The ionization of H, He and Ne atoms using neutrinos or antineutrinos at keV energies

Details The ionization of H, He and Ne atoms using neutrinos or antineutrinos at keV energies The ionization of H, He and Ne atoms using neutrinos or antineutrinos at keV energies

2001-09-20

arxiv.org/abs/hep-ph/0109183v4

Phys.Lett. B525 (2002) 63-70

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 5 figures: Realistic atomic wave functions are used inducing numerical changes in the results. e-mail: gounaris@cern

Scientific paper

10.1016/S0370-2693(01)01415-0

We calculate the ionization cross sections for H, He or Ne atoms using $\nu_e$ and $\bar \nu_e$ scattering at keV energies. Such cross sections are useful for e.g. $\bar \nu_e$-oscillation experiments using a tritium source. Using realistic atomic wave functions, we find that for $E_\nu \lsim 10 ~\rm keV $ the atomic ionization cross sections, normalized to one electron per unit volume, are smaller than the corresponding free electron ones, and that they approach it from below as energies of 20 keV are reached.

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