Evidence for particle stability of 31F and particle instability of 25N and 28O

被引：235
作者：
Sakurai, H
Lukyanov, SM
Notani, M
Aoi, N
Beaumel, D
Fukuda, N
Hirai, M
Ideguchi, E
Imai, N
Ishihara, M
Iwasaki, H
Kubo, T
Kusaka, K
Kumagai, H
Nakamura, T
Penionzhkevich, YE
Teranishi, T
Watanabe, YX
Yoneda, K
Yoshida, A
机构：
[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 35101, Japan
[2] Joint Inst Nucl Res, Flerov Lab Nucl React, Dubna 141980, Moscow Region, Russia
[3] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 113, Japan
[4] Tokyo Inst Technol, Dept Appl Phys, Meguro Ku, Tokyo 152, Japan
[5] Inst Phys Nucl, F-91406 Orsay, France
来源：
PHYSICS LETTERS B | 1999年 / 448卷 / 3-4期
关键词：
D O I：
10.1016/S0370-2693(99)00015-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The neutron drip line up to fluorine has been investigated by the projectile fragmentation of a 94.1 A MeV Ar-40 beam at the fragment separator RIPS at RIKEN. A new neutron-rich isotope, F-31, has been observed for the first time while clear evidence for the particle instability of N-24,N-25, O-27,O-28 and F-30 has been obtained. The sudden change in stability from oxygen to fluorine may demonstrate the onset of deformation for the neutron-rich fluorine isotopes. (C) 1999 Elsevier Science B.V. All rights reserved.
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收藏
页码：180 / 184
页数：5
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