Differential cross section for positronium formation in positron-atomic-hydrogen collisions

Details Differential cross section for positronium formation in positron-atomic-hydrogen collisions Differential cross section for positronium formation in positron-atomic-hydrogen collisions

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phrva..14..100d&link_type=abstract

Physical Review A - General Physics, 3rd Series, vol. 14, July 1976, p. 100-103.

Astronomy and Astrophysics

Astrophysics

25

Atomic Collisions, Born Approximation, Hydrogen Atoms, Positronium, Scattering Cross Sections, Astrophysics, Particle Energy, Positron Annihilation

Scientific paper

The differential cross section for positronium formation in its ground state due to collision of a positron and a hydrogen atom is obtained on the basis of the combination of the L = 0 and 1 (L is the angular momentum quantum number) partial wave amplitudes with the L not less than 2 Born amplitudes. Minima at the scattering angles of 57 and 51 degrees were found for positron energies of 0.64 and 0.75 Ry. Total cross sections for positronium formation at low and intermediate impact energies are presented.

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