Gamow-Teller strength distribution near 100Sn.: The beta decay of 102In

被引：24
|
作者：
Gierlik, M
Plochocki, A
Karny, M
Urban, W
Janas, Z
Batist, L
Moroz, F
Collatz, R
Górska, M
Grawe, H
Hellström, M
Hu, Z
Kirchner, R
Liu, W
Rejmund, M
Roeckl, E
Shibata, M
Agramunt, J
Algora, A
Gadea, A
Rubio, B
Tain, JL
Cano-Ott, D
Harissopulos, S
机构：
[1] Univ Warsaw, Inst Expt Phys, PL-00681 Warsaw, Poland
[2] St Petersburg Nucl Phys Inst, Gatchina 188350, Russia
[3] Gesell Schwerionenforsch mbH, D-64291 Darmstadt, Germany
[4] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46003 Valencia, Spain
[5] CIEMAT, E-28040 Madrid, Spain
[6] NCSR Demokritos, Inst Nucl Phys, GR-15310 Athens, Greece
来源：
NUCLEAR PHYSICS A | 2003年 / 724卷 / 3-4期
关键词：
In-102 (from Cr-50(Ni-58; xpyn)); measured E-gamma; I-gamma; deduced beta-intensity and beta-strength distribution on-line mass separation; total absorption spectrometer; NaI(Tl) detectors; Ge detector; Si detectors; Cd-102; In-102; Gamow-Teller strength;
D O I：
10.1016/S0375-9474(03)01572-0
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：
In two complementary measurements, an array of high-resolution germanium detectors and a total-absorption gamma-spectrometer were used to investigate the beta decay of In-102, a one proton-hole, three-neutron particle nucleus with respect to the Sn-100 core. A total of 509 beta-delayed gamma rays (494 new) were observed for In-102, and a scheme comprising 234 levels (223 new) was constructed for the decay daughter Cd-102. The Q(EC) value of the decay and the half-life were determined, the latter one being 23.3(1) s. The summed Gamow-Teller strength deduced from the high-resolution experiment is as low as 0.60 +/- 0.07 +/- 0.11 compared to a value of 4.70 +/- 0.05 +/- 0.20 +/- 1.0 obtained from the total absorption measurement, and to a shell-model prediction of 13.3. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：313 / 332
页数：20
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