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
Using the Dyson-Schwinger equation and perturbation theory, we calculate the mixed quark-gluon condensates in the chiral limit and in the case of nonzero quark current mass for the light quark u/d and strange quark s....Using the Dyson-Schwinger equation and perturbation theory, we calculate the mixed quark-gluon condensates in the chiral limit and in the case of nonzero quark current mass for the light quark u/d and strange quark s. The results show that the mixed quark-gluon condensate will decrease when the quark mass increases. For the quark with zero mass, we obtain mo2 = g（qσuvGuvq）/（qq） 0.68 GeV2, which is in good agreement with the QCD sum rules estimate mo2=（0.8± 0.2） GeV2.展开更多
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.
基金Supported in part by the Key Research Plan of Theoretical Physics and Cross Science of China under Grant No. 90503011National Science Foundation under Grant No. 10775012
文摘Using the Dyson-Schwinger equation and perturbation theory, we calculate the mixed quark-gluon condensates in the chiral limit and in the case of nonzero quark current mass for the light quark u/d and strange quark s. The results show that the mixed quark-gluon condensate will decrease when the quark mass increases. For the quark with zero mass, we obtain mo2 = g（qσuvGuvq）/（qq） 0.68 GeV2, which is in good agreement with the QCD sum rules estimate mo2=（0.8± 0.2） GeV2.
