Measuring low-energy (α, p) reaction cross sections using an extended gas target and gas recirculator

被引：0

作者：

Chae, K. Y. ^{[1
]}

Ahn, S. ^{[2
]}

Ayres, A. ^{[2
]}

Bardayan, D. W. ^{[3
]}

Bey, A. ^{[2
]}

Greife, U. ^{[4
]}

Howard, M. E. ^{[5
]}

Jones, K. L. ^{[2
]}

Kozub, R. L. ^{[6
]}

Matos, M. ^{[7
]}

Moazen, B. H. ^{[7
]}

Nesaraja, C. D. ^{[8
]}

O'Malley, P. D. ^{[5
]}

Peters, W. A. ^{[9
]}

Pittman, S. T. ^{[2
]}

Smith, M. S. ^{[8
]}

机构：

[1] Sungkyunkwan Univ, Dept Phys, Suwon 16419, South Korea

[2] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

[3] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA

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

[5] Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA

[6] Tennessee Technol Univ, Dept Phys, Cookeville, TN 38505 USA

[7] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[8] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA

[9] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2018年 / 900卷

基金：

新加坡国家研究基金会;

关键词：

Extended gas target; F-19(alpha; p)Ne-22; reaction; Inverse kinematics; alpha p-process; Heavy ion beam;

D O I：

10.1016/j.nima.2018.05.053

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Direct measurements of (alpha,p) reactions of astrophysical interest with radioactive beams presents serious challenges because of the difficult nature of helium targets and the typical low intensities of the beams. To address this, a new technique has been developed for measurements of low-energy (alpha, p) reactions with heavy ion beams using an extended He-4 gas target and a newly developed gas recirculating system. The system was used to measure the He-4(F-19, H-1)(22) Ne reaction as a demonstration. Excitation functions of the F-19(alpha, p)(22) Ne and F-19(alpha, p)Ne-22(x) reactions were successfully measured to show the viability of this technique. Details of the approach and future plans are given.

引用

页码：60 / 63

页数：4

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