August 28, 2011 to September 2, 2011
US/Central timezone
Slides available on Indico -- there are no formal proceedings

Dark Light Higgs

Sep 1, 2011, 2:30 PM
D: Wilson Hall 1 North

D: Wilson Hall 1 North

SUSY: phenomenology Parallel Session 9


Dr Tao Liu (Department of Physics, UC@Santa Barbara)


We discovered a benchmark scenario in the NMSSM which possesses novel Higgs and dark matter (DM) properties. There naturally co-exist three light singlet-like particles in this scenario: a scalar, a pseudoscalar, and their superpartner, all with masses of order 0.1-10 GeV. New non-standard decay channel is opened for the Standard Model (SM)-like Higgs boson, while its pair-decays to the light scalars or pseudoscalars are generically suppressed. This will dramatically change our search strategies for the SM-like and light Higgs bosons at colliders. In addition, this scenario is characterized by a light siglino-like DM candidate (~ 1-10 GeV). For a certain parameter window annihilation into the light pseudoscalar and exchange of the light scalar with nucleons allow the singlino to achieve the correct relic density and a (spin-independent) direct detection cross section as large as 10^{-40} cm2 simultaneously, which is accessible to the current direct detections (e.g., CoGeNT and DAMA) or the ones in the near future.

Primary author

Dr Tao Liu (Department of Physics, UC@Santa Barbara)


Prof. Carlos Wagner (University of Chicago) Dr Hao Zhang (Peking Univ.) Prof. Liantao Wang (University of Chicago) Dr Patrick Draper (UC, Santa Cruz)

Presentation materials