多重带电离子的停止力

J. Sabin
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引用次数: 0

摘要

快速离子,如质子和α,通过将弹丸的动能转化为目标的电子能量,与目标离子和分子相互作用并沉积能量。这种能量沉积可以发生在深空和等离子体等不同的情况下,可以涉及到原子离子和相当复杂的有机分子等不同的目标[1]。在大多数情况下,速度为v的快速离子在散射体粒子密度为n的靶上沉积电子能量的过程可由式描述:
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Stopping Power of Multiply Charged Ions
Fast ions, such as protons and alphas, interact with, and deposit energy in, target ions and molecules by converting kinetic energy of the projectile to target electronic energy. Such energy deposition occurs in situations as different as deep space and plasmas and can involve targets as different as atomic ions and rather complicated organic molecules [1]. In most cases, the deposition of electronic energy by a fast ion with velocity v in a target of scatterer particle density n is described by the equation:
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