Decay and in-beam studies of neutron-deficient Po and Ra isotopes at JYFL

被引：0
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作者：
Leino, M
Allatt, RG
Andreyev, AN
Cocks, JFC
Dorvaux, O
Enqvist, T
Eskola, K
Helariutta, K
Huyse, M
Jones, PM
Julin, R
Juutinen, S
Kankaanpää, H
Keenan, A
Kettunen, H
Kuusiniemi, P
Muikku, M
Page, RD
Rahkila, P
Savelius, A
Trzaska, WH
Uusitalo, J
Van Duppen, P
机构：
[1] Univ Jyvaskyla, Dept Phys, FIN-40351 Jyvaskyla, Finland
[2] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England
[3] Katholieke Univ Leuven, Inst Kern & Stralingsfys, B-3001 Louvain, Belgium
[4] Joint Inst Nucl Res Dubna, FLNP, Dubna, Russia
[5] Univ Helsinki, Dept Phys, Helsinki, Finland
来源：
ACTA PHYSICA POLONICA B | 1999年 / 30卷 / 05期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An extensive program to study the production, decay properties, and nuclear structure of very neutron-deficient polonium and radium nuclei is underway at the Department of Physics, University of Jyvaskyla, Finland (JYFL). The main tools used in these studies are the gas-filled recoil separator RITU and various germanium gamma-ray arrays. In the course of these studies, among others the following new isotopes have been produced: Ra-204, Ra-203, and Ra-202. Isomeric alpha decaying states have been discovered in Ra-203 and Po-191. Fine structure in the decay of Po-192 to the oblate and prolate band heads in Pb-188 has been observed. In-beam gamma-ray spectra have been, for the first time, measured for Po-192, Ra-206, Ra-208, and Ra-210. Development of collectivity in nuclei in the Po-Ra region and the systematics of reduced alpha widths will be discussed.
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页码：1245 / 1254
页数：10
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