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Charge resolution of CR-39 plastic nuclear track detectors for intermediate energy heavy ions
https://repo.qst.go.jp/records/46037
https://repo.qst.go.jp/records/460375769dce6-3cc6-44e4-bc65-c5293ff7a82c
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-05-10 | |||||
タイトル | ||||||
タイトル | Charge resolution of CR-39 plastic nuclear track detectors for intermediate energy heavy ions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Ota, Syuya
× Ota, Syuya× Yasuda, Nakahiro× Sihver, Lembit× Kodaira, Satoshi× Kurano, Mieko× Naka, Shuichiro× Ideguchi, Yusuke× Benton, Eric× Hasebe, Nobuyuki× 太田 周也× 安田 仲宏× 小平 聡× 蔵野 美恵子× 仲 秀一郎× 井手口 悠介 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The charge resolution (dZ) for heavy ions (nuclear charge: Z < 40) of 0.1–1 GeV/n energy in CR-39 plastic nuclear track detector (PNTD) and its dependence on etching time, and on projectile Z and energy were investigated and optimized as part of an effort to make precise measurements of projectile charge-changing cross sections. Two types of CR-39 PNTD, HARZLAS TD-1 and BARYOTRAK, were exposed to heavy ion beams with seven values of Z behind thick targets to produce projectile fragments. Following chemical etching (7 N NaOH at 70 degreeC) for varying etch times, dZ of the projectiles was determined for each detector type. A strong dependence of dZ on the amount of bulk etch (B) was seen. It was also observed that dZ can be remarkably improved with longer etching time as a function of B^-{1/2}, in accordance with the trend seen in other types of track detector such as glass nuclear track detector. However, for B > 60 lm(30 h etching), saturation occurs and there is no further improvement in dZ. Analysis of the correlations between projectile Z, energy, detector response, and fluctuation of the response make it possible to develop a model to predict the dZ for projectiles of given Z and energy. The predicted and measured values of dZ show good agreement within 10%. We conclude that 4 < Z < 30 at intermediate energy can be identified with good dZ in these detectors. The predictive model will be used in designing future cross section measurement experiments. | |||||
書誌情報 |
Nuclear Instruments & Methods in Physics Research Section B 巻 269, 号 12, p. 1382-1388, 発行日 2011-05 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0168-583X |