Top quark spin and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>H</mml:mi><mml:mi>t</mml:mi><mml:mi>b</mml:mi></mml:math>interaction in charged Higgs boson and top quark associated production at LHC

Gong, Xue; Si, Zong-Guo; Yang, S.; Zheng, Y.

doi:10.1103/physrevd.87.035014

Cited by 12 publications

(7 citation statements)

References 62 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[81]. 6 The possibility of using this channel to investigate the chirality structure of the H +t b vertex has been studied in [82][83][84][85]. 7 Jets are reconstructed using the anti-kT algorithm with R = 0.5 and are required to satisfy p j T > 20GeV, |η j | < 4.5.…”

Section: Searching For a Charged Higgs In Tbmentioning

confidence: 99%

The hunt for the rest of the Higgs bosons

Craig

DʼEramo

Draper

et al. 2015

J. High Energ. Phys.

152

181

View full text Add to dashboard Cite

We assess the current state of searches at the LHC for additional Higgs bosons in light of both direct limits and indirect bounds coming from coupling measurements of the Standard Model-like Higgs boson. Given current constraints, we identify and study three LHC searches that are critical components of a comprehensive program to investigate extended electroweak symmetry breaking sectors: production of a heavy scalar or pseudoscalar with decay to tt; bb and tt associated production of a heavy scalar or pseudoscalar with decay to invisible final states; and tb associated production of a charged Higgs with decay totb. Systematic experimental searches in these channels would contribute to robust coverage of the possible single production modes of additional heavy Higgs bosons.

show abstract

Section: Searching For a Charged Higgs In Tbmentioning

confidence: 99%

The hunt for the rest of the Higgs bosons

Craig

DʼEramo

Draper

et al. 2015

J. High Energ. Phys.

152

181

View full text Add to dashboard Cite

show abstract

“…Searches for charged Higgs in type II 2HDM in associated production with a top quark using the top polarization has been performed in Refs. [13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Boosting the charged Higgs search prospects using jet substructure at the LHC

Li¹,

Patrick²,

Sharma³

et al. 2016

J. High Energ. Phys.

View full text Add to dashboard Cite

Charged Higgs bosons are predicted in variety of theoretically well-motivated new physics models with extended Higgs sectors. In this study, we focus on a type-II two Higgs doublet model (2HDM-II) and consider a heavy charged Higgs with its mass ranging from 500 GeV to 1 TeV as dictated by the b → sγ constraints which render M H ± > 480 GeV. We study the dominant production mode H ± t associated production with H ± → W ± A being the dominant decay channel when the pseudoscalar A is considerably lighter. For such a heavy charged Higgs, both the decay products W ± and A are relatively boosted. In such a scenario, we apply the jet substructure analysis of tagging the fat pseudoscalar and W jets in order to eliminate the standard model background efficiently. We perform a detailed detector simulation for the signal and background processes at the 14 TeV LHC. We introduce various kinematical cuts to determine the signal significance for a number of benchmark points with charged Higgs boson mass from 500 GeV to 1 TeV in the W ± A decay channel. Finally we perform a multivariate analysis utilizing a boosted decision tree algorithm to optimize these significances.

show abstract

“…It must face the direct searches at LHC or e + e − colliders. At LHC, it can be produced through gb → tH − associated production [127] [128][129][130]. At e + e − colliders with √ s 500GeV, we can discover the charged Higgs boson through e + e − → H + H − process [131,132].…”

Section: Predictions and Future Tests For This Scenariomentioning

confidence: 99%

“…This process would not be suppressed as well, thus it is useful to confirm or exclude this scenario. In Table V and Table VI we summarize the mentioned channel above which would be useful to test this scenario in the future [117,123,[125][126][127][128][129][130][131][132][133]. If all the three neutral scalars and their couplings to V V were discovered in the future, the associated productions for any two scalars are important to confirm CP-violation in all the three discovered neutral scalars should be CP-even 21 thus there would be no direct h i h j Z vertices.…”

Section: Predictions and Future Tests For This Scenariomentioning

confidence: 99%

Lightness of a Higgs boson and spontaneousCP-violation in the Lee model: An alternative scenario

Mao

Zhu

2016

Phys. Rev. D

View full text Add to dashboard Cite

Based on the weakly-coupled spontaneous CP-violation two-Higgs-doublet model (named Lee model) and the mechanism to generate the correlation between smallness of CP-violation and lightness of scalar mass, as we proposed earlier, we predicted a light CP-mixing scalar η in which pseudoscalar component is dominant. It is a natural scenario in which m η ∼ O(10GeV) v. It means new physics might be hidden below the electro-weak scale v. Masses of all other scalars (h, H, H ± ) should be around the electro-weak scale v. Among them, the 125 GeV Higgs boson (h)couplings are standard-model like, and the charged Higgs boson (H ± ) mass should be around the heaviest neutral scalar (H) mass. We discussed all experimental constraints and showed that this scenario is still allowed by data. The strictest constraints come from the flavor violation experiments and the EDM of electron and neutron. We also discussed the future tests for this scenario. It is possible to discover the extra scalars or exclude this scenario at future colliders, especially at the LHC and e + e − colliders with O(ab −1 ) luminosity. We also pointed out that the Z-mediated Higgs pair production via e + e − → h i h j (h i , h j stand for two of the η, h, H) would be the key observable to confirm or exclude CP-violation in Higgs sector. The sensitivity to test this scenario is worth further studying in

show abstract

Top quark spin andHtbinteraction in charged Higgs boson and top quark associated production at LHC

Cited by 12 publications

References 62 publications

The hunt for the rest of the Higgs bosons

The hunt for the rest of the Higgs bosons

Boosting the charged Higgs search prospects using jet substructure at the LHC

Lightness of a Higgs boson and spontaneousCP-violation in the Lee model: An alternative scenario

Contact Info

Product

Resources

About