Gamma-ray spectroscopy of hypernuclei - present and future

被引：23

作者：

Tamura, H. ^{[1
]}

Hosomi, K. ^{[1
]}

Bufalino, S. ^{[2
]}

Chiga, N. ^{[1
]}

Evtoukhovitch, P. ^{[3
]}

Feliciello, A. ^{[2
]}

Honda, R. ^{[1
]}

Koike, T. ^{[1
]}

Ma, Y. ^{[4
]}

Miwa, K. ^{[1
]}

Sasaki, A. ^{[1
]}

Sasaki, Y. ^{[1
]}

Shirotori, K. ^{[5
]}

Tanida, K. ^{[6
]}

Tsamalaidze, Z. ^{[3
]}

Ukai, M. ^{[1
]}

Yamamoto, T. O. ^{[1
]}

Yang, S. B. ^{[6
]}

机构：

[1] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[2] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

[3] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia

[4] RIKEN, Wako, Saitama 3510198, Japan

[5] Nucl Phys Res Ctr, Ibaraki, Osaka 5670047, Japan

[6] Seoul Natl Univ, Dept Phys & Astron, Seoul 151747, South Korea

来源：

NUCLEAR PHYSICS A | 2013年 / 914卷

关键词：

Lambda hypernuclei; gamma-Ray spectroscopy; Lambda N interaction; Impurity effect; J-PARC; LAMBDA-HYPERNUCLEI; C-12(LAMBDA); MODEL; B-11(LAMBDA); TRANSITIONS;

D O I：

10.1016/j.nuclphysa.2013.03.014

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：

Recent results and future directions of the gamma-ray spectroscopy of Lambda hypernuclei are discussed. A further analysis of the last KEK experiment (E566) has revealed a new gamma transition in C-Lambda(12) at 6048 keV (preliminary), which is ascribed to the M1(1(3)(-) > 1(1)(-)) transition. At J-PARC, studies will be extended from p-shell to s-shell and sd-shell hypernuclei. In the first part of the J-PARC El3 experiment, we will measure the He-4(Lambda)(1(+) -> 0(+)) transition to study charge-symmetry breaking in the Lambda N interaction and investigate the F-19(Lambda) hypernucleus to study Lambda N spin-spin interaction further using one of the sd-shell hypernuclei. In the second part of E13, we will precisely measure the spin-flip B(M1) value for the Li-7(Lambda)(3/2(+) -> 1/2(+)) transition. Beyond E13, we plan to study impurity effects by observing possible changes in nuclear deformation caused by the presence of a Lambda in sd-shell hypernuclei, as well as to investigate various heavier Lambda hypernuclei in order to precisely determine the energies of Lambda single-particle orbits. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：99 / 108

页数：10

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