论文标题
根据LHC结果
Proton Lifetime in Minimal SUSY SU(5) in Light of LHC Results
论文作者
论文摘要
我们检查了由Color-Triplet Higgsinos介导的质子衰减，这些质子是在最小的超对称$ SU（5）$ Grand Unified理论的，鉴于发现了Higgs Boson和LHC上没有SUSY信号。我们特别注意由影响颜色的higgsino质量的普朗克抑制操作员产生的各种阈值效应，并纠正了光质费米子的错误质量关系。我们的分析允许与前两个家庭相比，第三个家庭标量与第三个家庭标量具有单独的质量。我们确定模型的允许参数空间，并表明SUSY标量质量受质子寿命的当前限制的约束，高于5 TEV，而Glunio，Wino和Higgsinos可能在LHC的范围内。当需要Susy标量质量为$ \ leq 20 $ tev，以便它们在下一代撞机实验的范围内，我们发现衰减$ p \ rightarrow \ rightArrow \ rightArrow \rightllineνk^+$的质子寿命由$τ（p \ rightArrow \ rightArrow \ rightArrow \ rightArrow \ rightArrow \ rightLineC k^+）\ lineinz k^+）\ leq 1.11 \ yq 1.11 \ yr。
We examine proton decay mediated by color-triplet Higgsinos in minimal supersymmetric $SU(5)$ grand unified theory in light of the discovery of the Higgs boson and the absence of SUSY signals at the LHC. We pay special attention to various threshold effects arising from Planck-suppressed operators that affect the color-triplet Higgsino mass and also correct the wrong mass relations for the light fermions. Our analysis allows for a non-universal SUSY spectrum with the third family scalars having a separate mass compared to the first two families. We identify the allowed parameter space of the model and show that the SUSY scalar masses are constrained by current limits from proton lifetime to be above 5 TeV, while the glunio, Wino and the Higgsinos may be within reach of the LHC. When the SUSY scalar masses are required to be $\leq 20$ TeV, so that they are within reach of next generation collider experiments, we find that proton lifetime for the decay $p \rightarrow \overlineν K^+$ is bounded by $τ(p \rightarrow \overlineν K^+) \leq 1.1 \times 10^{35}$ yrs.
