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Measurement of the backscattering yields for protons of H+2, H+3 cluster ions in channeling condition
Author(s) -
Chaowen Yang,
V.A. Khodyrev,
В. С. Куликаускас
Publication year - 2003
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.52.1895
Subject(s) - ion , atomic physics , projectile , physics , cluster (spacecraft) , scattering , optics , quantum mechanics , computer science , programming language
Rutherford backscattering spectrum of protons in H+2H+3 cluster ions have been measured in channeling directions and of silicon crys tal. It has been found that, under the same velocity of 650 keV/p, the backscattering probability for protons of H+2 cluster ions is great er than that of H+ projectile, and the backscattering probability for protons of H+3 is gr eater than that of H+2. The ratio of backscattering yields of channeling di rection to that of random direction is defined and the depth dependence of ratio distribution is calculated.

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