Richard J. Drachman - Concepedia

Author

Richard J. Drachman

Goddard Space Flight Center

Also Known As

R J Drachman, R. J. Drachman, R.J. DRACHMAN, R.J. Drachman, Richard Drachman, Richard J Drachman, Richard J. Drachman

142

Publications

2.8K

Citations

H-Index

Concepts

All Affiliations

Goddard Space Flight Center National Aeronautics and Space Administration

About

Richard J. Drachman is an author at Goddard Space Flight Center specializing in physics, engineering, and quantum chemistry.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	28	51	2.2K
2	Natural Sciences	28	54	2.2K
3	Applied Physics	24	41	1.7K
4	Chemistry	16	20	723
5	Electrical Engineering	1	1	23

Richard J. Drachman

Publications

2.5K

Citations

H-Index

Page 1

	Year	Citations
The annihilation of galactic positrons R. W. Bussard, R. Ramaty, Richard J. Drachman The Astrophysical Journal	1979	178
Generalized Hylleraas Calculation of Positron-Hydrogen Scattering A. K. Bhatia, A. Temkin, Richard J. Drachman, Physical review. A, General physics EngineeringPhysicsPositronium Pickup ThresholdNatural SciencesPositron Annihilation Spectroscopy	1971	143
New calculation of the properties of the positronium ion A. K. Bhatia, Richard J. Drachman Physical review. A, General physics EngineeringNuclear PhysicsPhysicsHadron PhysicNatural Sciences	1983	141
Rydberg states of helium: An optical-potential analysis Richard J. Drachman Physical review. A, General physics EngineeringElectron DiffractionElectron Cloud EffectsElectron OpticOptical Potential	1982	108
A new global operator for two-particle delta functions Richard J. Drachman Journal of Physics B Atomic and Molecular Physics Numerical AnalysisSpectral TheoryEngineeringHyperfine StructurePhysics	1981	91
Positronium-hydrogen elastic scattering Richard J. Drachman, S. K. Houston Physical review. A, General physics Excitation ThresholdEngineeringNuclear PhysicsPositron Annihilation SpectroscopyElectron Diffraction	1975	90
Positron-Atom Scattering by the Kohn and Harris Methods S. K. Houston, Richard J. Drachman Physical review. A, General physics Positron-atom ScatteringEngineeringNuclear PhysicsPhysicsPositron Annihilation Spectroscopy	1971	85
Variational Bounds in Positron-Atom Scattering Richard J. Drachman Physical Review Variational BoundsRigorous Lower BoundsEngineeringPhysicsHydrogen Transition	1968	81
Photodetachment of the positronium negative ion A. K. Bhatia, Richard J. Drachman Physical review. A, General physics EngineeringPhysicsPhotochemistryNatural SciencesElectron Spectroscopy	1985	75
Rydberg states of helium: Relativistic and second-order corrections Richard J. Drachman Physical review. A, General physics Quantum ScienceRydberg StatesEngineeringNuclear PhysicsPhysics	1985	74

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