The production of the three normal neutrinos via e-e+ collision at Z-boson peak(neutrino production in a Z-factory) is investigated thoroughly. The differences of νe-pair production from νμ-pair and ντ-pair produ...The production of the three normal neutrinos via e-e+ collision at Z-boson peak(neutrino production in a Z-factory) is investigated thoroughly. The differences of νe-pair production from νμ-pair and ντ-pair production are presented in various aspects. Namely the total cross sections, relevant differential cross sections and the forwardbackward asymmetry etc. for these neutrinos are presented in terms of figures as well as numerical tables. The restriction on the room for the mixing of the three species of light neutrinos with possible externals(heavy neutral leptons and/or sterile neutrinos) from refined measurements of the invisible width of Z-boson is discussed.展开更多
Recently,the CMS and ATLAS collaborations have reported direct searches for the 125 GeV Higgs decay with lepton flavor violation,h→μτ.In this work,we analyze the signal of the lepton flavour violating（LFV） Higgs ...Recently,the CMS and ATLAS collaborations have reported direct searches for the 125 GeV Higgs decay with lepton flavor violation,h→μτ.In this work,we analyze the signal of the lepton flavour violating（LFV） Higgs decay h→μτ in the μ.from γ Supersyninietric Standard Model（μνSSM） with slepton flavor mixing.Simultaneously,we consider the constraints from the LFV decay τ→μγ,the muon anomalous magnetic dipole moment and the lightest Higgs mass around 125 GeV.展开更多
In a supersymmetric extension of the Standard Model where baryon and lepton numbers are local gauge symmetries（BLMSSM）, we deduce the Feynman rules for neutrinos and new neutralinos. We briefly introduce the mass ma...In a supersymmetric extension of the Standard Model where baryon and lepton numbers are local gauge symmetries（BLMSSM）, we deduce the Feynman rules for neutrinos and new neutralinos. We briefly introduce the mass matrices for the particles and the related couplings in this work, which are very useful to research the neutrinos and new neutralinos.展开更多
基金Supported by the National Natural Science Foundation of China(NNSFC) under Grant Nos.11275243,11147001,11275036,11047002,11205227the open project of State Key Laboratory of Theoretical Physics under Grant No.Y3KF311CJ1+1 种基金the Natural Science Foundation of Hebei province under Grant No.A2013201277Natural Science Foundation of Hebei University under Grant Nos.2011JQ05,2012-242.1
文摘The production of the three normal neutrinos via e-e+ collision at Z-boson peak(neutrino production in a Z-factory) is investigated thoroughly. The differences of νe-pair production from νμ-pair and ντ-pair production are presented in various aspects. Namely the total cross sections, relevant differential cross sections and the forwardbackward asymmetry etc. for these neutrinos are presented in terms of figures as well as numerical tables. The restriction on the room for the mixing of the three species of light neutrinos with possible externals(heavy neutral leptons and/or sterile neutrinos) from refined measurements of the invisible width of Z-boson is discussed.
基金Supported by Major Project of NNSFC(11535002) and NNSFC(11275036,11647120)the Open Project Program of State Key Laboratory of Theoretical Physics,Institute of Theoretical Physics,Chinese Academy of Sciences,China(Y5KF131CJ1)+1 种基金the Natural Science Foundation of Hebei province(A2013201277,A2016201010,A2016201069)Hebei Key Lab of Optic-Electronic Information and Materials,and Midwest Universities Comprehensive Strength Promotion Project
文摘Recently,the CMS and ATLAS collaborations have reported direct searches for the 125 GeV Higgs decay with lepton flavor violation,h→μτ.In this work,we analyze the signal of the lepton flavour violating（LFV） Higgs decay h→μτ in the μ.from γ Supersyninietric Standard Model（μνSSM） with slepton flavor mixing.Simultaneously,we consider the constraints from the LFV decay τ→μγ,the muon anomalous magnetic dipole moment and the lightest Higgs mass around 125 GeV.
基金Supported by Major Project of NNSFC(11535002)NNSFC(11275036)+3 种基金Natural Science Foundation of Hebei Province(A2016201010)Foundation of Hebei Province(BR2-201)the Natural Science Fund of Hebei University(2011JQ05,2012-242)Hebei Key Lab of Optic-Electronic Information and Materials,Midwest Universities Comprehensive Strength Promotion Project
文摘In a supersymmetric extension of the Standard Model where baryon and lepton numbers are local gauge symmetries（BLMSSM）, we deduce the Feynman rules for neutrinos and new neutralinos. We briefly introduce the mass matrices for the particles and the related couplings in this work, which are very useful to research the neutrinos and new neutralinos.
