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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
An updated analysis of Inert Higgs Doublet Model in light of the recent results from LUX, PLANCK, AMS-02 and LHC
Journal of Cosmology and Astroparticle Physics, Volume 2014, No. 6, Article 030, Year 2014
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Description
In light of the recent discovery by the ATLAS and CMS experiments at the Large Hadron Collider (LHC) of a Higgs-like particle with a narrow mass range of 125-126 GeV, we perform an updated analysis on one of the popular scalar dark matter models, the Inert Higgs Doublet Model (IHDM). We take into account in our likelihood analysis of various experimental constraints, including recent relic density measurement, dark matter direct and indirect detection constraints as well as the latest collider constraints on the invisible decay width of the Higgs boson and monojet search at the LHC. It is shown that if the invisible decay of the standard model Higgs boson is open, LHC as well as direct detection experiments like LUX and XENON100 could put stringent limits on the Higgs boson couplings to dark matter. We find that the most favoured parameter space for IHDM corresponds to dark matter with a mass less than 100 GeV or so. In particular, the best-fit points are at the dark matter mass around 70 GeV where the invisible Higgs decay to dark matter is closed. Scalar dark matter in the higher mass range of 0.5-4 TeV is also explored in our study. Projected sensitivities for the future experiments of monojet at LHC-14, XENON1T and AMS-02 one year antiproton flux are shown to put further constraints on the existing parameter space of IHDM. © 2014 IOP Publishing Ltd and Sissa Medialab srl.
Authors & Co-Authors
Arhrib, Abdesslam
Morocco, Tangier
Faculté Des Sciences et Techniques de Tanger
Taiwan, Taipei
Academia Sinica, Institute of Physics
Tsai, Yue Lin Sming
Taiwan, Taipei
Academia Sinica, Institute of Physics
Japan, Tokyo
The University of Tokyo
Yuan, Qiang
China, Beijing
Institute of High Energy Physics, Chinese Academy of Sciences
China, Nanjing
Purple Mountain Observatory Chinese Academy of Sciences
Yuan, Tzu Chiang
Taiwan, Taipei
Academia Sinica, Institute of Physics
Statistics
Citations: 180
Authors: 4
Affiliations: 5
Identifiers
Doi:
10.1088/1475-7516/2014/06/030
e-ISSN:
14757516