https://doi.org/10.1007/s100530070045
Shell correction in Bohr stopping theory
Physics Department, Odense University (SDU), 5230 Odense M, Denmark
Received:
8
February
2000
Revised:
27
April
2000
Published online: 15 October 2000
The shell correction is a term in the
electronic-stopping force on a charged particle, where ve denotes the
speed of a target electron. This term has been evaluated as a function
of impact parameter within the scheme underlying Bohr's classical
stopping theory, applying
free-Coulomb scattering to close and a multipole expansion to distant
interactions. Unlike the leading term in the stopping force,
the shell correction is dominated by contributions from close
collisions, and its magnitude differs from that found from the Bethe
theory. Findings are also compared with the
predictions of kinetic theory. Implications are mentioned on the stopping
of swift heavy ions.
PACS: 34.50.Bw – Energy loss and stopping power / 61.85.+p – Channeling phenomena (blocking, energy loss, etc.) / 52.40.Mj – Particle beam interactions in plasma
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2000