Doubly-charged scalar in rare decays of the Bc meson

被引：5

作者：

Wang, Tianhong ^{[1
]}

Jiang, Yue ^{[1
]}

Wang, Zhi-Hui ^{[2
]}

Wang, Guo-Li ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China

[2] North Minzu Univ, Sch Elect & Informat Engn, Yinchuan 750021, Peoples R China

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 11期

基金：

中国国家自然科学基金;

关键词：

NEUTRINO MASSES; SALPETER METHOD; HIGGS BOSONS; VIOLATION; CONSTANTS; SYMMETRY; MIXINGS; PARITY; MODELS;

D O I：

10.1103/PhysRevD.97.115031

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we study the lepton number violation processes of B-c meson induced by possible doublycharged scalars. Both the three-body decay channels and the four-body decay channels are considered. For the former, the B-c (C) over bar -> D-s(+) mu(-) mu(-) channel has the largest branching fraction 9.19 x 10(-23), and for the later channels, the B-c (C) over bar -> B-s(0) pi(+) mu(-) mu(-) channel has the largest branching ratio 1.03 x 10(-27). These results are too small to be within the current experimental precision. However, they can provide a comparison in theory with the similar cases involving an off-shell Majorana neutrino.

引用

页数：8

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