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Stopping powers of MeV-energy ions ~7Li, ~(12)C, ~(16)O and ~(28)Si in some common target materials

机译:MeV能量离子〜7Li,〜(12)C,〜(16)O和〜(28)Si的终止能力

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Stopping powers for 0.4-8.5 MeV ~7Li-ions, 0.4-10 MeV ~(12)C-ions, 0.3-14 MeV ~(16)O-ion and 0.5-11.5 MeV ~(18)Si ions in four commonly used materials (Al, Cu, Ag and Au) have been determined by using the backscattering method. Elastic backscattering spectra were measured at a laboratory detection angle 170 deg using a passivated implanted planar Si (PIPS) detector. Energy de-pendence of stopping powers were obtained and compared to the semiempirical model (TRIM-91 and SRIM-96) predictions. The SRIM-96 calculations generally reporoduce the experimental data more closely and lead to a significant improvement of the agreement of the ~7Li data when compared to TRIM-91.
机译:四种常用的0.4-8.5 MeV〜7Li离子,0.4-10 MeV〜(12)C离子,0.3-14 MeV〜(16)O离子和0.5-11.5 MeV〜(18)Si离子的截止功率通过使用反向散射方法已确定了材料(Al,Cu,Ag和Au)。使用钝化的植入式平面Si(PIPS)检测器在170°的实验室检测角度下测量弹性背向散射光谱。获得了停止功率的能量依赖性,并将其与半经验模型(TRIM-91和SRIM-96)的预测值进行了比较。与TRIM-91相比,SRIM-96的计算通常会更紧密地重新介绍实验数据,并导致〜7Li数据一致性的显着改善。

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