Hybrid Theory of Scattering of Positrons from Helium Atoms

Authors

  • Anand K. Bhatia Heliophysics Science Division, NASA/Goddard Space Center, Greenbelt, MD 20771, USA

DOI:

https://doi.org/10.26713/jamcnp.v11i1.2671

Keywords:

Positrons, Scattering, Hybrid theory

Abstract

Hybrid theory of \(L\)-wave scattering of positrons from helium atoms is developed. Phase shifts are calculated for the incident positron momentum from \(0.1\) to \(1.2\) for \(L=0, 1, 2, 3\) before the~onset of excitation, and positronium formation. The phase shifts are compared with phase shifts obtained by Drachman, and by Campeanu and Humberston.

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References

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A. K. Bhatia, Hybrid theory of electron-hydrogen scattering, Physical Review A 75 (2007), 032713, DOI: 10.1103/PhysRevA.75.032713.

A. K. Bhatia, Positron-hydrogen scattering, annihilation, and positron formation, Atoms 4(4) (2016), 27, DOI: 10.3390/atoms4040027.

R. I. Campeanu and J. W. Humberston, The scattering of s-wave positrons by helium, Journal of Physics B: Atomic and Molecular Physics 10 (1977), L153, DOI: 10.1088/0022-3700/10/5/007.

R. J. Drachman, Theory of low-energy positron-helium scattering, Physical Review Journals Archive 144 (1966), 25, DOI: 10.1103/PhysRev.144.25.

A. Temkin, A note on scattering of electron from atomic hydrogen, Physical Review Journals Archive 116 (1959), 358, DOI: 10.1103/PhysRev.116.358.

A. Temkin, Polarization and the triplet electron-hydrogen scattering length, Physical Review Letters 6 (1961), 354, DOI: 10.1103/PhysRevLett.6.354.

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Published

2024-12-31
CITATION

How to Cite

Bhatia, A. K. (2024). Hybrid Theory of Scattering of Positrons from Helium Atoms. Journal of Atomic, Molecular, Condensed Matter and Nano Physics, 11(1), 1–5. https://doi.org/10.26713/jamcnp.v11i1.2671

Issue

Vol. 11 No. 1 (2024)

Section

Research Article

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