Neutron decay spectroscopy of neutron-rich oxygen isotopes

被引：11

作者：

Frank, N. ^{[1
,2
,3
]}

Baumann, T. ^{[2
]}

Bazin, D. ^{[2
]}

Brown, B. A. ^{[1
,2
]}

Brown, J. ^{[4
]}

DeYoung, P. A. ^{[5
]}

Finck, J. E. ^{[6
]}

Gade, A. ^{[1
,2
]}

Hinnefeld, J. ^{[7
]}

Howes, R. ^{[8
]}

Lecouey, J. -L. ^{[2
]}

Luther, B. ^{[3
]}

Peters, W. A. ^{[1
,2
]}

Scheit, H. ^{[2
]}

Schiller, A. ^{[2
]}

Thoennessen, M. ^{[1
,2
]}

Tostevin, J. ^{[9
]}

机构：

[1] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[2] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

[3] Concordia Coll, Dept Phys, Moorhead, MN 56562 USA

[4] Wabash Coll, Dept Phys, Crawfordsville, IN 47933 USA

[5] Hope Coll, Dept Phys, Holland, MI 49423 USA

[6] Cent Michigan Univ, Dept Phys, Mt Pleasant, MI 48859 USA

[7] Indiana Univ, Dept Phys & Astron, South Bend, IN 46634 USA

[8] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA

[9] Univ Surrey, Fac Engn & Phys Sci, Dept Phys, Guildford GU2 7XH, Surrey, England

来源：

NUCLEAR PHYSICS A | 2008年 / 813卷 / 3-4期

基金：

美国国家科学基金会;

关键词：

NUCLEAR REACTIONS Be-9(Ne-26; X)O-22; O-23; O-24; E=86; MeV/nucleon; measured fragment and neutron energy- and angular-spectra; (fragment)(neutron)-coin; neutron decay energy spectra; deduced reaction mechanism features; O-23 observed unbound state;

D O I：

10.1016/j.nuclphysa.2008.09.009

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：

Neutron decay spectroscopy of neutron-rich oxygen isotopes has been performed using the two-proton knock-out reaction Be-9(N-26, X)O-24,O-23,O-22. A combination of the knock-out of valence and core protons can explain the three observed spectra. These knock-out processes are selective and preferentially populate hole states. The observed narrow resonance state in O-23 at an excitation energy of 2.8(1) MeV was assigned to the 5/2(+) state. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：199 / 211

页数：13

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