论文标题
非宇宙计量的Lepton编号用于充电Lepton Masses层次结构和$（g-2）_ {e，μ} $
Non-universal gauged lepton number for charged lepton masses hierarchy and $(g-2)_{e,μ}$
论文作者
论文摘要
我们为分层充电的Lepton Masses和观察到的$（G-2）_ {E，μ} $构建了一种新颖的依赖风味的Lepton Lepton Number $ u（1）_ \ ell $型号。只有tau参与树级标准模型（SM）Yukawa的相互作用。同时，由于辐射产生的产生，电子和若子的质量是光的，并且（或）重剂抑制的Yukawa耦合到SM Higgs。可以解释若干元的测得的异常磁偶极矩，即$ \ trianglea_μ$，而且在此模型中也可以容纳正（或负）$ \ triangle a_e $。 如果没有引入其他离散对称性，则被带电的Lepton风味违反了$ U（1）_ \ Ell $对称性。对应两个同等可行的$ u（1）_ \ ell $ cardestments，此模型可以预测$ a_ {fb}^μ<a_ {fb}^fb}^τ<a_ {fb}^e $或$ a_ {fb}^u> a_> a__> a__> a_> a_> a_}在发现$ u（1）_ \ ell $ gauge玻色子之前的机器。此外，有效的MUON和Electron Yukawa耦合可以显着与SM预测显着不同，并且可以在将来的$ E^+E^ - $ calliders和高劳斯力LHC上探测这些偏差。
We construct a novel flavor-dependent gauged lepton number $U(1)_\ell$ model for the hierarchical charged lepton masses and the observed $(g-2)_{e,μ}$. Only tau participates in the tree-level Standard Model ( SM ) Yukawa interaction. At the same time, the masses of electron and muon are light due to radiative generation and(or) the heavy-mediator-suppressed Yukawa coupling to the SM Higgs. Not only can the measured anomalous magnetic dipole moment of the muon, $\triangle a_μ$, be explained, but the positive (or negative) $\triangle a_e$ can also be accommodated in this model. Without additional discrete symmetries introduced, charged lepton flavor violation is highly suppressed by the $U(1)_\ell$ symmetry. Corresponding to two equally viable $U(1)_\ell$ charge assignments, this model predicts either $A_{FB}^μ<A_{FB}^τ<A_{FB}^e$ or $A_{FB}^μ>A_{FB}^τ>A_{FB}^e$, which can be tested at the $e^+e^-$ machines before discovering the $U(1)_\ell$ gauge boson. Moreover, the effective muon and electron Yukawa couplings can depart significantly from the SM predictions, and those deviations could be probed at future $e^+e^-$ colliders and High-Luminosity LHC.
