First results of an experimental study of the residual activity induced by high-energy uranium ions in steel and copper

被引：20
|
作者：
Fertman, A.
Mustafin, E.
Hinca, R.
Strasik, I.
Pavlovic, M.
Schardt, D.
Sobolevskiy, N.
Golubev, A.
Sharkov, B.
Fehrenbacher, G.
Hofmann, I.
Iwase, H.
Kozova, E.
Mustafina, G.
机构：
[1] Slovak Univ Technol Bratislava, Dept Nucl Phys & Technol, FEI, SK-81219 Bratislava, Slovakia
[2] GSI Darmstadt, D-64291 Darmstadt, Germany
[3] ITEP, Moscow 117218, Russia
[4] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 260卷 / 02期
关键词：
activation; residual activity; particle accelerators;
D O I：
10.1016/j.nimb.2007.03.077
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
First results of an experimental study of the residual activity induced by high-energy uranium ions are presented. As a preparatory work for constructing the FAIR facility at GSI, samples of stainless steel and copper were irradiated by 500 MeV/u U-238 ions and investigated by gamma-ray spectroscopy. The isotopes that contribute dominantly to the residual activity have been identified and their contributions have been quantified. Depth-profiles of residual activity of individual isotopes have shown that target activation due to projectile fragments and neutrons extends far beyond the range of primary particles and reaches the same level as in the region irradiated by primary particles. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：579 / 591
页数：13
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