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

页码：313 / 332

页数：20

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