IPM Calendar 
Sunday 25 July 2021   Today  
Events for day: Monday 29 June 2020    
           11:00 - 12:00     Journal Club: Experiment & Phenomenology-skyroom
Multilepton signatures for scalar dark matter searches in coannihilation scenario


Based on : 1909.12298 [hep-ph]

( Published in: Phys. Rev. D 101, 115034)

Abstract: We revisit the scalar singlet dark matter (DM) scenario with a pair of dark lepton partners which form a vectorlike Dirac fermionic doublet. The extra doublet couples with the Standard Model (SM) leptonic doublet and the scalar singlet via a non-SM-like Yukawa structure. As a result, (i) since the extra fermionic states interact with other dark sector particles as well as the SM via gauge and Yukawa interactions, it gives rise to new DM annihilation processes including pair annihilation as well as coannihilation channels, ...