Singlet-Doublet Dark Matter

Cohen, Timothy ; /SLAC /Michigan U., MCTP ; Kearney, John ; Pierce, Aaron ; /Michigan U., MCTP ; Tucker-Smith, David ; /Williams Coll.

关键词: ANNIHILATION;    BOSONS;    CROSS SECTIONS;    DETECTION;    FERMIONS;    HADRONS;    HIGGS BOSONS;    NONLUMINOUS MATTER;    SCALARS;    STANDARD MODEL;    SUPERSYMMETRY Phenomenology-HEP;    HEPPH;   

DOI  :  10.2172/1035103
RP-ID  :  SLAC-PUB-14584
PID  :  OSTI ID: 1035103
Others  :  Other: arXiv:1109.2604
Others  :  TRN: US1201030

美国|英语

来源: SciTech Connect

【 摘 要 】

In light of recent data from direct detection experiments and the Large Hadron Collider, we explore models of dark matter in which an SU(2){sub L} doublet is mixed with a Standard Model singlet. We impose a thermal history. If the new particles are fermions, this model is already constrained due to null results from XENON100. We comment on remaining regions of parameter space and assess prospects for future discovery. We do the same for the model where the new particles are scalars, which at present is less constrained. Much of the remaining parameter space for both models will be probed by the next generation of direct detection experiments. For the fermion model, DeepCore may also play an important role.