Title of article :
Stopping power of nonideal quantum plasmas
Author/Authors :
Schlanges، نويسنده , , M. and Gericke، نويسنده , , D.O. and Kraeft، نويسنده , , W.D. and Bornath، نويسنده , , Th.، نويسنده ,
Abstract :
The energy loss of a particle beam in a dense nonideal plasma is considered as starting from quantum kinetic equations. Stopping power expressions are derived in dynamically screened Born and in binary collision (T-matrix) approximation. Numerical results are presented, and a combined scheme is discussed to include both dynamic screening and multiple-scattering effects. Furthermore, we analyzed the charge number dependence of the stopping power for ion beams in the case of strong beam plasma coupling. Finally, the energy loss of a particle beam in a partially ionized plasma is investigated. A generalized version of the Bethe result for atomic ionization is derived and results for the total stopping power of an electron beam in partially ionized hydrogen are discussed.
Keywords :
Ionization , Dense plasma , Stopping power
Journal title :
Astroparticle Physics