Matrix elements for the ground-state to ground-state 2νβ-β- decay of Te isotopes in a hybrid model

被引：10

作者：

Bes, D. R. ^{[1
]}

Civitarese, O. ^{[2
]}

机构：

[1] Comis Nacl Energia Atom, Ctr Atom Constituyentes, Dept Phys, Tandar Lab, RA-1650 Gral San Martin, Argentina

[2] Univ La Plata, Dept Phys, RA-1900 La Plata, Argentina

来源：

PHYSICAL REVIEW C | 2010年 / 81卷 / 01期

关键词：

DOUBLE-BETA DECAY; SUPPRESSION; TABLES; HE-3;

D O I：

10.1103/PhysRevC.81.014315

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：

Theoretical matrix elements, for the ground-state to ground-state two-neutrino double-beta-decay mode (2 nu beta(-) beta(-)gs -> gs) of Te-128,Te-130 isotopes, are calculated within a formalism that describes interactions between neutrons in a superfluid phase and protons in a normal phase. The elementary degrees of freedom of the model are proton-pair modes and pairs of protons and quasineutrons. The calculation is basically a parameter-free one, because all relevant parameters are fixed from the phenomenology. A comparison with the available experimental data is presented.

引用

页数：12

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