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相关论文: Probing the CP structure of the top quark Yukawa c…

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The $\cal{CP}$ structure of the Higgs boson is a fundamental property which has not yet been constrained with high precision. $\cal{CP}$ violation in the Yukawa coupling between the Higgs boson and top quark pair can be probed directly at…

We use the associated production of top-quark pairs with a generic scalar boson at the LHC to explore the sensitivity of a large set of observables to the sign of the CP mixing angle, present in the coupling between the scalar boson and the…

高能物理 - 唯象学 · 物理学 2022-10-19 Duarte Azevedo , Rodrigo Capucha , António Onofre , Rui Santos

We study the Higgs-boson mass spectrum of the minimal supersymmetric standard model, in which the tree-level CP invariance of the Higgs potential is broken explicitly by loop effects of soft-CP-violating Yukawa interactions related to…

高能物理 - 唯象学 · 物理学 2009-10-07 Apostolos Pilaftsis , Carlos E. M. Wagner

The study of the Higgs boson's properties is a cornerstone of the LHC and future collider programs. In this paper, we examine the potential to directly probe the Higgs-top interaction strength and CP-structure in the $t\bar t h$ channel…

高能物理 - 唯象学 · 物理学 2022-02-16 Dorival Gonçalves , Jeong Han Kim , Kyoungchul Kong , Yongcheng Wu

We discuss some aspects of the interplay between the top quark and the Higgs boson at the LHC. First we describe what indirect information on the top Yukawa coupling can be extracted from measurements in the Higgs sector. We then show that…

高能物理 - 唯象学 · 物理学 2015-06-15 Mikael Chala , Jose Santiago

The Higgs boson production p p (p\bar p) -> b h +X via b g -> b h at the LHC, which may be an important channel for testing the bottom quark Yukawa coupling, is subject to large supersymmetric quantum corrections. In this work the one-loop…

高能物理 - 唯象学 · 物理学 2008-11-26 Junjie Cao , Guangping Gao , Robert J. Oakes , Jin Min Yang

We investigate the potential of precision Higgs boson coupling measurements to discover heavy Higgs bosons by performing scans of the parameter space in Two-Higgs-Doublet Models (2HDM). Our study encompasses conventional Type I and Type II…

高能物理 - 唯象学 · 物理学 2025-10-21 Kamal Maayergi , Devin G. E. Walker , Michael E. Peskin

We investigate the inclusive production of the Higgs boson with a heavy quark pair, $t {\bar t}$ or $b {\bar b}$, in e^+e^- collisions at high energy. The ${\cal O}(\alpha_s)$ QCD corrections are included.

高能物理 - 唯象学 · 物理学 2007-05-23 S. Dawson , L. Reina

We consider the impact of CP-violating Higgs and top interactions on diboson production from gluon fusion within the Standard Model Effective Field Theory framework. We systematically study differential distributions for double Higgs,…

高能物理 - 唯象学 · 物理学 2024-11-05 Marion O. A. Thomas , Eleni Vryonidou

Constraining the Higgs boson properties is a cornerstone of the LHC program and future colliders. In this Snowmass contribution, we study the potential to directly probe the Higgs-top CP-structure via the $t\bar{t}h$ production at the…

The small mass of the bottom quark, relative to its weak isospin partner, the top quark, makes the bottom an effective probe of new physics in Higgs and top sectors. We study the Higgs boson production associated with bottom quarks,…

高能物理 - 唯象学 · 物理学 2009-09-25 C. Balazs , J. L. Diaz-Cruz , H. -J. He , T. Tait , C. -P. Yuan

We present a search for the production of a Higgs boson in association with a single top quark ($tHq$), using data samples collected by the CMS detector in $pp$ collisions at center-of-mass energy of 8 TeV corresponding to integrated…

高能物理 - 实验 · 物理学 2015-10-06 Kenneth Bloom

Constraining the Higgs boson properties is a cornerstone of the LHC program. We study the potential to directly probe the Higgs-top CP-structure via the $t\bar{t}h$ channel at the LHC with the Higgs boson decaying to a bottom pair and…

高能物理 - 唯象学 · 物理学 2022-10-05 Dorival Goncalves , Kyoungchul Kong , Jeong Han Kim

We calculate the Yukawa corrections of order $O(\alpha_{ew}m_{t(b)}^{2}/m_{W}^{2})$ to charged Higgs boson production in association with a top quark at the Tevatron and the LHC. The corrections are not very sensitive to the mass of the…

高能物理 - 唯象学 · 物理学 2019-08-17 Li Gang Jin , Chong Sheng Li , Robert J. Oakes , Shou Hua Zhu

The cross section for the reaction $e^+e^- \to t\bar{t} H$ depends sensitively on the top quark Yukwawa coupling $\lambda_t$. We calculate the rate for $t\bar{t}H$ production, followed by the decay $H\to b\bar{b}$, for a Standard Model…

高能物理 - 唯象学 · 物理学 2009-10-31 Howard Baer , Sally Dawson , Laura Reina

We compute the inclusive and differential cross sections for the associated production of a top quark along with a charged Higgs boson at hadron colliders to next-to-leading order (NLO) in perturbative quantum chromodynamics (QCD) and in…

高能物理 - 唯象学 · 物理学 2009-11-10 Edmond L Berger , Tao Han , Jing Jiang , Tilman Plehn

Decades of precision measurements have firmly established the Kobayashi-Maskawa phase as the dominant source of the CP violation observed in weak quark decays. However, it is still unclear whether CP violation is explicitly encoded in…

高能物理 - 唯象学 · 物理学 2020-10-13 Ulrich Nierste , Mustafa Tabet , Robert Ziegler

If one removes any \emph{ad hoc} symmetry assumptions, the general two Higgs doublet model should have additional Yukawa interactions independent from fermion mass generation, in general involving flavor changing neutral Higgs couplings.…

高能物理 - 唯象学 · 物理学 2017-08-02 Wei-Shu Hou , Mariko Kikuchi

At present, the study of the charm-quark Yukawa coupling at the Large Hadron Collider mainly focuses on the Higgs decay processes. Such signal suffers from overwhelming QCD background and derives its sensitivity primarily from the $Vh$…

高能物理 - 唯象学 · 物理学 2024-12-20 Nuoyu Dong , Hongsheng Hou , Zhuoni Qian , Bowen Wang , Qingjun Xu

Supersymmetric QCD and supersymmetric electroweak loop corrections to the violations of weak isospin to Yukawa couplings are investigated. Specifically it involves an analysis of the supersymmetric loop corrections to the Higgs couplings to…

高能物理 - 唯象学 · 物理学 2009-11-10 Tarek Ibrahim , Pran Nath