Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP01(2017)018
Keywords
Beyond Standard Model; Higgs Physics
Categories
Funding
- Research Grants Council of Hong Kong S.A.R. [HUKST4/CRF/13G, 16304315, 16312716]
- U.S. DOE [DE-SC0014129, DE-SC0011702]
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We present strategies to search for heavy neutral Higgs bosons decaying to top quark pairs, as often occurs at low tan beta in type II two Higgs doublet models such as the Higgs sector of the MSSM. The resonant production channel is unsatisfactory due to interference with the SM background. We instead propose to utilize same-sign dilepton signatures arising from the production of heavy Higgs bosons in association with one or two top quarks and subsequent decay to a top pair. We find that for heavier neutral Higgs bosons the production in association with one top quark provides greater sensitivity than production in association with two top quarks. We obtain current limits at the LHC using Run I data at 8TeV and forecast the sensitivity of a dedicated analysis during Run II at 14TeV. Then we perform a detailed BDT study for the 14TeV LHC and a future 100TeV collider.
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