Dark matter and Higgs boson collider implications of fermions in an Abelian-gauged hidden sector |
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| Authors: | Shrihari Gopalakrishna Seung J. Lee James D. Wells |
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| Affiliation: | aPhysics Department, Brookhaven National Laboratory, Upton, NY 11973, United States;bDepartment of Particle Physics, Weizmann Institute of Science, Rehovot 76100, Israel;cCERN Theoretical Physics (PH-TH), CH-1211 Geneva 23, Switzerland;dMCTP, University of Michigan, Ann Arbor, MI 48109, United States |
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| Abstract: | We add fermions to an Abelian-gauged hidden sector. We show that the lightest can be the dark matter with the right thermal relic abundance, and discovery is within reach of upcoming dark matter detectors. We also show that these fermions change Higgs boson phenomenology at the Large Hadron Collider (LHC), and in particular could induce a large invisible width to the lightest Higgs boson state. Such an invisibly decaying Higgs boson can be discovered with good significance in the vector boson fusion channel at the LHC. |
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