Collider Signature of T-quarks

Details Collider Signature of T-quarks Collider Signature of T-quarks

2006-10-13

arxiv.org/abs/hep-ph/0610156v1

Phys.Rev.D75:091701,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 figures

Scientific paper

10.1103/PhysRevD.75.091701

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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