Higgs searches and singlet scalar dark matter: Combined constraints from XENON 100 and the LHC

By Y. Mambrini. 2011

179 citations recorded by the source corpus.

XENON100 and the LHC are two of the most promising machines to test the physics beyond the Standard Model. In the meantime, indirect hints push us to believe that the dark matter and Higgs boson could be the two next fundamental particles to be discovered. Whereas ATLAS and CMS have just released their new limits on the Higgs searches, XENON100 obtained very recently strong constraints on DM-proton elastic scattering. In this work, we show that when we combined WMAP and the most recent results of XENON100, the invisible width of the Higgs to scalar dark matter is negligible($\lesssim 10%$), except in a small region with very light dark matter ($\lesssim 10$ GeV) not yet excluded by XENON100 or around 60 GeV where the ratio can reach 50% to 60%. The new results released by the Higgs searches of ATLAS and CMS set very strong limits on the elastic scattering cross section, even restricting it to the region $8 \times 10^{-46} \mrm{cm^2} \lesssim \sigma_{S-p}^{SI}\lesssim 2 \times 10^{-45} \mrm{cm^{2}}$ in the hypothesis $135 \mrm{GeV} \lesssim M_H \lesssim 155 \mrm{GeV}$.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/82a518660e397d6c8d18606ff1a0e7c421ea1b5d

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Citations in the corpus

Dark Matter through the Higgs portal (2019, background): “If the DM particle is not charged under the electroweak group, the Higgs sector of the theory allows to accommodate in a minimal way the interaction among pairs of DM and of SM particles [51–91].”
Reconstructing Higgs boson properties from the LHC and Tevatron data (2012, background): “New physics can easily give a large effect providing an extra invisible [41–43] Higgs boson decay channel, for example into dark matter particles [43–45, 45–59].”
Status of invisible Higgs decays (2013, unknown): “[27–32].”
Benchmarks for dark matter searches at the LHC (2014, background): “The case of DM that couples to the SM sector only though interactions with the Higgs boson has been discussed extensively in the literature [65–86].”