Inelastic cross sections for positron scattering from atomic hydrogen

Weber, M.; Hofmann, A.; Raith, Wilhelm; Sperber, Wolfgang; Jacobsen, F. M.; Lynn, Kelvin G.

doi:10.2172/79980

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(4d) Positronium Formation1

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1996

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“…4, the positronium formation cross sections computed in a variety of different models are compared with the experimental data of the BielefeldBrookhaven collaboration (Sperber et al 1992: Weber et al 1994. Two sets of CC(28,3) cross sections are depicted.…”

Section: (4d) Positronium Formationmentioning

confidence: 99%

Positron - Hydrogen Scattering at Intermediate Energies

Mitroy¹

1996

Aust. J. Phys.

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Calculations of positron-hydrogen scattering at intermediate energies up to a maximum energy of 10 Ryd are performed using the close coupling (CC) approach. A large L2 basis of positron-hydrogen channels (28 states) is supplemented by the Ps(1s), Ps(2s) and Ps(2p) channels. The inclusion of the positronium states in the CC expansion leads to a model which can describe most of the physics of the positron-hydrogen system with a reasonable degree of accuracy. In particular, the positronium formation cross section, the total reaction cross section and the ionisation cross section are all in agreement with experiment. The elastic scattering cross section and the cross sections for positron impact excitation of the H(2s) and H(2p) levels are also reported.

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Section: (4d) Positronium Formationmentioning

confidence: 99%

Positron - Hydrogen Scattering at Intermediate Energies

Mitroy¹

1996

Aust. J. Phys.

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Inelastic cross sections for positron scattering from atomic hydrogen

Cited by 1 publication

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Positron - Hydrogen Scattering at Intermediate Energies

Positron - Hydrogen Scattering at Intermediate Energies

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