High Energy Theory Seminar
25 March 2011
Jay Hubisz (Syracuse)
SUSY digs up a buried Higgs
Abstract:
The Higgs boson may dominantly decay to 4 light jets through a light
pseudo-scalar intermediary: h → 2η → 4j, making
reconstruction at the LHC particularly challenging. We explore the
phenomenology of such "Buried Higgs" scenarios in which the primary
discovery channel of the Higgs is in cascade decays of superpartners.
QCD backgrounds that would otherwise overwhelm the Higgs decay are
suppressed by the requirement of high pT jets, and large missing
transverse momentum that are the typical signatures of TeV scale
supersymmetry. We also discuss utilizing jet substructure techniques to
isolate the Higgs signal from hadronically decaying SM electroweak
gauge bosons.
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