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We study the light quark effect on the Higgs boson production in association with a jet at the LHC in the intermediate transverse momentum region between the quark and the Higgs boson mass scales. Though the effect is suppressed by the…

High Energy Physics - Phenomenology · Physics 2024-03-01 Tao Liu , Alexander A. Penin , Abdur Rehman

We study the $l^-l^+\to \nu\bar{\nu}Zh$ process for future lepton colliders, whose cross section becomes larger than that for $l^-l^+\to Zh$ in the energy region above a few TeV. We classify the amplitudes into three main groups based on…

High Energy Physics - Phenomenology · Physics 2026-04-14 Hiroyuki Furusato , Satsuki Hosoya , Kentarou Mawatari , Shouta Suzuki

We study the effects of heavy Higgs bosons on the top-pair production process at photon linear colliders. The interference patterns between the resonant Higgs-production amplitudes and the continuum QED amplitudes are examined. The patterns…

High Energy Physics - Phenomenology · Physics 2007-05-23 Eri Asakawa

A measurement of the $hh+2j$ channel at the LHC would be particularly thrilling for electroweak physics. It is not only the leading process which is sensitive to the $W^+W^- hh$ and $ZZhh$ interactions, but also provides a potentially clear…

High Energy Physics - Phenomenology · Physics 2014-03-19 Matthew J. Dolan , Christoph Englert , Nicolas Greiner , Michael Spannowsky

In this study, we investigate observability of the neutral scalar ($H$) and pseudoscalar ($A$) Higgs bosons in the framework of the Type-I 2HDM at SM-like scenario at a linear collider operating at $\sqrt s=$ 500 and 1000 GeV. The signal…

High Energy Physics - Phenomenology · Physics 2019-06-26 Majid Hashemi , Gholamhossein Haghighat

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…

High Energy Physics - Phenomenology · Physics 2015-01-16 Victor Martin-Lozano , Jesus M. Moreno , Chan Beom Park

In the Standard Model, the coupling of the Higgs boson to b quarks is weak, leading to small cross sections for producing a Higgs boson in association with b quarks. However, Higgs bosons with enhanced couplings to b quarks, such as occur…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Campbell , S. Dawson , S. Dittmaier , C. Jackson , M. Kramer , F. Maltoni , L. Reina , M. Spira , D. Wackeroth , S. Willenbrock

A reanalysis is presented on the CMS result on a search for a W' boson that couples to the top and down quarks. The model is motivated by the Tevatron results on the forward-backward asymmetry of ttbar pair production. In the evaluation of…

High Energy Physics - Experiment · Physics 2015-06-05 Motoi Endo , Sho Iwamoto

Radiative corrections of strong and electroweak interactions are presented at next-to-leading order for the production of a Higgs boson plus two hard jets via weak interactions at the LHC. The calculation includes all weak-boson fusion and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Ciccolini , A. Denner , S. Dittmaier

We consider the central exclusive production of $q\bar{q}$ pairs and Higgs boson at proton-proton collisions at LHC. The amplitude for the process is derived within the $k_{\perp}$-factorization approach and considered in different…

High Energy Physics - Phenomenology · Physics 2011-07-04 Rafal Maciula , Roman Pasechnik , Antoni Szczurek

We discuss the SM Higgs discovery potential of LHC in the reaction $pp\to H+ jet\to\gamma\gamma+jet$ when the jet is observed at sufficiently high $E_t$ to be reliably identified. We conclude that this channel gives promising discovery…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Abdullin , M. Dubinin , V. Ilyin , D. Kovalenko , V. Savrin , N. Stepanov

At lowest order in perturbation theory, the production of a Higgs boson in association with dijets displays a strong correlation in the azimuthal angle between the dijets, induced by the CP-properties of the Higgs Boson coupling. However,…

High Energy Physics - Phenomenology · Physics 2010-06-24 Jeppe R. Andersen

The production of a Higgs boson in association with at least two jets receives contributions both from the fusion of weak vector bosons (VBF) and from QCD processes, especially gluon fusion (GF). The former process is important for…

High Energy Physics - Phenomenology · Physics 2019-04-26 Jeppe R. Andersen , James D. Cockburn , Marian Heil , Andreas Maier , Jennifer M. Smillie

It is widely known that the $ZH$ production channel provides a promising probe to the $H \rightarrow b\bar{b}$ decay at the LHC, when the Higgs and the $Z$ bosons are highly boosted along the transverse direction. We show how information on…

High Energy Physics - Phenomenology · Physics 2019-01-28 Dorival Goncalves , Junya Nakamura

We study Higgs boson production in exclusive jet bins at possible future 33 and 100 TeV proton-proton colliders. We compare the cross sections obtained using fixed-order perturbation theory with those obtained by also resuming large…

High Energy Physics - Phenomenology · Physics 2014-09-10 Radja Boughezal , Christfried Focke , Ye Li , Xiaohui Liu

The hadronic production of a Higgs boson (H) in association with b jets will play an important role in investigating the Higgs-boson couplings to Standard Model particles during Run II of the CERN Large Hadron Collider, and could in…

High Energy Physics - Phenomenology · Physics 2016-02-03 Barbara Jager , Laura Reina , Doreen Wackeroth

We examine the contribution of Multiple Parton Interactions to Z+n-jets production at the LHC, n=2,3,4, where the Z boson is assumed to decay leptonically. We compare the results obtained with the correlated GS09 double parton distribution…

High Energy Physics - Phenomenology · Physics 2015-03-17 Ezio Maina

Production cross sections of the Higgs boson are measured in the H $\to$ ZZ $\to$ $4\ell$ ($\ell$ $=$ e, $\mu$) decay channel. A data sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS detector at…

High Energy Physics - Experiment · Physics 2021-06-07 CMS Collaboration

The Higgs self coupling measurement is quite essential for determining the shape of the Higgs potential and nature of the Higgs boson. We propose the di-Higgs plus jet final states at hadron colliders to increase the discovery sensitivity…

High Energy Physics - Phenomenology · Physics 2023-03-29 Kangyu Chai , Jiang-Hao Yu , Hao Zhang

We study the production of the Higgs boson in association with a single top quark at hadron colliders. The cross sections for the three production processes (t-channel, s-channel, and W-associated) at both the Tevatron and the LHC are…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Maltoni , K. Paul , T. Stelzer , S. Willenbrock