Charged Higgs boson detection in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>τ</mml:mi><mml:mi>ν</mml:mi></mml:math>decay mode at future linear colliders

Hashemi, M.

doi:10.1103/physrevd.86.115002

Cited by 5 publications

(2 citation statements)

References 54 publications

(89 reference statements)

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“…Double Higgs or pair production of charged Higgs bosons at linear colliders, has been extensively investigated in the literature mainly in MSSM in the context of e + e − and µ + µ − colliders, [20][21][22][23].…”

Section: Charged Higgs Pair Productionmentioning

confidence: 99%

Sources of Charged Higgs Pair through Double or Triple Higgs Production at Linear Colliders

Ahmed

2017

Advances in High Energy Physics

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The production of triple Higgs (H + H − H 0 ), (H + H − h 0 ) and pair wise charged Higgs boson (H + H − ) is studied in the context of future linear colliders within the Two-Higgs Doublet Model (2HDM) type II. The aim is to compare sources of charged Higgs pair through the above processes, i.e., double and triple Higgs production. Cross-sections are calculated at the leading order in 2HDM type II and Minimal Supersymmetric Standard Model (MSSM). Several orders of magnitude (∼ 10 4 ) enhancement is observed in 2HDM compared to MSSM, while no sizable enhancement is seen in muon collider versus electron-positron collider. The analysis is based on a heavy charged Higgs with mass above 500 GeV. It is found that double charged Higgs production cross-section (being the same in 2HDM and MSSM) is few femtobarns while the triple Higgs production can not exceed a fraction of femtobarn within the parameter space under study.

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Section: Charged Higgs Pair Productionmentioning

confidence: 99%

Sources of Charged Higgs Pair through Double or Triple Higgs Production at Linear Colliders

Ahmed

2017

Advances in High Energy Physics

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“…Theoretical studies of the possibility of observation of a charged Higgs at various colliders are numerous [87][88][89][90][91] including analysis in the tb channel [92] which showed that a mass range of about 300 to 600 GeV for tan β = 30 may be observable with about 1000 fb −1 of integrated luminosity. The τ ν channel has also been studied [93,94]. Before we discuss the result of our analysis we describe the different codes utilized in simulation of the signals and backgrounds.…”

Section: Discovery Potential In the H ± → τ ν Channelmentioning

confidence: 99%

Naturalness, the hyperbolic branch, and prospects for the observation of charged Higgs bosons at high luminosity LHC and 27 TeV LHC

Aboubrahim

Nath

2018

Phys. Rev. D

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One of the early criterion proposed for naturalness was a relatively small MSSM Higgs mixing parameter µ with µ/M Z of the order of a few. A relatively small µ may lead to heavier Higgs masses (H 0 , A, H ± in MSSM) which are significantly lighter than other scalars such as squarks. Such a situation is realized on the hyperbolic branch of radiative breaking of the electroweak symmetry. In this analysis we construct supergravity unified models with relatively small µ in the sense described above and discuss the search for the charged Higgs boson H ± at HL-LHC and HE-LHC where we also carry out a relative comparison of the discovery potential of the two using the decay channel H ± → τ ν. It is shown that an analysis based on the traditional linear cuts on signals and backgrounds is not very successful in extracting the signal while, in contrast, machine learning techniques such as boosted decision trees prove to be far more effective. Thus it is shown that models not discoverable with the conventional cut analyses become discoverable with machine learning techniques. Using boosted decision trees we consider several benchmarks and analyze the potential for their 5σ discovery at the 14 TeV HL-LHC and at 27 TeV HE-LHC. It is shown that while the ten benchmarks considered with the charged Higgs boson mass in the range 373 GeV-812 GeV are all discoverable at HE-LHC, only four of the ten with Higgs boson masses in the range 373 GeV-470 GeV are discoverable at HL-LHC. Further, while the model points discoverable at both HE-LHC and HL-LHC would require up to 7 years of running time at HL-LHC, they could all be discovered in a period of few months at HE-LHC. The analysis shows that a transition from HL-LHC to HE-LHC when technologically feasible would expedite the discovery of the charged Higgs for the benchmarks considered in this work. We note that the observation of a charged Higgs boson with mass in the range indicated would lend support to the idea of naturalness defined by a relatively small µ and further, it will lend support to radiative breaking of the electroweak symmetry occurring on the hyperbolic branch. *

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Parameter dependence and analysis of the 2HDM neutral Higgs boson pair production and decay at future lepton colliders

Hashemi

Ghalati

2022

Physics Letters B

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Charged Higgs boson detection in theτνdecay mode at future linear colliders

Cited by 5 publications

References 54 publications

Sources of Charged Higgs Pair through Double or Triple Higgs Production at Linear Colliders

Sources of Charged Higgs Pair through Double or Triple Higgs Production at Linear Colliders

Naturalness, the hyperbolic branch, and prospects for the observation of charged Higgs bosons at high luminosity LHC and 27 TeV LHC

Parameter dependence and analysis of the 2HDM neutral Higgs boson pair production and decay at future lepton colliders

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