Abstract

We present comparisons of the CRANGE code to other well-known codes, SRIM and ASTAR, and to experimental results for ion–material interactions such as energy loss per unit length, ion range, and ion-induced electron yield. These ion–material interaction simulations are relevant to the electron cloud effect in heavy ions accelerators for fusion energy and high energy density physics. Presently, the CRANGE algorithms are most accurate at energies above 1.0 MeV/amu. For calculation of energy loss per unit length of a potassium ion in stainless steel, results of CRANGE and SRIM agree to within 10% above 1.0 MeV/amu. For calculations of the range of a helium ion in aluminum, results of CRANGE and ASTAR agree to within 2% above 1.0 MeV/amu. Finally, for calculations of ion-induced electron yield for hydrogen ions striking gold, results of CRANGE agree to within 10% with measured electron yields above 1.0 MeV/amu.

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