Cd-98(48)50: The two-proton-hole spectrum in Sn-100(50)50

被引：84

作者：

Gorska, M

Lipoglavsek, M

Grawe, H

Nyberg, J

Atac, A

Axelsson, A

Bark, R

Blomqvist, J

Cederkall, J

Cederwall, B

deAngelis, G

Fahlander, C

Johnson, A

Leoni, S

Likar, A

Matiuzzi, M

Mitarai, S

Norlin, LO

Palacz, M

Persson, J

Roth, HA

Schubart, R

Seweryniak, D

Shizuma, T

Skeppstedt, O

Sletten, G

Walters, WB

Weiszflog, M

机构：

[1] UNIV WARSAW,INST EXPT PHYS,WARSAW,POLAND

[2] UPPSALA UNIV,SVEDBERG LAB,UPPSALA,SWEDEN

[3] UPPSALA UNIV,DEPT RADIAT SCI,UPPSALA,SWEDEN

[4] JOZEF STEFAN INST,LJUBLJANA,SLOVENIA

[5] HAHN MEITNER INST BERLIN GMBH,D-1000 BERLIN,GERMANY

[6] UNIV COPENHAGEN,NIELS BOHR INST,DK-2100 COPENHAGEN,DENMARK

[7] ROYAL INST TECHNOL,DEPT PHYS,S-10044 STOCKHOLM,SWEDEN

[8] IST NAZL FIS NUCL,LAB NAZL LEGNARO,I-35020 LEGNARO,PADOVA,ITALY

[9] KYUSHU UNIV,FAC SCI,DEPT PHYS,FUKUOKA 812,JAPAN

[10] SOLTAN INST NUCL STUDIES,OTWOCK,POLAND

[11] CHALMERS UNIV TECHNOL,S-41296 GOTHENBURG,SWEDEN

[12] ARGONNE NATL LAB,ARGONNE,IL 60439

[13] UNIV MARYLAND,DEPT CHEM,COLLEGE PK,MD 20742

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.79.2415

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Excited states in Cd-98, two proton holes from Sn-100, were identified and studied for the first time, using in-beam spectroscopy with highly selective ancillary detectors. The structure of the (pi g(9/2))(-2) two-proton-hole spectrum below a T-1/2 = 0.48(16) mu s isomer is deduced and compared to shell-model predictions. A tentative I-pi = (8(+)) assignment, as suggested by systematics, yields a strongly reduced B(E2,8(+) --> 6(+)) = 0.44((+20)(-10)) W.u., corresponding to an effective proton charge of e(pi) = 0.85((+20)(-10))e, which is at variance with existing theoretical predictions.

引用

页码：2415 / 2418

页数：4

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