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Same-sign tetra-leptons in type II seesaw at the LHC

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arxiv 1304.5059 v1 pith:EYAPYKWH submitted 2013-04-18 hep-ph

Same-sign tetra-leptons in type II seesaw at the LHC

classification hep-ph
keywords chargedhiggssame-signdoublysignalbosonmassproduction
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In type II seesaw model of neutrino mass generation, we study a remarkable signal of same-sign tetra-lepton (SS4L) signal at the Large hadron collider. When doubly charged Higgs is lightest, the heavier singly charged or neutral Higgs boson produces a doubly charged Higgs boson through its fast gauge decay. This leads to a novel signature of same-sign tetra-leptons resulting from a pair production of same-sign doubly charged Higgs bosons. We study production cross section for the SS4L signal in parameter space of the mass splitting among triplet components and the triplet vacuum expectation value at the LHC.

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