β-delayed neutron emission from 85 Ga

被引：7

作者：

Miernik, K. ^{[1
]}

Rykaczewski, K. P. ^{[2
]}

Grzywacz, R. ^{[2
,3
,4
]}

Gross, C. J. ^{[2
]}

Madurga, M. ^{[3
]}

Miller, D. ^{[3
]}

Stracener, D. W. ^{[2
]}

Batchelder, J. C. ^{[5
]}

Brewer, N. T. ^{[6
]}

Korgul, A. ^{[1
]}

Mazzocchi, C. ^{[1
]}

Mendez, A. J., II ^{[7
]}

Liu, Y. ^{[2
]}

Paulauskas, S. V. ^{[3
]}

Winger, J. A. ^{[8
]}

Wolinska-Cichocka, M. ^{[2
,4
,9
]}

Zganjar, E. F. ^{[10
]}

机构：

[1] Univ Warsaw, Fac Phys, PL-02093 Warsaw, Poland

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

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

[4] Joint Inst Nucl Phys & Applicat, Oak Ridge, TN 37831 USA

[5] Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94702 USA

[6] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA

[7] Campbell Univ, Dept Chem & Phys, Buies Creek, NC 27506 USA

[8] Mississippi State Univ, Dept Phys & Astron, Mississippi State, MS 39762 USA

[9] Univ Warsaw, Heavy Ion Lab, PL-02093 Warsaw, Poland

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

来源：

PHYSICAL REVIEW C | 2018年 / 97卷 / 05期

关键词：

R-PROCESS; FISSION;

D O I：

10.1103/PhysRevC.97.054317

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Decay of Ga-85 was studied by means of beta-neutron-gamma spectroscopy. A pure beam of Ga-85 was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and a high-resolution electromagnetic separator. The beta-delayed neutron emission probability was measured for the first time, yielding 70(5)%. An upper limit of 0.1% for beta-delayed two-neutron emission was also experimentally established for the first time. A detailed decay scheme including absolute gamma-ray intensities was obtained. Results are compared with theoretical beta-delayed emission models.

引用

页数：7

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