Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-09-14
JHEP 1011:005,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 6 figures, discussion of QCD backgrounds added, version to appear in JHEP
Scientific paper
10.1007/JHEP11(2010)005
The production of doubly charged Higgs bosons (H^{\pm\pm}) at the CERN LHC can give rise to distinctive multi-lepton signatures. The discovery potential of H^{\pm\pm} can be optimized by considering a search strategy which is sensitive to both of the dominant production mechanisms, q\bar q\to H^{++}H^{--} and q\bar {q'}\to H^{\pm\pm}H^{\mp}. We compare the discovery potential for the signatures of exactly four leptons and at least three leptons in the final state, using the same set of cuts. We have carried out fast detector simulations at the LHC for both signal and backgrounds for a wide range of values of the charged Higgs mass. We find that the use of the latter channel can substantially improve the detection prospects of the doubly charged Higgs boson at the LHC.
Akeroyd Andrew G.
Chiang Cheng-Wei
Gaur Naveen
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