Structure of high-spin states in 100Pd

被引：20
|
作者：
Perez, GE
Sohler, D
Algora, A
Dombrádi, Z
Nyakó, BM
Timár, J
Zolnai, L
Wyss, R
Cederkäll, J
Johnson, A
Kerek, A
Klamra, W
Norlin, LO
Lipoglavsek, M
Fahlander, C
Likar, A
Palacz, M
Atac, A
Nyberg, J
Persson, J
Gizon, A
Gizon, J
Boston, AJ
Paul, ES
Grawe, H
Schubart, R
Joss, DT
Juutinen, S
Mäkelä, E
Kownacki, J
de Poli, M
Bednarczyk, P
de Angelis, G
Seweryniak, D
Foltescu, D
Roth, HA
Skeppstedt, Ö
Jerrestam, D
Shizuma, T
Sletten, G
Törmänen, S
机构：
[1] Inst Nucl Res, H-4001 Debrecen, Hungary
[2] Royal Inst Technol, Dept Phys, S-10044 Stockholm, Sweden
[3] Univ Lund, Dept Cosm & Subatom Phys, Lund, Sweden
[4] Jozef Stefan Inst, Ljubljana, Slovenia
[5] Soltan Inst Nucl Phys, Swierk, Poland
[6] Uppsala Univ, Dept Neutron Res, Uppsala, Sweden
[7] Inst Sci Nucl, Grenoble, France
[8] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England
[9] Gesell Schwerionenforsch, Darmstadt, Germany
[10] Staffordshire Univ, Sch Sci, Stoke On Trent ST4 2DE, Staffs, England
[11] Univ Jyvaskyla, Dept Phys, Jyvaskyla, Finland
[12] Univ Warsaw, Heavy Ion Lab, Warsaw, Poland
[13] Lab Nazl Legnaro, Padua, Italy
[14] Argonne Natl Lab, Argonne, IL 60439 USA
[15] Chalmers Univ Technol, S-41296 Gothenburg, Sweden
[16] Uppsala Univ, Dept Neutron Res, Nykoping, Sweden
[17] Univ Copenhagen, Niels Bohr Inst, Copenhagen, Denmark
来源：
NUCLEAR PHYSICS A | 2001年 / 686卷
基金：
英国工程与自然科学研究理事会; 匈牙利科学研究基金会;
关键词：
Cr-50(Ni-58,4p alpha) and Zn-70(S-36,6n) reactions; NORDBALL and EUROGAM II gamma-ray spectrometers; measured E-gamma; I-gamma; particle-gamma gamma and gamma gamma coincidences; gamma-ray angular correlation and linear polarisation; deduced Pd-100 levels; I; pi; gamma-ray multipolarities; terminating bands; total routhian surface plus cranked shell model;
D O I：
10.1016/S0375-9474(00)00513-3
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：
High-spin states of the neutron deficient (100)pd nucleus have been investigated via the Cr-50(Ni-58, 4p alpha) and Zn-70(S-36,6n) heavy-ion induced reactions. For the detection of evaporated particles and gamma rays the NORDBALL array equipped with ancillary detectors and the EUROGAM II detector system were utilized. By the use of in-beam spectroscopic methods 89 transitions belonging to (100)pd have been observed, 49 of which were identified for the first time. The level scheme has been extended up to E-X approximate to 16 MeV excitation energy and I approximate to 25h. The experimental results were compared with the predictions of cranked shell model calculations. Maximal spin alignments were found in the (pig(9/2))(12+)(-4) (vd(5/2),g(7/2)(3)h(11/2))(13-) and (pig(9/2)(-3)p(1/2))(11-)(vd(5/2)g(7/2)(3)h(11/2))(13-) configurations. Possible existence of octupole correlations is discussed on the basis of 6 (E 1)lB(E2) values deduced for the decays of high-spin levels in the yrast negative-parity band. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：41 / 63
页数：23
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