The angular dependence of the energy loss for high energy H+-ions transmitted through thin al films

Using both classical Monte Carlo simulations and analytical calculations we have investigated the angular dependence of the energy loss (ADEL) for 200 keV protons traversing thin Al films. Our results indicate that the variation of the energy loss with ejection angle may not be as sensitive to the functional form of the energy loss in a single collision as previously assumed. According to present calculations the ADEL is to a great extent determined by multiple scattering and the energy loss in a single, head-on collision.