Nuclear Physics B ( IF 2.8 ) Pub Date : 2020-12-17 , DOI: 10.1016/j.nuclphysb.2020.115280 Chong Xing Yue , Xue Jia Cheng
Many new physics scenarios predict the existence of the extra charged gauge boson , which can induce the charged-current (CC) non-standard neutrino interactions (NSI). We investigate the constraints on the CC NSI in model-independent fashion via considering the contributions to the lepton flavor violating (LFV) decays , the pure leptonic flavor conservation (FC) decays , leptonic decays of charged pion meson, semileptonic τ decays, and superallowed β decays. We find that the constraints on the pure leptonic CC NSI are generally stronger than the ones for the CC NSI with first generation quarks. The most stringent constraints on the CC NSI arise from the LFV decay . The constraints on the CC NSI from direct searches at the LHC are also discussed.
中文翻译:
规范玻色子W ′对带电电流非标准中微子相互作用的约束
许多新的物理场景预测存在额外带电的玻色子 ,这可能会导致充电电流(CC)非标准中微子相互作用(NSI)。我们通过考虑以下因素,以模型无关的方式调查CC NSI的约束。 对轻子风味破坏(LFV)衰减的贡献 ,纯轻子香精保守性(FC)下降 ,带电介子的轻子衰变,半轻子τ衰变和超允许β衰变。我们发现,对纯轻子CC NSI的约束通常要强于第一代夸克的CC NSI。CC NSI上最严格的约束来自LFV衰减。还讨论了LHC直接搜索对CC NSI的约束。