Study of the Standard Model and Majorana neutrino contributions to

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英文篇名：Study of the Standard Model and Majorana neutrino contributions to 作者：李洪蕾 ; 路鹏程 ; 乔从丰 ; 司宗国 ; 王英 英文作者：Hong-Lei Li;Peng-Cheng Lu;Cong-Feng Qiao;Zong-Guo Si;Ying Wang;School of Physics and Technology, University of Jinan;School of Physics, Shandong University;School of Physical Sciences, University of Chinese Academy of Sciences;CAS Center for Excellence in Particle Physics;School of Science, Beijing University of Civil Engineering and Architecture; 英文关键词：B-meson rare decay;;Majorana neutrino;;lepton number violation;;new physics beyond Standard Model 中文刊名：KNWL 英文刊名：中国物理C 机构：School of Physics and Technology, University of Jinan;School of Physics, Shandong University;School of Physical Sciences, University of Chinese Academy of Sciences;CAS Center for Excellence in Particle Physics;School of Science, Beijing University of Civil Engineering and Architecture; 出版日期：2019-02-15 出版单位：Chinese Physics C 年：2019 期：v.43 基金：National Natural Science Foundation of China(11635009,11605075);; Natural Science Foundation of Shandong Province(ZR2017JL006) 语种：英文; 页：KNWL201902003 页数：8 CN：02 ISSN：11-5641/O4 分类号：12-19

摘要

Lepton number violation processes can be induced by the Majorana neutrino exchange, which provide evidence for the Majorana nature of neutrinos. In addition to the natural explanation of the small neutrino masses,Type-I seesaw mechanism predicts the existence of Majorana neutrinos. The aim of this work is to study the B meson rare decays B~+→K~((*))+μ~+μ~-in the Standard Model and its extensions, and then to investigate the same-sign decay process B~+→K~((*)-)μ~+μ~+. The corresponding dilepton invariant mass distributions are calculated. It is found that the dilepton angular distributions could shed light on the properties of new interactions induced by Majorana neutrinos.
        Lepton number violation processes can be induced by the Majorana neutrino exchange, which provide evidence for the Majorana nature of neutrinos. In addition to the natural explanation of the small neutrino masses,Type-I seesaw mechanism predicts the existence of Majorana neutrinos. The aim of this work is to study the B meson rare decays B~+→K~((*))+μ~+μ~-in the Standard Model and its extensions, and then to investigate the same-sign decay process B~+→K~((*)-)μ~+μ~+. The corresponding dilepton invariant mass distributions are calculated. It is found that the dilepton angular distributions could shed light on the properties of new interactions induced by Majorana neutrinos.

引文

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