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The determination of the Yukawa coupling of the top quark to the Higgs boson is one of the most important measurements that a future e^+e^- linear collider could provide. For a Higgs boson of mass greater than 350 GeV, this coupling can be…

高能物理 - 唯象学 · 物理学 2009-10-31 Juan Alcaraz , Ester Ruiz Morales

A search is made for a vector-like $T$ quark decaying into a Higgs boson and a top quark in 13 TeV proton-proton collisions using the ATLAS detector at the Large Hadron Collider with a data sample corresponding to an integrated luminosity…

高能物理 - 实验 · 物理学 2022-08-19 ATLAS Collaboration

This paper reports a search for Higgs boson pair ($hh$) production in association with a vector boson ($W$ or $Z$) using 139 $fb^{-1}$ of proton-proton collision data at $\sqrt{s}=$ 13 TeV recorded with the ATLAS detector at the Large…

高能物理 - 实验 · 物理学 2023-06-22 ATLAS Collaboration

A combination of searches for a new resonance decaying into a Higgs boson pair is presented, using up to 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the LHC. The combination includes…

高能物理 - 实验 · 物理学 2024-06-17 ATLAS Collaboration

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…

高能物理 - 唯象学 · 物理学 2017-02-13 Nathaniel Craig , Jan Hajer , Ying-Ying Li , Tao Liu , Hao Zhang

Measurements of Higgs boson production cross-sections are carried out in the diphoton decay channel using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV collected by the ATLAS experiment at the LHC. The analysis is based on the…

高能物理 - 实验 · 物理学 2023-09-19 ATLAS Collaboration

A measurement of production cross sections of the Higgs boson in proton-proton collisions is presented in the $H\rightarrow\tau\tau$ decay channel. The analysis is performed using $36.1\mathrm{fb}^{-1}$ of data recorded by the ATLAS…

高能物理 - 实验 · 物理学 2019-05-23 ATLAS Collaboration

A search for a new heavy scalar resonance (X) decaying into the 125 GeV standard model Higgs boson (H) and a new scalar particle (Y) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The analysis is performed…

高能物理 - 实验 · 物理学 2026-05-05 CMS Collaboration

We discuss the sensitivity of a 100 TeV $pp$ collider to heavy resonances produced in longitudinal vector boson scattering and decaying to a pair of Higgs bosons. A Monte Carlo study has been performed using the $H \to \tau \tau$ decay…

高能物理 - 唯象学 · 物理学 2015-08-04 A. V. Kotwal , S. Chekanov , M. Low

Adding a scalar singlet provides one of the simplest extensions of the Standard Model. In this work we briefly review the latest constraints on the mass and mixing of the new Higgs boson and study its production and decay at the LHC. We…

高能物理 - 唯象学 · 物理学 2015-01-16 Victor Martin-Lozano , Jesus M. Moreno , Chan Beom Park

Production cross sections of the standard model Higgs boson decaying to a pair of W bosons are measured in proton-proton collisions at a center-of-mass energy of 13 TeV. The analysis targets Higgs bosons produced via gluon fusion, vector…

高能物理 - 实验 · 物理学 2023-07-28 CMS Collaboration

This paper reports the measurement of Higgs boson production in association with a $t\bar{t}$ pair in the $H \rightarrow b \bar{b}$ decay channel. The analysis uses 140 fb$^{-1}$ of 13 TeV proton-proton collision data collected with the…

高能物理 - 实验 · 物理学 2025-03-14 ATLAS Collaboration

A search for heavy pseudoscalar ($A$) and scalar ($H$) Higgs bosons decaying into a top quark pair ($t\bar{t}$) has been performed with 20.3 fb$^{-1}$ of proton--proton collision data collected by the ATLAS experiment at the Large Hadron…

高能物理 - 实验 · 物理学 2017-11-15 ATLAS Collaboration

The measurement of the Yukawa coupling of the top quark is one important goal of particle physics after the discovery of the Higgs boson. There are two processes that offer the possibility to directly measure the Yukawa coupling of the top…

高能物理 - 实验 · 物理学 2017-11-23 Isabel Nitsche

We report on a search for the standard-model Higgs boson in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV using an integrated luminosity of 2.0/fb. We look for production of the Higgs boson decaying to a pair of bottom quarks in association…

高能物理 - 实验 · 物理学 2010-05-12 The CDF Collaboration , Aaltonen T. et al

Motivated by a solution to the strong CP problem we propose a model where a new heavy neutral CP-even Higgs boson couples to vector-like quarks enhancing its production cross section whose dominant decays are into weak bosons. The masses of…

高能物理 - 唯象学 · 物理学 2016-08-24 Alexandre Alves , D. A. Camargo , Alex G. Dias

The LHC analyses of processes containing two or more leptons and missing energy, possibly in association with b-jets, show strong tensions with the Standard Model predictions and are known as multi-lepton anomalies. In particular, top-quark…

高能物理 - 唯象学 · 物理学 2024-10-07 Guglielmo Coloretti , Andreas Crivellin , Bruce Mellado

Searches for new heavy resonances decaying to $WW$, $WZ$, and $ZZ$ bosons are presented, using a data sample corresponding to 3.2 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV collected with the ATLAS detector at the CERN Large Hadron…

高能物理 - 实验 · 物理学 2016-11-23 ATLAS Collaboration

The ATLAS and CMS experiments at the LHC have reported an excess of diphoton events with invariant mass around 750 GeV, with local significance of about $3.6 \sigma$ and $2.6 \sigma$, respectively. We entertain the possibility that this…

高能物理 - 唯象学 · 物理学 2016-09-01 Daniel Aloni , Kfir Blum , Avital Dery , Aielet Efrati , Yosef Nir

In this paper we consider a simple scenario where the Higgs boson and two vector resonances are supposed to arise from a new strong interacting sector. We use the ATLAS measurements of the dijet spectrum to set limits on the masses of the…