2-NEUTRINO DOUBLE-BETA DECAY TRANSITION TO A 2(+) EXCITED-STATE

被引：12

作者：

BOBYK, A

KAMINSKI, WA

机构：

[1] Inst. of Phys., Marie Curie-Sklodowska Univ., Lublin

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1995年 / 21卷 / 02期

关键词：

D O I：

10.1088/0954-3899/21/2/009

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 Gamow-Teller matrix elements of 2 nu beta beta transitions to a 2(1)(+) final excited state has been calculated within the QRPA formalism for Ge-76 and Xe-136. The relative stability of the calculation with respect to the particle-particle interaction strength is confirmed; on the other hand, the results are strongly dependent on the choice of the single-particle energy levels. A plausible explanation of such behaviour, originating in the interference of the individual contributions due to the third power of the energy denominator, has been proposed.

引用

页码：229 / 235

页数：7

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