首页> 外文期刊>International journal of modern physics, E. Nuclear physics >Nuclear transition matrix elements for neutrinoless double-beta decay of Ge-76 isotope within PHFB approach
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Nuclear transition matrix elements for neutrinoless double-beta decay of Ge-76 isotope within PHFB approach

机译:在PHFB方法中GE-76同位素的中性抑制核转换矩阵元素γ76同位素

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摘要

Employing projected-Hartree-Fock-Bogoliubov (PHFB) model, nuclear transition matrix elements (NTMEs) M-(K) for the neutrinoless double-beta(-) decay of Ge-76 isotope are calculated within mechanisms involving light as well as heavy Majorana neutrinos, and classical Majorons. By considering the spin-tensor decomposition of realistic KUO and empirical JUN45 effective two-body interactions, it is noticed that the effect due to SRC on NTMEs M-(0 nu) and M-(0N) involving the exchange of light and heavy Majorana neutrinos, respectively, is maximally incorporated by the central part of the effective two-body interaction, which varies by a small amount with the inclusion of spin-orbit and tensor components. Presently, the model-dependent uncertainties in the average NTMEs (M) over bar ((0 nu)) and (M) over bar ((0N)) turn out to be about 10% and 37%, respectively.
机译:使用预测的Hartree-Fock-bogoliubov(PHFB)模型,用于GE-76同位素的中性抑制双β( - )衰减的核转型基质元素(NTMES)M-(K)在涉及光的机制内计算出诸如厚度的机制 Majorana Neutrinos和古典的Majorons。 通过考虑旋转张力分解的现实kuo和经验的jun45有效的双体相互作用,注意到由于src对ntmes m-(0 nu)和m-(0n)的影响,涉及轻盈和重型马太蚌的交换 分别由有效的双体相互作用的中心部分最大地掺入中微子,其在包含旋转轨道和张量部件的情况下通过少量变化。 目前,平均NTMES(m)上的模型依赖性不确定性((0 nu))和(m)上方((0n))分别为约10%和37%。

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