Energy losses of fast heavy-ion projectiles in dense hydrogen plasmas

Details Energy losses of fast heavy-ion projectiles in dense hydrogen plasmas Energy losses of fast heavy-ion projectiles in dense hydrogen plasmas

2008-12-22

arxiv.org/abs/0812.4298v1

J. Phys. A: Math. Theor. 42 214035 (2009)

Physics

Plasma Physics

5 pages, 1 figure. International Conference on Strongly Coupled Coulomb Systems 2008, Camerino (Italy). To appear in J. Phys.

Scientific paper

10.1088/1751-8113/42/21/214035

It has been recently shown that the Bethe-Larkin formula for the energy losses of fast heavy-ion projectiles in dense hydrogen plasmas is corrected by the electron-ion correlations [Phys. Rev. Lett. \textbf{101}, 075002 (2008)]. We report numerical estimates of this correction based on the values of $g_{ei}(0)$ obtained by numerical simulations in [Phys. Rev. E \textbf{61}, 3470 (2000)]. We also extend this result to the case of projectiles with dicluster charge distribution. We show that the experimental visibility of the electron-ion correlation correction is enhanced in the case of dicluster projectiles with randomly orientated charge centers. Although we consider here the hydrogen plasmas to make the effect physically more clear, the generalization to multispecies plasmas is straightforward.

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