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

被引：237

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.

引用

页码：180 / 184

页数：5

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