SINGLE-PARTICLE AND COLLECTIVE EXCITATIONS IN TE-124

被引：25

作者：

LEE, CS ^{[1
]}

CIZEWSKI, JA ^{[1
]}

BARKER, D ^{[1
]}

KUMBARTZKI, G ^{[1
]}

TANCZYN, R ^{[1
]}

HENRY, RG ^{[1
]}

FARRIS, LP ^{[1
]}

LI, H ^{[1
]}

机构：

[1] YALE UNIV,AW WRIGHT NUCL STRUCT LAB,NEW HAVEN,CT 06511

来源：

NUCLEAR PHYSICS A | 1991年 / 530卷 / 01期

关键词：

SN-122(ALPHA; 2N); E; 18-23; MEV; MEASURED E-GAMMA; I-GAMMA(E); I-GAMMA(THETA); GAMMA-GAMMA-COIN; TE-124 DEDUCED LEVELS; J; PI; DELTA(E2/M1); MODEL COMPARISON; VIBRATIONAL COLLECTIVE EXCITATIONS; 4P2H INTRUDERS; MIXED-SYMMETRY; INTERACTING;

D O I：

10.1016/0375-9474(91)90755-U

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：

Low-lying excitations in Te-124 have been investigated using the Sn-122(alpha, 2n) reaction at beam energies of 21 and 23 MeV. Standard in-beam spectroscopy techniques of excitation function, gamma-gamma-coincidence and gamma-ray angular distribution measurements were used. A level scheme up to 3410 keV was constructed. Nine new gamma-rays have been placed and definite spin-parity assignments were made to a number of new levels. Among the new states identified were possible 10+ and 8+ members of the ground-state quasiband. To test proposed collective properties, non-yrast states populated in this work are examined through their relative B(E2) values and mixing ratios. No evidence supporting the existence of strong intruder components has been found.

引用

页码：58 / 74

页数：17

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