Summary
Heavy-ion stopping powers on light ansorbers (1≤Z≤8) were analysed in the framework of the Bethe-Bloch formalism, incorporating corrections for the projectile effective charge and the lowvelocity-projectileZ 3 effect. An analytical dependence of the effective-charge parameter, as a function of the projectile atomic number, was found. Calculations based on interpolating procedures are compared with experimental data.
Riassunto
Dati sperimentali sul potere frenante di ioni pesanti in assorbitori leggeri (1≤Z≤8) sono stati analizzati nel contesto del formalismo di Bethe-Bloch, tenendo conto di correzioni per la carica efficace del proiettile e della dipendenza daZ 3 del potere frenante a bassa velocità. È stata riscontrata una dipendenza analitica del parametro di carica efficace dal numero atomico del proiettile. Ciò permette l'uso di procedure d'interpolazione per predire il potere frenante di ioni pesanti in assenza di dati sperimentali. Alcuni risultati di tale procedura sono confrontati con dati sperimentali,
Резюме
В рамках, формализма Бете-Блоха, учитывая поправки для эффективного заряда налетчющей частицы иZ 3 эффект для малых скоростей налетающей частицы, анализируется тормозная способность тяжелых ионов в легких поглотителях (1≦Z≦8). Получается аналитическая зависимость эффективного заряда от атммного номера налетающей частицы. Вычисления сравниваются с экспериментальными данными.
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Viesti, G., Boccaccio, P. Heavy-ion stopping-power calculations for light absorbers. Il Nuovo Cimento D 1, 95–105 (1982). https://doi.org/10.1007/BF02450188
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DOI: https://doi.org/10.1007/BF02450188