Background suppression by the DRAGON radiative capture facility at TRIUMF/ISAC

被引：12

作者：

Hutcheon, D. ^{[1
]}

Buchmann, L. ^{[1
]}

Chen, A. A. ^{[2
]}

D'Auria, J. M. ^{[3
]}

Davis, C. A. ^{[1
]}

Greife, U. ^{[4
]}

Hussein, A. ^{[5
]}

Ottewell, D. F. ^{[1
]}

Ouellet, C. V. ^{[2
]}

Parikh, A. ^{[6
]}

Parker, P. ^{[6
]}

Pearson, J. ^{[2
]}

Ruiz, C. ^{[1
]}

Ruprecht, G. ^{[1
]}

Trinczek, M. ^{[1
]}

Vockenhuber, C. ^{[1
]}

机构：

[1] TRIUMF, Vancouver, BC V6T 2A3, Canada

[2] McMaster Univ, Hamilton, ON, Canada

[3] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada

[4] Colorado Sch Mines, Golden, CO 80401 USA

[5] Univ No British Columbia, Prince George, BC V2L 5P2, Canada

[6] Yale Univ, New Haven, CT USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2008年 / 266卷 / 19-20期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Mass separator; Background suppression; Radiative capture;

D O I：

10.1016/j.nimb.2008.05.133

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The DRAGON facility at TRIUMF/ISAC detects reaction products following radiative capture of a hydrogen or helium target nucleus by an accelerated heavy ion. Capture reactions of interest in nuclear astrophysics may have reaction rates 10-14 orders of magnitude lower than the intensity of the incident beam: as well as efficiently transporting the heavy reaction product from the target to a Suitable particle detector, the separator must provide most of the Suppression of unreacted beam. We describe the features of beam background encountered in a range of proton- and alpha-capture experiments at the DRAGON facility. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：4171 / 4175

页数：5

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