Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9845445 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2005 | 8 Pages |
Abstract
Stopping power of low-energy, highly charged projectiles in cold dense plasmas was numerically investigated to search realistic parameters for beam-plasma interaction experiments using â10-100Â keV/u projectiles delivered by a 1.7Â MV electrostatic accelerator. In order to evaluate the energy loss, a simple Molecular Dynamics (MD) computer code was applied. If the projectile velocity was as low as the thermal velocity of plasma electrons, and the projectile charge was sufficiently high, nonlinear stopping was observed even for weakly nonideal plasma targets with Îâ0.1. According to a numerical analysis on the charge state distribution coupled with an energy loss calculation, projectiles with such a high charge state are rapidly lost by the strong recombination owing to electrons loosely trapped by the projectile, as well as the residual hydrogen atoms in the plasma.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Instrumentation
Authors
Y. Oguri, J. Hasegawa, J. Kaneko, M. Ogawa, K. Horioka,