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Collider Signature of T-quarks

Abstract : Little Higgs models with T Parity contain new vector-like fermions, the T-odd quarks or "T-quarks", which can be produced at hadron colliders with a QCD-strength cross section. Events with two acoplanar jets and large missing transverse energy provide a simple signature of T-quark production. We show that searches for this signature with the Tevatron Run II data can probe a significant part of the Little Higgs model parameter space not accessible to previous experiments, exploring T-quark masses up to about 400 GeV. This reach covers parts of the parameter space where the lightest T-odd particle can account for the observed dark matter relic abundance. We also comment on the prospects for this search at the Large Hadron Collider (LHC).
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http://hal.in2p3.fr/in2p3-00142143
Contributor : Dominique Girod <>
Submitted on : Tuesday, April 17, 2007 - 3:09:19 PM
Last modification on : Tuesday, November 19, 2019 - 2:46:55 AM

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M. Carena, J. Hubisz, M. Perelstein, P. Verdier. Collider Signature of T-quarks. Physical Review D, American Physical Society, 2007, 75, pp.091701. ⟨10.1103/PhysRevD.75.091701⟩. ⟨in2p3-00142143⟩

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