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The precise determination of the Higgs boson CP properties is among the most important goals for existing and future colliders. In this work, we evaluate existing constraints on the CP nature of the Higgs interaction with top quarks taking…

High Energy Physics - Phenomenology · Physics 2022-06-14 Henning Bahl

The $\mathcal{CP}$ structure of the Higgs boson in its coupling to the particles of the Standard Model is amongst the most important Higgs boson properties which have not yet been constrained with high precision. In this study, all relevant…

High Energy Physics - Phenomenology · Physics 2021-10-20 Henning Bahl , Philip Bechtle , Sven Heinemeyer , Judith Katzy , Tobias Klingl , Krisztian Peters , Matthias Saimpert , Tim Stefaniak , Georg Weiglein

After the Higgs boson discovery, a main focus at the CERN LHC has been the measurement of its properties. Observing the Higgs boson associated production with a top quark-antiquark pair ($\mathrm{t\bar{t}H}$) is particularly interesting…

High Energy Physics - Experiment · Physics 2022-08-18 Angela Giraldi

This paper provides a detailed analysis of the associated production of the Higgs boson with a single top quark ($tH$) in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ and $14~\mathrm{TeV}$. Based on the ATLAS search, we have…

High Energy Physics - Phenomenology · Physics 2026-03-05 Tetiana Obikhod , Ievgenii Petrenko

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…

High Energy Physics - Experiment · Physics 2017-11-23 Isabel Nitsche

We study Higgs boson production associated with single top or anti-top via $t$-channel weak boson exchange at the LHC. The process is an ideal probe of the top quark Yukawa coupling, because we can measure the relative phase of $htt$ and…

High Energy Physics - Phenomenology · Physics 2020-10-28 Vernon Barger , Kaoru Hagiwara , Ya-Juan Zheng

The conjoined production at the LHC of single top and Higgs boson via $t$-channel weak boson exchange is ideal to probe the top-quark Yukawa coupling, due to a delicate cancellation between the amplitudes with the $htt$ and the $hWW$…

High Energy Physics - Phenomenology · Physics 2019-02-27 Vernon Barger , Kaoru Hagiwara , Ya-Juan Zheng

After the discovery of the 125 GeV scalar boson with gauge properties similar to the Standard Model Higgs, the search for beyond the SM interactions will focus on studying the discovered particles' coupling properties more precisely and…

High Energy Physics - Phenomenology · Physics 2014-05-12 Christoph Englert , Emanuele Re

The ATLAS and CMS collaborations recently announced the observation of the associated production of the Higgs boson with a top quark pair ($t\bar tH$) at the LHC. This process depends directly on the the top quark Yukawa coupling and…

High Energy Physics - Phenomenology · Physics 2019-02-21 Emanuel Gouveia , Ricardo Gonçalo , António Onofre , Duarte Azevedo

Higgs-boson pair production is well known being capable to probe the trilinear self-coupling of the Higgs boson, which is one of the important ingredients of the Higgs sector itself. Pair production then depends on the top-quark Yukawa…

High Energy Physics - Phenomenology · Physics 2015-09-08 Chih-Ting Lu , Jung Chang , Kingman Cheung , Jae Sik Lee

The $CP$ properties of the coupling between the Higgs boson and the top quark are investigated with 139 fb$^{-1}$ of proton-proton collision data recorded by the ATLAS experiment at the LHC at a centre-of-mass energy of $\sqrt{s}=13$ TeV.…

High Energy Physics - Experiment · Physics 2024-04-17 ATLAS Collaboration

After the recent discovery of the Higgs boson, the next important goal is to measure its properties. Probing the Yukawa coupling of the Higgs boson to top quarks is a particularly important test of physics beyond the standard model. This…

High Energy Physics - Experiment · Physics 2019-08-13 Liis Rebane

Associated production of the Higgs boson with a single top quark proceeds through Feynman diagrams, which are either proportional to the hWW, top-Yukawa, or the bottom-Yukawa couplings. It was shown in literature that the interference…

High Energy Physics - Phenomenology · Physics 2015-06-19 Jung Chang , Kingman Cheung , Jae Sik Lee , Chih-Ting Lu

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…

High Energy Physics - Experiment · Physics 2015-10-06 Kenneth Bloom

We study the production of a Standard Model (SM) Higgs boson in association with a single top quark and either a light jet or $W$-boson at the LHC with a center of mass energy of 14 TeV. Due to the destructive interference of the…

High Energy Physics - Phenomenology · Physics 2010-05-12 Vernon Barger , Mathew McCaskey , Gabe Shaughnessy

One of the future goals of the LHC is to precisely measure the properties of Higgs boson. The associated production of Higgs boson and the top quark pair is a promising process to investigate the related Yukawa interaction and the…

High Energy Physics - Phenomenology · Physics 2016-06-22 Hong-Lei Li , Peng-Cheng Lu , Zong-Guo Si , Ying Wang

We demonstrate that the multi-top productions efficiently probe the CP-property of top-Higgs interaction and the Higgs-boson width at the LHC. The four top-quark production alone can exclude a purely CP-odd top-quark Yukawa coupling at the…

High Energy Physics - Phenomenology · Physics 2019-07-03 Qing-Hong Cao , Shao-Long Chen , Yandong Liu , Rui Zhang , Ya Zhang

Associated production of a Higgs boson with a heavy, i.e. top or bottom, quark-anti-quark pair provide observation channels for Higgs bosons at the LHC which can be used to measure the respective Yukawa couplings. For the light…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wolfgang Hollik , Michael Rauch

The associated production of Higgs boson and single top quark is of particular interest since it is senstive to the relative sign of the Higgs boson coupling to gauge bosons and the Yukawa coupling $y$ to fermions. The presented analysis is…

High Energy Physics - Experiment · Physics 2019-08-13 Benedikt Maier

A search is presented for the production of a Higgs boson in association with a single top quark, based on data collected in 2016 by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV, which corresponds to an integrated…

High Energy Physics - Experiment · Physics 2019-05-29 CMS Collaboration
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