Monitor reactions in Al-foils for high energy proton beams bombarding a thick target

被引：16
|
作者：
Wan, JS
Ochs, M
Vater, P
Song, XP
Langrock, EJ
Brandt, R
Adam, J
Bemblevski, VP
Kulakov, BA
Krivopustov, MI
Sosnin, AN
Modolo, G
Odoj, R
机构：
[1] Univ Marburg, Inst Phys Kern & Makromol Chem, Marburg, Germany
[2] Joint Nucl Res Inst, Dubna, Russia
[3] Forschungszentrum Juelich, Julich, Germany
[4] NW Inst Nucl Technol, Xian, Peoples R China
[5] Inst Phys Nucl, Rez, Czech Republic
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1999年 / 155卷 / 1-2期
关键词：
nuclear reactions; spallation reaction; Al-target; monitor; monitor reaction; influence of beam measurement; thick target of Pb and U;
D O I：
10.1016/S0168-583X(99)00293-1
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
During the bombardment of U and Pb targets (each 21 cm thick) with protons of energy 1.0 and 1.5 GeV, the reactions Al-27(p, 3pn)Na-24 and Cu-nat.(p, X)Na-24 were studied as monitor reactions. The influence of Al-27(n, alpha)Na-24 on the monitor reaction Al-27(p, 3pn)Na-24 was investigated experimentally and theoretically. In order to avoid the influence of(n, alpha) reaction, placing of the Al-monitors 35 cm upstream the massive targets is recommended. This method may be used in Accelerator-Driven-Transmutation (ADT) studies of long-lived nuclear waste, where one always uses a massive heavy element target irradiated with protons at about 1 GeV. The experiments were performed at the Laboratory of High Energies, JINR, Dubna, Russian Federation. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：110 / 115
页数：6
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