scholarly journals Search for charged Higgs bosons produced in association with a top quark and decaying via H±→τν using pp collision data recorded at s=13 TeV by the ATLAS detector

2016 ◽  
Vol 759 ◽  
pp. 555-574 ◽  
Author(s):  
M. Aaboud ◽  
G. Aad ◽  
B. Abbott ◽  
J. Abdallah ◽  
O. Abdinov ◽  
...  
Keyword(s):  
Top Quark ◽  
Atlas Detector ◽  
Higgs Bosons ◽  
Charged Higgs ◽  
Charged Higgs Bosons

scholarly journals Search for charged Higgs bosons decaying into a top quark and a bottom quark at $$ \sqrt{\mathrm{s}} $$ = 13 TeV with the ATLAS detector

2021 ◽  
Vol 2021 (6) ◽  
Author(s):  
◽  
G. Aad ◽  
B. Abbott ◽  
D. C. Abbott ◽  
A. Abed Abud ◽  
...  
Keyword(s):  
Higgs Boson ◽  
Top Quark ◽  
Production Cross ◽  
Bottom Quark ◽  
Branching Ratio ◽  
Charged Higgs Boson ◽  
Atlas Detector ◽  
Higgs Bosons ◽  
Charged Higgs ◽  
Charged Higgs Bosons

Abstract A search for charged Higgs bosons decaying into a top quark and a bottom quark is presented. The data analysed correspond to 139 fb−1 of proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV, recorded with the ATLAS detector at the LHC. The production of a heavy charged Higgs boson in association with a top quark and a bottom quark, pp → tbH+ → tbtb, is explored in the H+ mass range from 200 to 2000 GeV using final states with jets and one electron or muon. Events are categorised according to the multiplicity of jets and b-tagged jets, and multivariate analysis techniques are used to discriminate between signal and background events. No significant excess above the background-only hypothesis is observed and exclusion limits are derived for the production cross-section times branching ratio of a charged Higgs boson as a function of its mass; they range from 3.6 pb at 200 GeV to 0.036 pb at 2000 GeV at 95% confidence level. The results are interpreted in the hMSSM and $$ {M}_h^{125} $$ M h 125 scenarios.

scholarly journals Top quark polarization as a probe of charged Higgs bosons

2018 ◽  
Vol 98 (11) ◽  
Author(s):  
Abdesslam Arhrib ◽  
Adil Jueid ◽  
Stefano Moretti
Keyword(s):  
Top Quark ◽  
Higgs Bosons ◽  
Charged Higgs ◽  
Charged Higgs Bosons

scholarly journals Searching for heavy charged Higgs bosons through top quark polarization

2020 ◽  
Vol 35 (15n16) ◽  
pp. 2041011 ◽  
Author(s):  
Abdesslam Arhrib ◽  
Adil Jueid ◽  
Stefano Moretti
Keyword(s):  
Higgs Boson ◽  
Top Quark ◽  
Hadron Collider ◽  
Underlying Mechanism ◽  
Charged Higgs Boson ◽  
Higgs Bosons ◽  
Type I ◽  
Chiral Structure ◽  
Charged Higgs ◽  
Charged Higgs Bosons

We study the production of a heavy charged Higgs boson at the Large Hadron Collider (LHC) in [Formula: see text] within a 2-Higgs Doublet Model (2HDM). The chiral structure of the [Formula: see text] coupling can trigger a particular spin state of the top quark produced in the decay of a charged Higgs boson and, therefore, is sensitive to the underlying mechanism of the Electroweak Symmetry Breaking (EWSB). Taking two benchmark models (2HDM type-I and 2HDM type-Y) as an example, we show that inclusive rates, differential distributions and forward–backward asymmetries of the top quark’s decay products can be used to search for heavy charged Higgs bosons and also as model discriminators.

SEARCH FOR CHARGED HIGGS BOSONS AT SSC

1987 ◽  
Vol 02 (04) ◽  
pp. 1055-1067 ◽  
Author(s):  
Hans-Uno Bengtsson ◽  
Hiroaki Yamamoto ◽  
Sachio Komamiya
Keyword(s):  
Decay Mode ◽  
Top Quark ◽  
Vacuum Expectation ◽  
Higgs Doublet ◽  
Higgs Bosons ◽  
Quark Interaction ◽  
Charged Higgs ◽  
Charged Higgs Bosons ◽  
Two Higgs Doublet Models ◽  
Very High

We examine the possibility of finding charged Higgs bosons (H±) at the SSC. The charged Higgs boson is produced with a top quark via a gluon+bottom quark interaction (g+b→H+t). For the two Higgs doublet models, H± decays predominantly into t+b. Since the background from QCD processes will be very severe for this decay mode, we studied the H±→τ+ν decay mode. Even for this mode, background from the processes pp→W+t+spectators→ℓ+νℓ+t+spectators will be very high. In the two Higgs doublet models, it is very difficult to extract the charged Higgs signal for reasonable values of the ratio of the two vacuum expectation values ( tan β=v1/v2).

SEARCH FOR CHARGED HIGGS BOSONS IN DECAYS OF PAIR-PRODUCED TOP QUARKS AT DØ

2001 ◽  
Vol 16 (supp01a) ◽  
pp. 395-398
Author(s):  
◽  
PHILLIP GUTIERREZ
Keyword(s):  
Standard Model ◽  
Top Quark ◽  
Top Quarks ◽  
Higgs Bosons ◽  
Full Data ◽  
The Standard Model ◽  
Charged Higgs ◽  
Charged Higgs Bosons

We present a search for t → bH+ in [Formula: see text] candidate events at DØ based on two methods. The first seeks a deficit in signal relative to expectations from the standard model (SM). Such a deficit would imply the presence of a non-SM decay of the top quark. This search involves the full data sample of ≈ 110 pb -1 of [Formula: see text] collisions at [Formula: see text], collected with the DØ detector. The second method looks for charged Higgs decays to τ leptons (and associated neutrinos), and is based on a 62 pb -1 subset of the aforementioned data sample.

scholarly journals Combination oftt¯cross section measurements and constraints on the mass of the top quark and its decays into charged Higgs bosons

2009 ◽  
Vol 80 (7) ◽  
Author(s):  
V. M. Abazov ◽  
B. Abbott ◽  
M. Abolins ◽  
B. S. Acharya ◽  
M. Adams ◽  
...  
Keyword(s):  
Cross Section ◽  
Top Quark ◽  
Higgs Bosons ◽  
Charged Higgs ◽  
Charged Higgs Bosons
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