Gamow-Teller transition strengths in the intermediate nucleus of the 116Cd double-β decay by the 116Cd(p, n)116In and 116Sn(n, p)116In reactions at 300 MeV

被引：13

作者：

Sasano, M. ^{[1
,2
]}

Sakai, H. ^{[1
]}

Yako, K. ^{[1
]}

Wakasa, T. ^{[3
]}

Dozono, M. ^{[3
]}

Rodin, V. ^{[4
]}

Faessler, A. ^{[4
]}

Fujita, K. ^{[3
]}

Greenfield, M. B. ^{[5
]}

Hatanaka, K. ^{[6
]}

Itoh, K. ^{[7
]}

Kawabata, T. ^{[8
]}

Kuboki, H. ^{[1
]}

Maeda, Y. ^{[9
]}

Miki, K. ^{[1
]}

Muto, K. ^{[10
]}

Noji, S. ^{[1
]}

Okamura, H. ^{[6
]}

Sakemi, Y. ^{[11
]}

Sekiguchi, K. ^{[2
]}

Shimizu, Y. ^{[8
]}

Sasamoto, Y. ^{[8
]}

Tameshige, Y. ^{[6
]}

Tamii, A. ^{[6
]}

Uesaka, T. ^{[8
]}

机构：

[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[2] RIKEN Nishina Ctr, Wako, Saitama 3510198, Japan

[3] Kyushu Univ, Dept Phys, Higashi Ku, Fukuoka 8128581, Japan

[4] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany

[5] Int Christian Univ, Dept Phys, Mitaka, Tokyo 1818585, Japan

[6] Osaka Univ, RCNP, Osaka 5670047, Japan

[7] Saitama Univ, Dept Phys, Saitama 3388570, Japan

[8] Univ Tokyo, Ctr Nucl Study, Bunkyo Ku, Tokyo 1130033, Japan

[9] Miyazaki Univ, Dept Appl Phys, Miyazaki 8892192, Japan

[10] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528550, Japan

[11] Tohoku Univ, Ctr Cyclotron & Radioisotope, Aoba Ku, Sendai, Miyagi 9808578, Japan

来源：

PHYSICAL REVIEW C | 2012年 / 85卷 / 06期

关键词：

MULTIPOLE DECOMPOSITION; PERFORMANCE; SCATTERING;

D O I：

10.1103/PhysRevC.85.061301

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：

The double-differential cross sections for the Cd-116(p, n) and Sn-116(n, p) reactions were measured at 300 MeV for studying the nuclear matrix element of the Cd-116 beta beta decay. A multipole decomposition technique was applied to the spectra to extract the Gamow-Teller (GT) component. The integrated GT strengths up to an excitation energy of 30 MeV in the intermediate nucleus In-116 are 40 +/- 6 and 11 +/- 1 in the (p, n) and (n, p) spectra, respectively, including the component from the isovector spin monopole (IVSM). The spectra are compared with those obtained from a theoretical calculation with a quasiparticle random phase approximation, where the contribution from the IVSM component as well as the interference effect between the GT and IVSM components are fully taken into account.

引用

页数：5

共 19 条

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