Neutrinoless double-β decay matrix elements in light nuclei

被引：63

作者：

Pastore, S. ^{[1
]}

Carlson, J. ^{[1
]}

Cirigliano, V. ^{[1
]}

Dekens, W. ^{[1
,2
]}

Mereghetti, E. ^{[1
]}

Wiringa, R. B. ^{[3
]}

机构：

[1] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA

[2] New Mexico Consortium, Los Alamos Res Pk, Los Alamos, NM 87544 USA

[3] Argonne Natl Lab, Phys Div, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW C | 2018年 / 97卷 / 01期

关键词：

MONTE-CARLO CALCULATIONS; HALF-LIFE; SEARCH;

D O I：

10.1103/PhysRevC.97.014606

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：

We present the first ab initio calculations of neutrinoless double-beta decay matrix elements in A = 6-12 nuclei using variational Monte Carlo wave functions obtained from the Argonne v18 two-nucleon potential and Illinois-7 three-nucleon interaction. We study both light Majorana neutrino exchange and potentials arising from a large class of multi-TeV mechanisms of lepton-number violation. Our results provide benchmarks to be used in testing many-body methods that can be extended to the heavy nuclei of experimental interest. In light nuclei we also study the impact of two-body short-range correlations and the use of different forms for the transition operators, such as those corresponding to different orders in chiral effective theory.

引用

页数：14

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