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Title: Target depth dependence of damage rate in metals by 150MeV proton irradiation
Authors: Yoshiie, T.
Ishi, Y.
Kuriyama, Y.
Mori, Y.
Sato, K.
Uesugi, T.
Xu, Q.
Author's alias: 義家, 敏正
Keywords: Proton irradiation
Target thickness dependence of damage rate
Electrical resistance measurement
Positron annihilation lifetime measurement
Issue Date: Jan-2015
Publisher: Elsevier B.V.
Journal title: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume: 342
Start page: 166
End page: 169
Abstract: A series of irradiation experiments with 150 MeV protons was performed. The relationship between target depth (or shield thickness) and displacement damage during proton irradiation was obtained by in situ electrical resistance measurements at 20 K. Positron annihilation lifetime measurements were also performed at room temperature after irradiation, as a function of the target thickness. The displacement damage was found to be high close to the beam incident surface area, and decreased with increasing target depth. The experimental results were compared with damage production calculated with an advanced Monte Carlo particle transport code system (PHITS).
Rights: © 2014 Elsevier B.V.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1016/j.nimb.2014.09.037
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