Cross sections for low-energy inelastic H+Li collisions

Details Cross sections for low-energy inelastic H+Li collisions Cross sections for low-energy inelastic H+Li collisions

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phrva..68f2703b&link_type=abstract

Physical Review A, vol. 68, Issue 6, id. 062703

Astronomy and Astrophysics

Astrophysics

33

Electronic Excitation And Ionization Of Atoms

Scientific paper

We report calculations for the low-energy near-threshold inelastic collision cross sections between the Li(2s,2p,3s,3p)+H(1s) states. Results are obtained by solving the coupled-channel equations. Order-of-magnitude estimates for higher states have been made with the multichannel Landau-Zener model. Potentials and couplings from H. Croft et al [J. Phys. B 32, 81 (1999)] are employed. The calculated cross sections are much smaller than ones predicted by the classical Thomsom atom formula currently employed in astrophysics. This result is important for the interpretation of stellar spectra.

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