期刊
PHYSICAL REVIEW D
卷 84, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.84.035004
关键词
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资金
- Department of Energy [DE-FG02-04ER-41298]
- NSF [PHY-0653656, PHY-0709742]
- Division Of Physics
- Direct For Mathematical & Physical Scien [970173] Funding Source: National Science Foundation
We discuss same-sign dilepton resonances in the simplified model approach. The relevant SU(3)(Q)(J) quantum numbers are 1(2)(0,1,2). For simplicity, we only consider a spin 0 scalar, which is typically referred to as a doubly charged Higgs in the literature. We consider the three simplest cases where the doubly charged Higgs resides in a singlet, doublet or triplet SU(2)(L) representation. We discuss production and decay of such a doubly charged Higgs, summarize the current direct search limits, and obtain mass limits in the cases of singlet and doublet for the first time. We also present a complete set of updated indirect search limits. We study the discovery potential at the Large Hadron Collider (LHC) with center of mass energies 7 and 14 TeV for the dominant Drell-Yan pair production with H-+/-+/- decay in the ee and mu mu channels. We find that at 7 TeV, the LHC with 10 fb(-1) luminosity can probe mass of the doubly charged Higgs up to 380 GeV assuming 100% decay to leptons. At 14 TeV, the LHC with 100 fb(-1) luminosity can reach a mass of up to 800 GeV.
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