分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:We propose a realistic flipped SU(5) model derived from a five-dimensional orbifold SO(10) model. The Standard Model (SM) fermion masses and mixings are explained by combining the traditional Froggatt-Nielsen mechanism with the five-dimensional wave funct
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:Cosmic ray anomalies observed by PAMELA and Fermi-LAT experiments may be interpreted by heavy (TeV-scale) dark matter annihilation enhanced by Sommerfeld effects mediated by a very light (sub-GeV) U(1)_X gauge boson, while the recent direct searches from
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:We propose the SUSY SU(7) unification of the SU(3)_C* SU(4)_W* U(1)_{B-L} model. Such unification scenario has rich symmetry breaking chains in a five-dimensional orbifold. We study in detail the SUSY SU(7) symmetry breaking into SU(3)_C* SU(4)_W* U(1)_{B
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:We propose semi-direct Gauge-Yukawa mediation of supersymmetry (SUSY) breaking. The messenger fields mediating SUSY breaking to the visible sector do not directly couple with the goldstino field, and instead they have gauge and Yukawa interactions with so
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:The maximal U(1)LU(1)LU(1)_L supersymmetric inverse seesaw mechanism (MLSIS) provides a natural way to relate asymmetric dark matter (ADM) with neutrino physics. In this paper we point out that MLSIS is a natural outcome if one dynamically realizes the in
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:We provide a minimal solution to the mu/B_mu problem in the gauge mediated supersymmetry breaking by introducing a Standard Model singlet filed S with a mass around the messenger scale which couples to the Higgs and messenger fields. This singlet is nearl
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:To obtain a SM-like Higgs boson around 125 GeV in the Minimal Supersymmetric Standard Model with minimal gauge mediation of supersymmetry breaking (GMSB), a heavy stop at multi-TeV level is needed and incurs severe fine-tuning, which can be ameliorated in
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:To understand the origin of the left–right symmetry, we study a partial unification model based on SU ( 4 ) W × U ( 1 ) B ? L which can be broken down to the minimal left–right model either through the Higgs mechanism in four dimensions or through the fiv
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:We embed the minimal left-right model SU(2)_L\times SU(2)_R\times U(1)_{B-L} into an SU(4)_W gauge group, and break the unified group via five-dimensional S^1/(Z_2\times Z_2) orbifolding. Leptons are fitted into SU(4)_W multiplets and located on a symmetr
分类: 分类: 物理学 >> 基本粒子与场物理学 提交时间: 2016-12-28
摘要:We propose a realistic flipped SU(5) model derived from a five-dimensional orbifold SO(10) model. The Standard Model (SM) fermion masses and mixings are explained by combining the traditional Froggatt-Nielsen mechanism with the five-dimensional wave funct