Constraining lepton flavor violating Higgs couplings at the HL-LHC in the vector boson fusion channel

Leptophilic dark matter at linear colliders

“…This induces LFV Higgs decays h → eµ, eτ, µτ which have been searched for at the LHC [7][8][9][10][11], leading to stringent bounds on the off-diagonal |Y i j |, which already surpass those coming from low-energy LFV observables, as shown in Fig. 1 for the µτ case [5]. The HL-LHC will further improve these bounds by a factor of few.…”

Studies of nonresonant Higgs pair production at electron-proton colliders

“…ATLAS [54] FCC-ee-Z [50] CMS [56] HL-LHC [57] e + e − collider [53] TABLE I. The current and future direct bounds on the lepton-flavor-violating decays of Z and the Higgs boson at the 95% C.L.…”