A search for low-lying mixed symmetry states in 140Nd

被引：0

作者：

Williams, E. ^{[1
]}

Casperson, R. J. ^{[1
]}

Werner, V. ^{[1
]}

Ai, H. ^{[1
]}

Boutachkov, P. ^{[2
]}

Chamberlain, M. ^{[1
,3
]}

Guerdal, G. ^{[1
,4
]}

Heinz, A. ^{[1
]}

McCutchan, E. A. ^{[1
]}

Qian, J. ^{[1
]}

Winkler, R. ^{[1
]}

机构：

[1] Yale Univ, WNSL, 272 Whitney Ave, New Haven, CT 06520 USA

[2] Rutgers State Univ, Dept Phys & Astrnom, New Brunswick, NJ 08903 USA

[3] Univ Surrey, Dept phys, Guildford GU2 5XH, Surrey, England

[4] Clark Univ, Worcester, MA 01610 USA

来源：

CAPTURE GAMMA-RAY SPECTROSCOPY AND RELATED TOPICS | 2009年 / 1090卷

关键词：

mixed symmetry states; collective models; angular correlations; PROTON; SCATTERING; MO-94; EXCITATIONS; SHELL; MODEL;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Multipole mixing ratios for transitions between excited 2(+) states and the 2(1)(+) state in Nd-140 are measured using angular correlation techniques for beta decay reactions. Two transitions with dominant M1 components are identified, and the higher-lying 2(+) states involved in these transitions are presented as candidates for the one-phonon mixed-symmetric 2(+) state in Nd-140. Assuming pure two-state mixing between the one-phonon 2(+) state and a presumed three-phonon symmetric state yields a mixing matrix element between these states, which is discussed in terms of shell effects on mixed-symmetric behavior in the N = 80 isotones.

引用

页码：268 / +

页数：2

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