Leptons and photons at the LHC: cascades through spinless adjoints

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dc.creatorDobrescu, Bogdan A.
dc.creatorKong, Kyoungchul
dc.creatorMahbubani, Rakhi
dc.date2007-03-21
dc.date.accessioned2026-07-07T11:59:13Z
dc.date.available2026-07-07T11:59:13Z
dc.descriptionWe study the hadron collider phenomenology of (1,0) Kaluza-Klein modes along two universal extra dimensions compactified on the chiral square. Cascade decays of spinless adjoints proceed through tree-level 3-body decays involving leptons as well as one-loop 2-body decays involving photons. As a result, spectacular events with as many as six charged leptons, or one photon plus four charged leptons are expected to be observed at the LHC. Unusual events with relatively large branching fractions include three leptons of same charge plus one lepton of opposite charge, or one photon plus two leptons of same charge. We estimate the current limit from the Tevatron on the compactification scale, set by searches for trilepton events, to be around 270 GeV.
dc.description33+1 pages, 14 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0703231
dc.identifierhttp://arxiv.org/abs/hep-ph/0703231
dc.identifierJHEP0707:006,2007
dc.identifierdoi:10.1088/1126-6708/2007/07/006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206485
dc.subjectHigh Energy Physics - Phenomenology
dc.titleLeptons and photons at the LHC: cascades through spinless adjoints
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