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

页码：110 / 115

页数：6

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