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
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
收藏
页码:4171 / 4175
页数:5
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