The \(\tau\) Magnetic Dipole Moment at Future Lepton Colliders

Letters in High Energy Physics

Tim M. P. Tait¹  Arvind Rajaraman¹  Jessica N Howard¹  Rebecca Riley¹ 

[1] University of California, Irvine;

关键词: Lepton Collider;    Magnetic Moment;   

DOI  :  10.31526/lhep.2.2019.113

来源: DOAJ

【 摘 要 】

The magnetic moment of the $\tau$ lepton is an interesting quantity that is potentially sensitive to physics beyond the Standard Model. Electroweak gauge invariance implies that a heavy new physics contribution to it takes the form of an operator which involves the Higgs boson, implying that rare Higgs decays are able to probe the same physics as $a_\tau$. We examine the prospects for rare Higgs decays at future high energy lepton (electron or muon) colliders, and find that such a project collecting a few ab$^{-1}$ would be able to advance our understanding of this physics by roughly a factor of 10 compared to the expected reach of the high luminosity LHC.

【 授权许可】

Unknown