Sciences and Exploration Directorate

Anand K Bhatia

(EMERITUS)

Anand K Bhatia's Contact Card & Information.
Email: anand.k.bhatia@nasa.gov
Phone: 301.286.8812
Org Code: 671
Address:
NASA/GSFC
Mail Code 671
Greenbelt, MD 20771
Employer: EMERITUS

Brief Bio


Dr. Anand K. Bhatia
Goddard-NASA, Greenbelt, MD 20771
Tel: 301-286-8812 (O), Fax: 301-286-7194
Email: anand.k.bhatia@nasa.gov

Positions/Employment


Assistant Professor

Physics Department - Wesleyan University

1962 - 1963



National Academy Research fellow

NASA - NASA

1963 - 1965



Atomic Physics, Astrophysicist

Heliophysics Science Division, Civil Service Position - NASA /Goddard Space Flight Center

1965 - 2008



Emeritus

Heliophysics Science Division - NASA /Goddard Space Flight Center

2008 - Present


Education


1953 - B.S. (Physics) Delhi University, India
1955 - M.S. (Physics) Delhi University, India
1963 - Ph.D. (Physics) University of Maryland, USA

Professional Service


    Major Scientific Contributions

  1. Develop techniques for scattering of electrons and positrons from atoms,
  2. Feshbach resonances,
  3. Photoionization of atoms,
  4. muonic physics,
  5. polarizabilities,
  6. Rydberg states,
  7. excitation of ions by electron and proton impact their applications to astrophysics,
  8. Photoionization,
  9. astrophysical and solar plasma diagnostics,
  10. Bowen mechanism,
  11. solar opacity,
  12. Lamb shift,
  13. atomic structure calculations,
  14. developed hybrid theory of electrons and positrons scattering and atoms, and applications to resonances and photo-absorptions
  15. Scattering of electrons from atoms in a laser field

Other Professional Information


PROFESSIONAL SPECIALTY:

           Atomic Physics, Astrophysicist

RESEARCH GUIDANCE:

          Dr. Arati Dasgupta (Ph.D. thesis), 1 Assistnat professor and 4 undergrad students for
          summer research.

PUBLICATIONS:

           Refereed Journals: 274, Proceedings: 15, Book Chapters: 5, Review Articles: 2

REFEREE:
  • Physical Review, J. Phys. B;
  • Canadian J. Phys;
  • Atomic Data Nucl. Data Tables;
  • European. J. Phys;
  • Astrophys. J;
  • ApJ Lett.;
  • Journal of Quant. Spectr. and Rad. Transfer;
  • Journal of Computational Science; Fusion Science and Technology
REVIEWER:

         Proposals of NASA, NSF, Goddard, Ohio Supercomputer Center, National Sciences and 
         Engineering Research Council of Canada.

External Examiner of Thesis:
  • A Study of Coulomb Characteristics of Negative Muons in Hydrogen by G. Das (1993)
  • Study of Some Laser-Assisted Collision Processes of Atomic and Ionic Targets by Charged Particle Impact by A. Chttopadhay (2006)
VISITING SCIENTIST:
  1. University College London, Cambridge University,
  2. Queens University of Belfast, Delhi University

SCIENTIFIC ORGANIZER:
        International Symposium on Atomic and Molecular Physics, Goddard-NASA, 2005

AFFILIATIONS:
  1. American Physical Society Member;
  2. American Astronomical Society (10 years)
  3. Life Member: Indian Society of Atomic and Molecular Physics

Awards


  1. Fellow of American Physical Society,
  2. Outstanding Referee of Physical Review,
  3. Honorary Plaque of S.C. Sirkar Memorial Lecture, IACS, India,
  4. NASA Performace awards (3 times)
  5. Merit Award, M.Sc. Delhi University

Publications


Refereed

2019. "Positron Interactions." AIP Conference Proceedings 2182 030006 [10.10-63/1.5135829] [Proceedings]

2015. "Photoejection with excitation in H^- and other systems." Physical Review A 91 012702 [10.1103/PhysRev.A91.012702] [Journal Article/Letter]

2013. "Hybrid theory of P-wave electron-Li+2 elastic scattering and photoabsorption in two-electron systems." Phys. Rev. A 87 042705 [10.1103/PhysRevA.87.042705] [Journal Article/Letter]

2012. "Atomic data and spectral lines of Ca IX." ATNDT 99 1 [Journal Article/Letter]

2012. "Free-free transitions in the presence of laser fields and Debye potential at very low incident electron energies." Journal of Physics Conference Series 388 112003 [10.1088/1742-6596/388/11/112003] [Journal Article/Letter]

2012. "Hybrid theory of P-wave electron-hydrogen elastic scattering." Physical Review A 85 052708 [10.1103/PhysRevA.85.052708] [Journal Article/Letter]

2012. "Atomic data and spectral line intensities for Ni XV." Atomic Data and Nuclear Data Tables 98 862-893 [10.1016/j.adt.2012.05.002] [Journal Article/Letter]

2012. "Application of P-wave hybrid theory to the scattering of electrons from He+ and resonances in He and H-." PhRvA 86 032709 [10.1103/PhysRevA.86.032709] [Journal Article/Letter]

2012. "Free-free transitions of the e-H system inside a dense plasma irradiated by a laser field at very low incident-electron energies." PhRvA 86 053421 [10.1103/PhysRevA.86.053421] [Journal Article/Letter]

2011. "Grain Size and Texture of Cu₂ZnSnS₄ Thin Films Synthesized by Cosputtering Binary Sulfides and Annealing: Effects of Processing Conditions and Sodium." Journal of Electronic Materials 40 (11): 2214-2221 [10.1007/s11664-011-1729-3] [Journal Article/Letter]

2011. "Atomic data and spectral line intensities for Ni XVII." Atomic Data and Nuclear Data Tables 97 189-224 [10.1016/j.adt.2010.07.001] [Journal Article/Letter]

2011. "Laser-assisted free-free transition in electron-atom collisions." Physical Review A 83 063417 [10.1103/PhysRevA.83.063417] [Journal Article/Letter]

2011. "Atomic data and spectral line intensities for Ni XI." Atomic Data and Nuclear Data Tables 97 50-108 [10.1016/j.adt.2010.09.001] [Journal Article/Letter]

2010. "Elastic Scattering and photon Absorption in Two-electron Systems." Narosa Publishing House (Edited by Man Mohan) 87 [Journal Article/Letter]

2010. "Atomic data and spectral line intensities for Ni XIV." Atomic Data and Nuclear Data Tables 96 52-84 [10.1016/j.adt.2009.09.002] [Journal Article/Letter]

2009. "Charges on strange quark nuggets in space." Physical Review D 79 023513 [10.1103/PhysRevD.79.023513] [Journal Article/Letter]

2009. "Atomic data and spectral line intensities for Ca XVII." Atomic Data and Nuclear Data Tables 95 155-183 [10.1016/j.adt.2008.10.003] [Journal Article/Letter]

2009. "Atomic data and spectral line intensities for Ni XXV." Atomic Data and Nuclear Data Tables 95 547-576 [10.1016/j.adt.2009.03.001] [Journal Article/Letter]

2009. "Hybrid theory for P-wave scattering." Journal of Physics Conference Series 194 042015 [10.1088/1742-6596/194/4/042015] [Journal Article/Letter]

2008. "Atomic data and spectral line intensities for S XIII." Atomic Data and Nuclear Data Tables 94 1-37 [10.1016/j.adt.2007.08.002] [Journal Article/Letter]

2008. "Atomic data and spectral line intensities for Ar XV." Atomic Data and Nuclear Data Tables 94 223-256 [10.1016/j.adt.2007.11.001] [Journal Article/Letter]

2008. "Applications of the hybrid theory to the scattering of electrons from He+ and Li2+ and resonances in these systems." Physical Review A 77 052707 [10.1103/PhysRevA.77.052707] [Journal Article/Letter]

2007. "Introduction to the contributions of A Temkin and R J Drachman to atomic Physics." NASA GSFC Science on Atomic and Molecular Physics (A K Bhatia - Editor) [Other]

2007. "Polarizabilities of the Ps negative ion." Physical Review A 75 062510 [10.1103/PhysRevA.75.062510] [Journal Article/Letter]

2007. "Atomic data and spectral line intensities for Mg IX." Atomic Data and Nuclear Data Tables 93 742-778 [10.1016/j.adt.2007.06.001] [Journal Article/Letter]

2007. "Atomic data and spectral line intensities for Mg VI." Atomic Data and Nuclear Data Tables 93 1-54 [10.1016/j.adt.2006.06.001] [Journal Article/Letter]

2007. "Atomic data and spectral line intensities for Si XI." Atomic Data and Nuclear Data Tables 93 275-353 [10.1016/j.adt.2006.06.002] [Journal Article/Letter]

2007. "Hybrid theory of electron-hydrogen elastic scattering." Physical Review A 75 032713 [10.1103/PhysRevA.75.032713] [Journal Article/Letter]

2006. "Electron- He+ P -wave elastic scattering and photoabsorption in two-electron systems." Physical Review A 73 012705 [10.1103/PhysRevA.73.012705] [Journal Article/Letter]

2006. "Atomic data and spectral line intensities for Ar XI." Atomic Data and Nuclear Data Tables 92 305-374 [10.1016/j.adt.2006.01.002] [Journal Article/Letter]

2006. "Atomic data and spectral line intensities for Mg V." Atomic Data and Nuclear Data Tables 92 105-175 [10.1016/j.adt.2005.09.002] [Journal Article/Letter]

2005. "Autoionization." Springer Handbook of Atomic - Molecular and Optical Physics 391 [Article in Book]

2005. "Atomic data and spectral line intensities for Ne III." Atomic Data and Nuclear Data Tables 89 195-265 [10.1016/j.adt.2005.02.003] [Journal Article/Letter]

2005. "Atomic data and spectral line intensities for Ca XIV." Atomic Data and Nuclear Data Tables 90 177-258 [10.1016/j.adt.2005.07.001] [Journal Article/Letter]

2005. "Atomic data and spectral line intensities for Ca XIII." Astronomy and Astrophysics 444 305-317 [10.1051/0004-6361:20053290] [Journal Article/Letter]

2005. "Atomic data and spectral line intensities for Ar XII." Atomic Data and Nuclear Data Tables 89 139-194 [10.1016/j.adt.2005.02.001] [Journal Article/Letter]

2004. "Electron-hydrogen P -wave elastic scattering." Physical Review A 69 032714 [10.1103/PhysRevA.69.032714] [Journal Article/Letter]

2004. "Phase-amplitude solution of the Schrödinger equation with application to free-free absorption." Physical Review E 69 035402 [10.1103/PhysRevE.69.035402] [Journal Article/Letter]

2003. "Atomic data and spectral line intensities for Si VIII." Atomic Data and Nuclear Data Tables 85 317-376 [10.1016/j.adt.2003.08.002] [Journal Article/Letter]

2003. "Atomic Data and Spectral Line Intensities for S XI." The Astrophysical Journal Supplement Series 149 251-263 [10.1086/378717] [Journal Article/Letter]

2003. "Temperature Measurements in the Solar Transition Region Using N III Line Intensity Ratios." The Astrophysical Journal 590 1121-1130 [10.1086/375185] [Journal Article/Letter]

2003. "Atomic Data and Spectral Line Intensities for S X." The Astrophysical Journal Supplement Series 147 409-419 [10.1086/375721] [Journal Article/Letter]

2003. "Atomic data and spectral line intensities for Fe XVII." Atomic Data and Nuclear Data Tables 85 1-45 [10.1016/S0092-640X(02)00018-9] [Journal Article/Letter]

2003. "Atomic data and spectral line intensities for S IX." Atomic Data and Nuclear Data Tables 85 169-253 [10.1016/S0092-640X(03)00057-3] [Journal Article/Letter]

2003. "Atomic data and spectral line intensities for Ne III." Atomic Data and Nuclear Data Tables 83 113-152 [10.1016/S0092-640X(03)00012-3] [Journal Article/Letter]

2003. "Atomic Data and Spectral Line Intensities for Si VII." The Astrophysical Journal 585 587-597 [10.1086/345930] [Journal Article/Letter]

2003. "The mass polarization effect in He-like ions: first and second order." Journal of Physics B Atomic Molecular Physics 36 1957-1962 [10.1088/0953-4075/36/10/306] [Journal Article/Letter]

2003. "Atomic Data and Emission-Line Intensities for Ca VII." The Astrophysical Journal 589 1075-1084 [10.1086/374686] [Journal Article/Letter]

2003. "Atomic data and spectral line intensities for Ni XXI." Atomic Data and Nuclear Data Tables 83 71-112 [10.1016/S0092-640X(03)00011-1] [Journal Article/Letter]

2002. "The Effect of High-lying Levels on Atomic Models Relevant to Spectroscopic Analyses of Solar Extreme-Ultraviolet Spectra." The Astrophysical Journal 574 504-512 [10.1086/340839] [Journal Article/Letter]

2002. "Atomic Data and Spectral Line Intensities for fe XI." Atomic Data and Nuclear Data Tables 82 211-255 [10.1006/adnd.2002.0885] [Journal Article/Letter]

2002. "Electron-He+ elastic scattering." Physical Review A 66 064702 [10.1103/PhysRevA.66.064702] [Journal Article/Letter]

2001. "Optically Thin and Thick Fe XV Spectrum: Effect of Self-Absorption on the 284.16 Å Resonance Line." The Astrophysical Journal 553 421-428 [10.1086/320649] [Journal Article/Letter]

2001. "Polarizabilities and other properties of the tdμ molecular ion." Canadian Journal of Physics 79 1149-1158 [10.1139/p01-075] [Journal Article/Letter]

2001. "Complex-correlation Kohn T-matrix method of calculating total and elastic cross sections: Electron-hydrogen elastic scattering." Physical Review A 64 032709 [10.1103/PhysRevA.64.032709] [Journal Article/Letter]

2001. "Resonance Scattering of Fe xvii X‐Ray and Extreme‐Ultraviolet Lines." The Astrophysical Journal 563 (1): 434-450 [10.1086/323688] [Journal Article/Letter]

2000. "Distorted Wave Calculations and Applications." Proceedings of Atomic Data Needs for X-ray Astronomy - (Ed by Bautista and Kallman and Pradhan) 41 [Proceedings]

2000. "Static properties and the Stark effect of the ground state of the HD molecular ion." Physical Review A 61 032503 [10.1103/PhysRevA.61.032503] [Journal Article/Letter]

2000. "Global and local Doppler-profile escape factors for plane-parallel geometry." Journal of Quantitative Spectroscopy and Radiative Transfer 67 55-63 [10.1016/S0022-4073(99)00193-4] [Journal Article/Letter]

2000. "Atomic Data and Spectral Line Intensities for Fe VIII." Atomic Data and Nuclear Data Tables 76 270-346 [10.1006/adnd.2000.0845] [Journal Article/Letter]

2000. "Emission-Line Intensity Ratios in F[CLC]e[/CLC] [CSC]xvii[/CSC] Observed with a Microcalorimeter on an Electron Beam Ion Trap." The Astrophysical Journal 545 (2): L161-L164 [10.1086/317876] [Journal Article/Letter]

1999. "Fe xvii Soft X‐Ray Lines: Theory and Data Comparisons." ApJ 510 (2): 1064-1077 [10.1086/306590] [Journal Article/Letter]

1999. "A correction factor for Gaussian deconvolution of optically thick linewidths in homogeneous sources." Monthly Notices of the Royal Astronomical Society 310 693-702 [10.1046/j.1365-8711.1999.02971.x] [Journal Article/Letter]

1999. "Atomic Data and Spectral Line Intensities for Ni XVI." Atomic Data and Nuclear Data Tables 71 69 [10.1006/adnd.1998.0800] [Journal Article/Letter]

1999. "Polarizability of the ground state of the hydrogen molecular ion." Physical Review A 59 205-208 [10.1103/PhysRevA.59.205] [Journal Article/Letter]

1999. "The Optically Thick Fe XVII Spectrum: X-Ray, Extreme-Ultraviolet, and Forbidden Line Ratios." The Astrophysical Journal 516 482-489 [10.1086/307085] [Journal Article/Letter]

1999. "Energy levels of triply ionized carbon (C IV): Polarization method." Physical Review A 60 2848-2852 [10.1103/PhysRevA.60.2848] [Journal Article/Letter]

1998. "Atomic Data: energy levels, transition rates, and collision strengths; An example of Mg VIII." International Conference on Atomic and Molecular Data and Their Applications 214 [Proceedings]

1998. "Optical depths and escape probabilities from observed line widths and intensities." Stellar Evolution - Stellar Explosions and Galactic Chemical Evolution - Proceedings of the 2nd Oak [Proceedings]

1998. "Relativistic corrections to the binding energy of Ps-." Nuclear Instruments and Methods in Physics Research B 143 195-198 [10.1016/S0168-583X(98)00114-1] [Journal Article/Letter]

1998. "Atomic Data and Spectral Line Intensities for Mg VIII." The Astrophysical Journal 497 483 [10.1086/305441] [Journal Article/Letter]

1998. "Optical properties of helium including relativistic corrections." Physical Review A 58 4470-4472 [10.1103/PhysRevA.58.4470] [Journal Article/Letter]

1998. "An intensity/linewidth analysis of opacity: first applications to a solar prominence and HeII line profiles." Monthly Notices of the Royal Astronomical Society 298 763-776 [10.1046/j.1365-8711.1998.01694.x] [Journal Article/Letter]

1998. "Opacity in the SI III Spectrum." Solar Physics 182 37-63 [10.1023/A:1005057808400] [Journal Article/Letter]

1998. "Local Doppler-profile escape factors within the cylinder." Journal of Quantitative Spectroscopy and Radiative Transfer 60 543-549 [10.1016/S0022-4073(97)00204-5] [Journal Article/Letter]

1998. "Properties of the ground state of the hydrogen molecular ion." Physical Review A 58 2787-2789 [10.1103/PhysRevA.58.2787] [Journal Article/Letter]

1998. "Calculations of doubly excited 1,3FO states in helium-like systems using Hylleraas functions." Journal of Physics B Atomic Molecular Physics 31 3307-3319 [10.1088/0953-4075/31/15/005] [Journal Article/Letter]

1998. "The spherically symmetric model of e–H scattering." Canadian Journal of Physics 76 (1): 23-30 [10.1139/p97-045] [Journal Article/Letter]

1998. "Extension of the Temkin-Poet model to L>0 partial waves: The generalized exchange approximation." Physical Review A 57 1091-1095 [10.1103/PhysRevA.57.1091] [Journal Article/Letter]

1998. "Another way to calculate the Lamb shift in two-electron systems." Physical Review A 57 4301-4305 [10.1103/PhysRevA.57.4301] [Journal Article/Letter]

1998. "Atomic Data and Spectral Line Intensities for Ni XIII." Atomic Data and Nuclear Data Tables 68 49 [10.1006/adnd.1997.0757] [Journal Article/Letter]

1998. "Atomic Data and Spectral Line Intensities for Mg VI." Atomic Data and Nuclear Data Tables 68 219 [10.1006/adnd.1997.0766] [Journal Article/Letter]

1997. "Doppler-profile escape factors and escape probabilities for the cylinder and hemisphere." Journal of Quantitative Spectroscopy and Radiative Transfer 58 347-354 [10.1016/S0022-4073(97)00033-2] [Journal Article/Letter]

1997. "Half-widths, escape probabilities and intensity factors of opacity-broadened Doppler- and Voigt-profile lines." Journal of Quantitative Spectroscopy and Radiative Transfer 58 217-231 [10.1016/S0022-4073(97)00019-8] [Journal Article/Letter]

1997. "Doubly-excited 1,3DO states in helium-like systems." Journal of Physics B Atomic Molecular Physics 30 3597-3609 [10.1088/0953-4075/30/16/002] [Journal Article/Letter]

1997. "The Neutral Nitrogen Spectrum: Term Populations, Multiplet Intensities, Diagnostic Diagrams, and Comparisons with Observations." The Astrophysical Journal Supplement Series 109 241 [10.1086/312974] [Journal Article/Letter]

1997. "Relativistic, retardation, and radiative corrections in Rydberg states of lithium." Physical Review A 55 1842-1845 [10.1103/PhysRevA.55.1842] [Journal Article/Letter]

1997. "FeXVII X-ray lines in solar coronal and laboratory plasmas." Astronomy and Astrophysics 324 381-394 [Journal Article/Letter]

1997. "Spectral Line Intensities for n = 3-3 EUV Transitions in Fe XV." Atomic Data and Nuclear Data Tables 66 119 [10.1006/adnd.1997.0743] [Journal Article/Letter]

1997. "Fe XVII X-ray lines in solar coronal plasmas." Advances in Space Research 20 (12): 2267-2270 [10.1016/S0273-1177(97)00897-1] [Journal Article/Letter]

1997. "Properties of two-electron systems in an electric field." Canadian Journal of Physics 75 11 [10.1139/p96-132] [Journal Article/Letter]

1997. "Atomic Data and Spectral Line Intensities for n = 3-3 and n = 3-4 X-ray Transitions in Fe XV." Atomic Data and Nuclear Data Tables 66 83 [10.1006/adnd.1997.0742] [Journal Article/Letter]

1996. "Active Region Electron Density and Dimensions from Fe [CSC]xvii[/CSC] X-Ray Lines." The Astrophysical Journal 469 (1): L57-L59 [10.1086/310258] [Journal Article/Letter]

1996. "Atomic Data and Spectral Line Intensities for Fe XI." Atomic Data and Nuclear Data Tables 64 183 [10.1006/adnd.1996.0021] [Journal Article/Letter]

1996. "The Bowen fluorescence lines: overview and re-analysis of the observations." Monthly Notices of the Royal Astronomical Society 279 1137-1156 [Journal Article/Letter]

1996. "High Coronal Electron Densities in a Solar Flare from Fe XXI and Fe XXII X-Ray Line Measurements." ApJL 466 549 [10.1086/177531] [Journal Article/Letter]

1995. "EUV line intensities in Fe X." Astrophysics in the Extreme Ultraviolet - Proceedings of Colloquium No 152 583 [Proceedings]

1995. "The Neutral Oxygen Spectrum III. Pumping by Hydrogen Lyman-ß under the Optically Thin Condition: A first Application to the Classical Novae." Apj 439 346 [Journal Article/Letter]

1995. "On the interpretation of oxygen line emission in comets and in SN 1987A." Monthly Notices of the Royal Astronomical Society 272 311-316 [Journal Article/Letter]

1995. "Rydberg levels of lithium." Physical Review A 51 2926-2930 [10.1103/PhysRevA.51.2926] [Journal Article/Letter]

1995. "Infrared Coronal Emission Lines and the Possibility of Their Laser Emission in Seyfert Nuclei: Erratum." The Astrophysical Journal Supplement Series 99 743 [10.1086/192205] [Journal Article/Letter]

1995. "Differential cross sections for the electron-impact excitation of hydrogenlike carbon." Physical Review A 52 2109-2119 [10.1103/PhysRevA.52.2109] [Journal Article/Letter]

1995. "The neutral oxygen spectrum. 1: Collisionally excited level populations and line intensities under optically thin conditions." The Astrophysical Journal Supplement Series 96 325-341 [10.1086/192121] [Journal Article/Letter]

1995. "Atomic Data and Spectral Line Intensities for Fe X." Atomic Data and Nuclear Data Tables 60 97 [10.1006/adnd.1995.1005] [Journal Article/Letter]

1995. "Atomic Data and Spectral Line Intensities for C-like Mg VII." Atomic Data and Nuclear Data Tables 60 145 [10.1006/adnd.1995.1006] [Journal Article/Letter]

1995. "The neutral oxygen spectrum. 2: Pumping by hydrogen Lyman-beta under the optically thin condition: A first application to the classical novae." The Astrophysical Journal 439 346-356 [10.1086/175178] [Journal Article/Letter]

1994. "3Do shape-resonant state of H- lying above the hydrogen N=3 threshold." Physical Review A 50 4886-4890 [10.1103/PhysRevA.50.4886] [Journal Article/Letter]

1994. "Interpretation of the relative line intensities in the autoionizing spectrum of Al III emitted from a Penning discharge." Journal of Physics B Atomic Molecular Physics 27 5871-5882 [10.1088/0953-4075/27/24/011] [Journal Article/Letter]

1994. "Explicit Relations in Bowen Fluorescence: Applications to Nebulae, the Sun, Scorpius X-1, and Laboratory Plasmas: Erratum." The Astrophysical Journal 433 895 [10.1086/174698] [Journal Article/Letter]

1994. "Electron-impact collision strengths for neutral fluorine." Physical Review A 50 2981-2988 [10.1103/PhysRevA.50.2981] [Journal Article/Letter]

1994. "Electron Impact Excitation of Fluorine-Like Ions." Atomic Data and Nuclear Data Tables 57 253-272 [10.1006/adnd.1994.1017] [Journal Article/Letter]

1994. "The Fe XIV spectrum: Predicted line intensities and solar identifications." The Astrophysical Journal 427 497-510 [10.1086/174160] [Journal Article/Letter]

1994. "Collision strengths for the electron impact excitation of Ca XIII." Journal of Physics B Atomic Molecular Physics 27 4281-4294 [10.1088/0953-4075/27/18/023] [Journal Article/Letter]

1994. "1,3Do resonant states in Ps-." Physical Review A 50 2155-2160 [10.1103/PhysRevA.50.2155] [Journal Article/Letter]

1994. "Polarizability of helium and the negative hydrogen ion." Journal of Physics B Atomic Molecular Physics 27 1299-1305 [10.1088/0953-4075/27/7/005] [Journal Article/Letter]

1994. "The allowed lines of O IV near 1340 A in high electron density solar flares." The Astrophysical Journal 425 861-864 [10.1086/174032] [Journal Article/Letter]

1993. "Doubly Excited 1,3Pe States in Helium-like Systems." Phys Rev A 47 2628 [Journal Article/Letter]

1993. "Oscillator strengths for the transitions in Ca xiiiv." Physical Review A 48 250-257 [10.1103/PhysRevA.48.250] [Journal Article/Letter]

1993. "The Optically Thick C III Spectrum. I. Term Populations and Multiplet Intensities at Lower Optical Depths: Erratum." The Astrophysical Journal 417 826 [10.1086/173363] [Journal Article/Letter]

1993. "The optically thick C III spectrum. 2: Level/term populations and line/multiplet intensities using an improved hybrid model." The Astrophysical Journal Supplement Series 89 227-257 [10.1086/191846] [Journal Article/Letter]

1993. "Doubly excited shape resonances in H-." Physical Review A 48 3720-3724 [10.1103/PhysRevA.48.3720] [Journal Article/Letter]

1993. "Infrared coronal emission lines and the possibility of their laser emission in Seyfert nuclei." The Astrophysical Journal Supplement Series 88 23-48 [10.1086/191813] [Journal Article/Letter]

1993. "Atomic Data and Spectral Line Intensities for C-Like Si IX." Atomic Data and Nuclear Data Tables 55 281-314 [10.1006/adnd.1993.1023] [Journal Article/Letter]

1993. "Atomic Data and Spectral Line Intensities for C-like Ne V." Atomic Data and Nuclear Data Tables 55 315-348 [10.1006/adnd.1993.1024] [Journal Article/Letter]

1993. "Doubly excited 1,3Pe states in heliumlike systems." Physical Review A 47 2628-2633 [10.1103/PhysRevA.47.2628] [Journal Article/Letter]

1993. "Collision Strengths and Transition Rates for O III." Atomic Data and Nuclear Data Tables 54 133-164 [10.1006/adnd.1993.1011] [Journal Article/Letter]

1993. "The optically thin C III spectrum - Line and multiplet intensities." The Astrophysical Journal 408 744-752 [10.1086/172634] [Journal Article/Letter]

1993. "Atomic data for a five-configuration model of Fe XIV." Journal of Quantitative Spectroscopy and Radiative Transfer 49 609-625 [10.1016/0022-4073(93)90005-3] [Journal Article/Letter]

1993. "Complex-coordinate calculations of doubly excited 1,3De resonant states of Ps-." Physical Review A 48 264-267 [10.1103/PhysRevA.48.264] [Journal Article/Letter]

1993. "P-wave shape resonances in positronium ions." Physical Review A 47 1497-1499 [10.1103/PhysRevA.47.1497] [Journal Article/Letter]

1993. "Atomic Data and Spectral Line Intensities for C-like Ca XV." Atomic Data and Nuclear Data Tables 53 195-232 [10.1006/adnd.1993.1005] [Journal Article/Letter]

1993. "Ab initio method for calculating total cross sections." Physical Review Letters 70 1936-1939 [10.1103/PhysRevLett.70.1936] [Journal Article/Letter]

1993. "C III spectra in WC Wolf-Rayet stars - Does collisional excitation dominate?." The Astrophysical Journal 406 708-713 [10.1086/172481] [Journal Article/Letter]

1992. "Doubly excited 3P(e) resonant states in Ps(-)." Physical Review A 45 6268-6271 [10.1103/PhysRevA.45.6268] [Journal Article/Letter]

1992. "Polarizabilities of two-electron positive ions and Rydberg levels of lithium." Physical Review A 45 7752-7755 [10.1103/PhysRevA.45.7752] [Journal Article/Letter]

1992. "On the calculation of atomic term populations." The Astrophysical Journal 398 698-705 [10.1086/171894] [Journal Article/Letter]

1992. "Photon escape probabilities from resolved sources - Application to solar C III limb emission." The Astrophysical Journal 401 416-431 [10.1086/172073] [Journal Article/Letter]

1992. "The optically thick C III spectrum. I - Term populations and multiplet intensities at lower optical depths." The Astrophysical Journal Supplement Series 79 139-156 [10.1086/191648] [Journal Article/Letter]

1992. "Atomic Data and Spectral Line Intensities for Ne-like Fe XVII." Atomic Data and Nuclear Data Tables 52 1 [10.1016/0092-640X(92)90007-5] [Journal Article/Letter]

1992. "Importance of parametrizing constraints in quantum-mechanical variational calculations." Physical Review A 45 (3): 1449-1453 [10.1103/PhysRevA.45.1449] [Journal Article/Letter]

1991. "Line ratios in Ti XIX in the JIPT-IT-U Tokamak Plasma." Atomic Processes In Plasmas, Am. Phys. Soc. , 8th Topical Conf. P-20 [Proceedings]

1991. "Intensities of the neonlike iron (Fe16+) 2p(5)3s-2p(5)3p and 2p(5)3p-2p(5)3d transitions in solar-flare spectra." Physical Review A 43 2565-2568 [10.1103/PhysRevA.43.2565] [Journal Article/Letter]

1991. "1,3P(0) resonance states in positronium ions." Physical Review A 44 2890-2894 [10.1103/PhysRevA.44.2890] [Journal Article/Letter]

1991. "Complex-coordinate calculation of D-(1,3) resonances in two-electron systems." Physical Review A 44 2895-2899 [10.1103/PhysRevA.44.2895] [Journal Article/Letter]

1991. "N III line emission in planetary nebulae - Not Bowen fluorescence." The Astrophysical Journal 381 L59-L62 [10.1086/186196] [Journal Article/Letter]

1991. "Relative populations of excited levels within the ground configuration of Si-like Cu, Zn, Ge and Se ions." Physical Review A 43 1110-1113 [10.1103/PhysRevA.43.1110] [Journal Article/Letter]

1991. "Resonances in muonic systems." Physical Review A 6 439 [Journal Article/Letter]

1990. "Search for resonances in positron-atom systemsv." Physical Review A 42 5117-5120 [10.1103/PhysRevA.42.5117] [Journal Article/Letter]

1990. "Two-photon transitions in hydrogen - A test of pseudostate summation." Physical Review A 42 6333-6335 [10.1103/PhysRevA.42.6333] [Journal Article/Letter]

1990. "Complex-coordinate calculation of (1,3)P resonances in Ps(-) using Hylleraas functions." Physical Review A 42 1119-1122 [10.1103/PhysRevA.42.1119] [Journal Article/Letter]

1990. "Explicit relations in Bowen fluorescence - Applications to nebulae, the sun, Scorpius X-1, and laboratory plasmas." The Astrophysical Journal 362 745-757 [10.1086/169312] [Journal Article/Letter]

1990. "Three-body resonances in tαμ and dαμ." Physical Review A 42 5769-5772 [10.1103/PhysRevA.42.5769] [Journal Article/Letter]

1990. "An extreme ultraviolet spectroscopic diagnostic for fluctuations of electron density and temperature in tokamak plasmas." J. Appl. Phys. 68 (11): 5511-5518 [10.1063/1.347010] [Journal Article/Letter]

1990. "Can a Penning ionization discharge simulate the tokamak scrape-off plasma conditions?." Physica Scripta 41 502-505 [10.1088/0031-8949/41/4/028] [Journal Article/Letter]

1990. "The oxygen emission lines in Wolf-Rayet spectra." The Astrophysical Journal 358 240-250 [10.1086/168979] [Journal Article/Letter]

1990. "Solar coronal Ar/Fe and Ne/Mg abundance ratios derived from ultraviolet forbidden line spectra." The Astrophysical Journal 358 338-343 [10.1086/168990] [Journal Article/Letter]

1990. "The Fe XI-excited fluorescent cascade in NE IV." The Astrophysical Journal 352 772-779 [10.1086/168581] [Journal Article/Letter]

1990. "The measurement of vacuum-UV line intensities for neon-like ions generated in a &thetas;-pinch device." Physica Scripta 41 440-444 [10.1088/0031-8949/41/4/013] [Journal Article/Letter]

1989. "Search for Resonances in Positron- Atom Systems." Annihilation in Gases and Galaxies - edited by R J Drachman (NASA publication) Resonances in Muonic Systems [Proceedings]

1989. "Deexcitation of Muonic Molecules by Internal Conversion." Proceeding AIP Conference on Muon- Catalyzed Fusion 303 [Proceedings]

1989. "Resonances in Muonic Systems." Proceeding of Rutherford (Appelton Laboratory) - edited by J Davies [Proceedings]

1989. "Muon-Catalyzed Fusion: A Possible Source of Energy?." Comments on At and Mole Phys 22 281 [Journal Article/Letter]

1989. "A comparison of theoretical and solar-flare intensity ratios for the Fe XIX X-ray lines." Monthly Notices of the Royal Astronomical Society 240 421-444 [] [Journal Article/Letter]

1989. "Neonlike Ar and Cl 3p-3s emission from a theta-pinch plasma." Physical Review A 40 4142-4144 [10.1103/PhysRevA.40.4142] [Journal Article/Letter]

1989. "The optically thick O III spectrum. I - Diagnostic ratios involving the intercombination lines." The Astrophysical Journal Supplement Series 71 665-675 [10.1086/191392] [Journal Article/Letter]

1989. "On the populating mechanisms of the autoionising states of Al III ions produced in a Penning ionisation discharge." Journal of Physics B Atomic Molecular Physics 22 L115-L120 [10.1088/0953-4075/22/6/003] [Journal Article/Letter]

1989. "Anomalously high intercombination line ratios in symbiotic stars - Extreme Bowen pumping?." Monthly Notices of the Royal Astronomical Society 237 487-493 [] [Journal Article/Letter]

1989. "Laser gain on 3p-3d and 3s-3p transitions and X-ray line ratios for the nitrogen isoelectronic sequence." Journal of Applied Physics 66 2248-2252 [10.1063/1.344279] [Journal Article/Letter]

1989. "Atomic Data and Spectral Line Intensities for the Nitrogen Isoelectronic Sequence (Ar XII through Kr XXX)." Atomic Data and Nuclear Data Tables 43 99 [10.1016/0092-640X(89)90016-8] [Journal Article/Letter]

1988. "Collision Strengths for Selenium XXV." Proceedings of Atomic Data Workshop (St Catherine's College - Oxford) 145 [Proceedings]

1988. "Multilevel calculation of the NE IV solar spectrumv." The Astrophysical Journal 332 1063-1075 [10.1086/166713] [Journal Article/Letter]

1988. "Deexcitation of muonic molecules by internal conversion." Physical Review A 38 3400-3404 [10.1103/PhysRevA.38.3400] [Journal Article/Letter]

1988. "Discrete fluorescent saturation regimes in multilevel systems." Physical Review A 37 1003-1006 [10.1103/PhysRevA.37.1003] [Journal Article/Letter]

1988. "Further study of a new dispersion relation for electron-atom scattering." Physical Review A 37 1415-1424 [10.1103/PhysRevA.37.1415] [Journal Article/Letter]

1988. "Carbon and nitrogen lines in the spectra of Wolf-Rayet stars." The Astrophysical Journal Supplement Series 67 187-223 [10.1086/191271] [Journal Article/Letter]

1988. "Polarization asymmetry in two-electron photodetachment - A cogent test of the ionization threshold law." Physical Review A 38 494-496 [10.1103/PhysRevA.38.494] [Journal Article/Letter]

1988. "Spatial probing of nebular properties via Bowen pumping." The Astrophysical Journal 331 826-831 [10.1086/166602] [Journal Article/Letter]

1987. "Laboratory study of the spectrum of highly ionized calcium in the 100-250 A range applied to solar flare diagnostics." The Astrophysical Journal 316 819-825 [10.1086/165245] [Journal Article/Letter]

1987. "Three-body Coulomb bound state." Physical Review A 35 4051-4054 [10.1103/PhysRevA.35.4051] [Journal Article/Letter]

1987. "Atomic parameters for carbon-like S XI." Journal of Quantitative Spectroscopy and Radiative Transfer 37 527-529 [10.1016/0022-4073(87)90055-0] [Journal Article/Letter]

1987. "Measurement of the He II radiation field in planetary nebulae through Bowen fluorescence." Physica Scripta 35 778 [10.1088/0031-8949/35/6/003] [Journal Article/Letter]

1987. "Experimental determination of line-intensity ratios of transitions within the n=2 complex of Be i–like ions (Cl xiv to Cr xxi)." Physical Review A 35 (7): 2919-2927 [10.1103/PhysRevA.35.2919] [Journal Article/Letter]

1987. "A comparison of the C III, O V, F VI, and NE VII Delta N = 0 (2-2) line emissions from a laboratory plasma with theoretical predictions and astrophysical observations." The Astrophysical Journal 313 920-927 [10.1086/165032] [Journal Article/Letter]

1987. "Atomic Data and Spectral Line Intensities for the Carbon Isoelectronic Sequence (Ar XIII through Kr XXXI)." Atomic Data and Nuclear Data Tables 36 453 [10.1016/0092-640X(87)90012-X] [Journal Article/Letter]

1986. "PAR; Photo-excitation by Accidental Resonance." Comments on Atomic and Molecular Physics 8 39 [Journal Article/Letter]

1986. "Projection-operator calculations of the lowest e(-)-He resonance." Physical Review A 34 4591-4597 [10.1103/PhysRevA.34.4591] [Journal Article/Letter]

1986. "3s-3p laser gain and X-ray line ratios for the carbon isoelectronic sequence." Journal of Applied Physics 59 3953-3957 [10.1063/1.336695] [Journal Article/Letter]

1986. "The extreme-ultraviolet spectrum (300-630 A) of an erupting prominence observed from SKYLAB." The Astrophysical Journal 308 982-992 [10.1086/164566] [Journal Article/Letter]

1986. "Electron collisional excitation and resonant photoexcitation of solar S XI." The Astrophysical Journal 309 883-891 [10.1086/164657] [Journal Article/Letter]

1986. "A new dispersion relation for electron-atom scattering." Journal of Physics B Atomic Molecular Physics 19 L701-L706 [10.1088/0022-3700/19/19/011] [Journal Article/Letter]

1986. "Further atomic calculations for Fe XXIII." Astronomy and Astrophysics 155 413-416 [] [Journal Article/Letter]

1986. "Theoretical intensity ratios for the X-ray lines from CA XV." Astronomy and Astrophysics 155 417-419 [] [Journal Article/Letter]

1986. "PAR: photoexcitation by accidental resonance." Comments on Atomic and Molecular Physics 18 39-45 [Journal Article/Letter]

1986. "The statistical equilibrium of hydrogen and helium in a radiation field, with an application to interpreting Wolf-Rayet spectra." The Astrophysical Journal Supplement Series 60 323-356 [10.1086/191089] [Journal Article/Letter]

1986. "Atomic Data and Spectral Line Intensities for the Boron Isoelectronic Sequence (Ar XIV through Kr XXXII)." Atomic Data and Nuclear Data Tables 35 319 [10.1016/0092-640X(86)90025-2] [Journal Article/Letter]

1986. "Atomic Data and Spectral Line Intensities for the Beryllium Isoelectronic Sequence (Ar XV through Kr XXXIII)." Atomic Data and Nuclear Data Tables 35 449 [10.1016/0092-640X(86)90017-3] [Journal Article/Letter]

1985. "A photodetachment of the positronium negative ion." Proceedings of the Third International Workshop on Positron (Electron)-Gas Scattering 310 [Proceedings]

1985. "Theory and Calculation of Resonances and Autoionization of Two-electron Atoms and Ions." Autoionization - Recent Development and Applications (ed A Temkin) 1 [Book]

1985. "Projection and Quasi-projection Operators or Electron Impact Resonances on Many-electron Atomic Targets." Autoionization - Recent Development and Applications (ed A Temkin) 35 [Book]

1985. "Effective Collision Strengths for Transitions in Ca XVII and Fe XXIII." Atomic Data Workshop 72 [Journal Article/Letter]

1985. "Effective Collision Strengths for Neon-like Ions." Atomic Data Workshop 103 [Journal Article/Letter]

1985. "Scattering of electrons from argon atoms." Physical Review A 32 3335-3343 [10.1103/PhysRevA.32.3335] [Journal Article/Letter]

1985. "Photodetachment of the positronium negative ion." Physical Review A 32 3745-3747 [10.1103/PhysRevA.32.3745] [Journal Article/Letter]

1985. "Relative intensities of 2s22pk-2s2pk + 1 transitions in F i- to B i-like Ti, Cr, Fe, Ni, and Ge in a tokamak plasma: A comparison of experiment and theory." Physical Review A 31 2534-2547 [10.1103/PhysRevA.31.2534] [Journal Article/Letter]

1985. "Short wavelength laser calculations for electron pumping in Be I and B I isoelectronic sequences (Z greater than or equal to 18 and less than or equal to 36)." Journal of Applied Physics 58 2909-2915 [10.1063/1.335838] [Journal Article/Letter]

1985. "Density sensitive X-ray line ratios in the Be I, B I, and Ne I isoelectronic sequences." Journal of Applied Physics 58 3954-3958 [10.1063/1.335569] [Journal Article/Letter]

1985. "Atomic Data and Spectral Line Intensities for the Neon Isoelectronic Sequence (Si V through Kr XXVII)." Atomic Data and Nuclear Data Tables 32 435 [10.1016/0092-640X(85)90020-8] [Journal Article/Letter]

1985. "Photoionization of sodium atoms and electron scattering from ionized sodium." Physical Review A 31 759-771 [10.1103/PhysRevA.31.759] [Journal Article/Letter]

1985. "Construction of resonance projection operators: Application to two-electron targets." Physical Review A 31 1259-1266 [10.1103/PhysRevA.31.1259] [Journal Article/Letter]

1985. "Expected intensities of solar neon-like ions." Solar Physics 96 11-26 [10.1007/BF00239791] [Journal Article/Letter]

1985. "Spectral Line Intensities for the O I, N I, C I, B I, and Be I Isoelectronic Sequences, Z = 26-36." Atomic Data and Nuclear Data Tables 32 305 [10.1016/0092-640X(85)90008-7] [Journal Article/Letter]

1984. "Scaling of collisionally pumped 3s-3p lasers in the neon isoelectronic sequence." Journal of Applied Physics 56 2475-2478 [10.1063/1.334308] [Journal Article/Letter]

1984. "On Bowen enhancement of the N III spectrum under solar and nebular conditions." The Astrophysical Journal 287 945-951 [10.1086/162751] [Journal Article/Letter]

1984. "Diagnostic application of highly ionized iron lines in the XUV spectrum of a solar flare." Solar Physics 92 199-216 [10.1007/BF00157246] [Journal Article/Letter]

1984. "Wavelength coincidence of allowed and intercombination multiplets in N III and O IV - A density and/or temperature diagnostic." Journal of Quantitative Spectroscopy and Radiative Transfer 32 249-251 [10.1016/0022-4073(84)90021-9] [Journal Article/Letter]

1984. "Scattering of electrons from neon atoms." Physical Review A 30 1241-1246 [10.1103/PhysRevA.30.1241] [Journal Article/Letter]

1984. "Variational calculations of muonic-molecule energy levels." Physical Review A 30 2138-2140 [10.1103/PhysRevA.30.2138] [Journal Article/Letter]

1984. "Line-shape parameters for 1P Feshbach resonances in He and Li+." Physical Review A 29 1895-1900 [10.1103/PhysRevA.29.1895] [Journal Article/Letter]

1983. "Short wavelength laser calculations for electron pumping in neon-like krypton (Kr XXVII)." Journal of Applied Physics 54 2188-2197 [10.1063/1.332371] [Journal Article/Letter]

1983. "The solar O III spectrum. II - Longer wavelengths, line widths, and the He II Lyman alpha radiation field." The Astrophysical Journal Supplement Series 53 129-145 [10.1086/190887] [Journal Article/Letter]

1983. "New calculation of the properties of the positronium ion." Physical Review A 28 2523-2525 [10.1103/PhysRevA.28.2523] [Journal Article/Letter]

1983. "Atomic calculations for CA XVII - UV and X-ray lines." Astronomy and Astrophysics Supplement Series 52 115-124 [Journal Article/Letter]

1983. "Atomic calculations for the Fe XX X-ray lines." Astronomy and Astrophysics Supplement Series 52 181-192 [Journal Article/Letter]

1983. "On the observability of forbidden lines." Journal of Quantitative Spectroscopy and Radiative Transfer 29 369-374 [10.1016/0022-4073(83)90055-9] [Journal Article/Letter]

1982. "Spectroscopy and atomic physics of highly ionized krypton for tokamak plasmas." Journal of Applied Physics 53 4711-4725 [10.1063/1.331299] [Journal Article/Letter]

1982. "Forbidden line emission from highly ionized atoms in tokamak plasmas." Journal of Applied Physics 53 8554-8561 [10.1063/1.330501] [Journal Article/Letter]

1982. "Atomic data and level populations of highly ionized manganese." Journal of Applied Physics 53 59-73 [10.1063/1.329964] [Journal Article/Letter]

1982. "The solar O III spectrum. I - Photoexcitation of EUV lines by He II Lyman-alpha." The Astrophysical Journal 257 887-895 [10.1086/160038] [Journal Article/Letter]

1981. "Erratum: Lowest inelastic He- autodetachment state (2Po) is a Feshbach resonance." Physical Review A 24 1162 [10.1103/PhysRevA.24.1162.3] [Journal Article/Letter]

1981. "Atomic calculation for Fe XXIII, UV, and X-ray lines." Astronomy and Astrophysics 103 324-330 [Journal Article/Letter]

1981. "Solar observations and atomic data for the 3s2 1s0-3s3p 3P1 transition in S V." The Astrophysical Journal 250 799-804 [10.1086/159431] [Journal Article/Letter]

1981. "Erratum: Parity-violating electric-dipole transitions in helium." Physical Review A 23 387 [10.1103/PhysRevA.23.387] [Journal Article/Letter]

1981. "The molybdenum spectrum emitted by a tokamak plasma in the 300-500 Å range." Physics Letters A 82 (3): 123-126 [10.1016/0375-9601(81)90928-2] [Journal Article/Letter]

1981. "Lowest inelastic He- autodetachment state (2P) in a Feshbach resonance." Physical Review A 23 3361-3364 [10.1103/PhysRevA.23.3361] [Journal Article/Letter]

1980. "Use of generalized population ratios to obtain Fe XV line intensities and linewidths at high electron densities." Physical Review A 22 560-566 [10.1103/PhysRevA.22.560] [Journal Article/Letter]

1980. "Quasi-projection-operator calculation of autoionization states of O5/+/ /O VI/ and Si11/+/ /Si XII/." Physical Review A 22 1395-1402 [10.1103/PhysRevA.22.1395] [Journal Article/Letter]

1980. "Photodetachment and Radiative Attachment Involving the 2PE3PE State of H-." The Astrophysical Journal 242 1278 [10.1086/158558] [Journal Article/Letter]

1980. "Atomic data for S IV and solar observations of the 3x/2/3p /2/P-3s3p/2/ /4/P multiplet." Astronomy and Astrophysics 86 32-35 [Journal Article/Letter]

1980. "Level structure and predicted intercombination lines in magnesium-like V, Cr, Mn, and Co: Errata." Journal of the Optical Society of America (1917-1983) 70 893 [Journal Article/Letter]

1980. "New approach to hyperfine structure - Application to the Li ground state." Journal of Physics B Atomic Molecular Physics 13 L409-L413 [10.1088/0022-3700/13/13/002] [Journal Article/Letter]

1980. "Atomic parameters for Fe/XV/ and Ni/XVII/." Journal of Quantitative Spectroscopy and Radiative Transfer 24 53-57 [10.1016/0022-4073(80)90041-2] [Journal Article/Letter]

1980. "Electron-impact excitation of Li II in the distorted-wave approximation." Physical Review A 22 132-137 [10.1103/PhysRevA.22.132] [Journal Article/Letter]

1980. "Atomic data and level populations of highly ionized Ti for tokamak plasmas." Journal of Applied Physics 51 1464-1480 [10.1063/1.327793] [Journal Article/Letter]

1980. "Theoretical atomic structure and electron scattering data for ions in the nitrogen isoelectronic sequence - MG VI, SI VIII, S X, A XII and CA XIV." Monthly Notices of the Royal Astronomical Society 190 925-929 [Journal Article/Letter]

1980. "Parity-violating electric-dipole transitions in helium." Physical Review A 21 1082-1092 [10.1103/PhysRevA.21.1082] [Journal Article/Letter]

1980. "Spectroscopy and atomic physics of highly ionized Cr, Fe, and Ni for tokamak plasmas." Journal of Applied Physics 51 190-201 [10.1063/1.327399] [Journal Article/Letter]

1980. "Quasi-projection-operator calculation of inelastic resonances in He/-/ and Li." Physical Review A 21 496-505 [10.1103/PhysRevA.21.496] [Journal Article/Letter]

1980. "The coronal spectra of Fe XV and NI XVII." Solar Physics 65 181-196 [10.1007/BF00151392] [Journal Article/Letter]

1980. "New atomic data for Fe/+19/." Astronomy and Astrophysics 83 380-382 [Journal Article/Letter]

1979. "XUV electron density diagnostics for solar flares." The Astrophysical Journal Supplement Series 40 341-364 [10.1086/190590] [Journal Article/Letter]

1979. "New atomic data of O/2+/." Astronomy and Astrophysics 76 359-361 [Journal Article/Letter]

1979. "New atomic data for Si/6+/, S/8+/ and Ar/10+/." Astronomy and Astrophysics 80 22-26 [Journal Article/Letter]

1979. "Approximations for proton excitation - Erratum and extension." Astronomy and Astrophysics 71 211-213 [Journal Article/Letter]

1979. "Calculation of resonant effects in electron-impact excitation of positive ions Application to oxygen VII." Physical Review A 19 72-80 [10.1103/PhysRevA.19.72] [Journal Article/Letter]

1979. "Fe XXI as an electron density diagnostic in solar flares." Astronomy and Astrophysics 73 74-81 [Journal Article/Letter]

1979. "Level structure and predicted intercombination lines in magnesium-like V XII, Cr XIII, Mn XIV, and Co XVI." Journal of the Optical Society of America (1917-1983) 69 1391-1393 [Journal Article/Letter]

1978. "Electron densities in the solar corona from density-sensitive line ratios in the N I isoelectronic sequence." The Astrophysical Journal 226 674-678 [10.1086/156649] [Journal Article/Letter]

1978. "Densities in the quiet sun and polar coronal holes from EUV line ratios involving O III /1666.15 A/." The Astrophysical Journal 226 1129-1134 [10.1086/156689] [Journal Article/Letter]

1978. "Autoionization states of Li, Be+, B2+, and C3+." Physical Review A 18 2523-2526 [10.1103/PhysRevA.18.2523] [Journal Article/Letter]

1978. "Inelastic-resonance quasiprojection operators." Physical Review A 18 792-796 [10.1103/PhysRevA.18.792] [Journal Article/Letter]

1978. "Observations of = 3 -> n` = 4 transitions in the Mg I and Si I sequences for elements chromium through zinc." Journal of the Optical Society of America (1917-1983) 68 1558 [Journal Article/Letter]

1978. "Modification of the method of polarized orbitals for electron-alkali-metal scattering: Application to e-Li." Physical Review A 18 1935-1948 [10.1103/PhysRevA.18.1935] [Journal Article/Letter]

1978. "Theoretical intensity ratios for the UV lines of MG VII, SI IX and S XI." Monthly Notices of the Royal Astronomical Society 184 423-437 [Journal Article/Letter]

1977. "Prediction and identification of some transitions associated with 2p/k/ and 2p/k-1/3l configurations in six-, seven- and eight-electron ions." Physica Scripta 15 259-267 [10.1088/0031-8949/15/4/006] [Journal Article/Letter]

1977. "A distorted-wave methodology for electron-ion impact excitation - Calculation for two-electron ions." Journal of Physics B Atomic Molecular Physics 10 2893-2912 [10.1088/0022-3700/10/14/022] [Journal Article/Letter]

1977. "Annihilation during positron-hydrogen collisions: Addendum and erratum." Physical Review A 16 1719-1722 [10.1103/PhysRevA.16.1719] [Journal Article/Letter]

1977. "Electron-impact excitation of carbon and silicon in the distorted-wave approximation." Physical Review A 15 35-42 [10.1103/PhysRevA.15.35] [Journal Article/Letter]

1977. "Autoionization and quasibound states of Li+." Physical Review A 15 1315-1318 [10.1103/PhysRevA.15.1315] [Journal Article/Letter]

1977. "Precision calculation of the lowest 1S resonance in e-H scattering." Physical Review A 15 1423-1429 [10.1103/PhysRevA.15.1423] [Journal Article/Letter]

1976. "Quasi-projection-operator calculation of autoionization states of Li." Physical Review A 13 2322-2324 [10.1103/PhysRevA.13.2322] [Journal Article/Letter]

1975. "Calculation of autoionization of He and H/-/ using the projection-operator formalism." Physical Review A 11 2018-2024 [10.1103/PhysRevA.11.2018] [Journal Article/Letter]

1975. "Continuous ultraviolet absorption into double-excited states of H/-/." The Astrophysical Journal 200 239-243 [10.1086/153782] [Journal Article/Letter]

1975. "Photoionization of lithium." Physical Review A 12 2044-2051 [10.1103/PhysRevA.12.2044] [Journal Article/Letter]

1974. "Radiative Transitions Involving the (2p2) 3Pe Metastable Auto-Detaching State of H-." The Astrophysical Journal 191 785-788 [10.1086/153024] [Journal Article/Letter]

1974. "Addendum to 'Autoionization states in He and H- by the stabilization method'." Physical Review A 10 729-730 [10.1103/PhysRevA.10.729] [Journal Article/Letter]

1974. "Rigorous precision p -wave positron-hydrogen scattering calculation." Physical Review A 9 219-222 [10.1103/PhysRevA.9.219] [Journal Article/Letter]

1974. "Annihilation during positron-hydrogen collisions." Physical Review A 9 223-225 [10.1103/PhysRevA.9.223] [Journal Article/Letter]

1974. "Erratum: Semiprecision calculations of electron-hydrogen resonance." Physical Review A 10 458-458 [10.1103/PhysRevA.10.458.2] [Journal Article/Letter]

1974. "Erratum: Calculation of 1P(2s2p)) autoionization states of He with a pseudostate nonresonant continuum." Physical Review A 10 459-459 [10.1103/PhysRevA.10.459] [Journal Article/Letter]

1974. "Autoionization states in He and H- by the stabilization method." Physical Review A 9 9-11 [10.1103/PhysRevA.9.9] [Journal Article/Letter]

1973. "Calculation of the 1P(2s 2p) Autoionization State of He with a Pseudostate Nonresonant Continuum." Physical Review A 8 21-26 [10.1103/PhysRevA.8.21] [Journal Article/Letter]

1973. "Semiprecision Calculations of Electron-Hydrogen Resonances." Physical Review A 8 2184-2186 [10.1103/PhysRevA.8.2184] [Journal Article/Letter]

1973. "The effect of interactions on the saturation remanence of particulate assemblies." IEEE Transactions on Magnetics 9 127-133 [10.1109/TMAG.1973.1067574] [Journal Article/Letter]

1973. "S-Matrix Method for the Numerical Determination of Bound States." Physical Review A 7 523-525 [10.1103/PhysRevA.7.523] [Journal Article/Letter]

1972. "Electron Detachment of H- by e- Collision." Physical Review A 5 2144-2151 [10.1103/PhysRevA.5.2144] [Journal Article/Letter]

1972. "D Autoionization States of He and H-." Physical Review A 6 120-124 [10.1103/PhysRevA.6.120] [Journal Article/Letter]

1972. "P Autoionization States of He and H-." Physical Review A 6 526-526 [10.1103/PhysRevA.6.526] [Journal Article/Letter]

1972. "Odd-Parity D States in He." Physical Review A 6 2498-2500 [10.1103/PhysRevA.6.2498] [Journal Article/Letter]

1972. "Resonance Quasi-Projection Operators: Calculation of the 2S Autoionization State of He-." Physical Review A 5 1663-1671 [10.1103/PhysRevA.5.1663] [Journal Article/Letter]

1971. "Generalized Hylleraas Calculation of Positron-Hydrogen Scattering." Physical Review A 3 1328-1335 [10.1103/PhysRevA.3.1328] [Journal Article/Letter]

1970. "Transitions (1s2p) 3P0-(2p2) 3Pe in he and (2s2p) 3P0-(2p2) 3Pe in H-." Physical Review A 2 1667-1668 [10.1103/PhysRevA.2.1667] [Journal Article/Letter]

1968. "Doubly Excited States of H- of High Principal Quantum Number: Implications for Electron-Atom Ionization." Physical Review 176 80-89 [10.1103/PhysRev.176.80] [Journal Article/Letter]

1967. "Hylleraas Variational Calculation of Auto-Ionization States." Physical Review 153 177-181 [10.1103/PhysRev.153.177] [Journal Article/Letter]

1966. "Partial Wave Theory of H2: Calculations of Σ+g States." Journal of Chemical Physics 44 3656-3661 [10.1063/1.1726512] [Journal Article/Letter]

1965. "Partial Wave Theory of Diatomic Molecules. II." Journal of Chemical Physics 42 (2): 644-649 [10.1063/1.1695985] [Journal Article/Letter]

1965. "Decomposition of Schrodinger Equation for the 3-Body Problem." APS Bulletin Series II (10): 61 [Journal Article/Letter]

1965. "Decomposition of the Schrödinger Equation for Two Identical Particles and a Third Particle of Finite Mass." Physical Review 137 (5A): A1335-A1343 [10.1103/PhysRev.137.A1335] [Journal Article/Letter]

1964. "Symmetric Euler-Angle Decomposition of the Two-Electron Fixed-Nucleus Problem." Reviews of Modern Physics 36 (4): 1050-1064 [10.1103/RevModPhys.36.1050] [Journal Article/Letter]

1964. ""Partial Wave Theory of Two-Electron Homonuclear Diatomic Molecules"." APS Bulletin Series II 9 [Journal Article/Letter]

1963. "Low-Energy K¯-d Scattering." Physical Review 132 855-862 [10.1103/PhysRev.132.855] [Journal Article/Letter]

1962. "Scattering of the Negative Kaon from the Deuteron." PhD Thesis [Journal Article/Letter]

1958. "On the Radiative Corrections to the Scattering of Mesons in an External Electromagnetic Field." Progress of Theoretical Physics 20 397-398 [10.1143/PTP.20.397] [Journal Article/Letter]