Dark matter and Higgs boson collider implications of fermions in an Abelian-gauged hidden sector

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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. (C) 2009 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2009-09
Language
English
Article Type
Article
Citation

PHYSICS LETTERS B, v.680, no.1, pp.88 - 93

ISSN
0370-2693
DOI
10.1016/j.physletb.2009.08.010
URI
http://hdl.handle.net/10203/99224
Appears in Collection
PH-Journal Papers(저널논문)
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