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In this note the $\mathrm{HZ}$ production in the all-hadronic final state in $\mathrm{e}^{+}\mathrm{e}^{-}$ collisions at the Compact Linear Collider is studied at the 3 TeV stage. At high energies, the events have an experimental signature…

High Energy Physics - Experiment · Physics 2019-11-07 Emilia Leogrande , Philipp Roloff , Ulrike Schnoor , Matthias Weber

Jets are produced by processes involving high momentum transfer of initial partons at high energies. Comparing jet production in pp and nucleus-nucleus collisions will allow us to study the jet-quenching effect caused by the hot and dense…

High Energy Physics - Experiment · Physics 2019-12-12 Yongzhen Hou

We demonstrate that in the back-to-back kinematics the production of four jets in the collision of two partons is suppressed in the leading log approximation of pQCD, compared to the hard processes involving the collision of four partons.…

High Energy Physics - Phenomenology · Physics 2011-04-22 B. Blok , Yu. Dokshitzer , L. Frankfurt , M. Strikman

The first computation of Higgs production in association with three jets at NLO in QCD has recently been performed using the effective theory, where the top quark is treated as an infinitely heavy particle and integrated out. This approach…

High Energy Physics - Phenomenology · Physics 2017-03-08 Nicolas Greiner , Stefan Hoeche , Gionata Luisoni , Marek Schonherr , Jan-Christopher Winter

Results are presented from a search for the pair-production of heavy quarks, Q Q-bar, that decay exclusively into a top quark and a W or Z boson. The search is performed using a sample of proton-proton collisions at sqrt(s) = 7 TeV…

High Energy Physics - Experiment · Physics 2013-03-12 CMS Collaboration

The left-right twin Higgs model contains a new vector-like heavy top quark, which mixes with the SM-like top quark. In this work, we studied the single vector-like top partner production via process $e^{-}\gamma \rightarrow \nu_{e}\bar{T}b$…

High Energy Physics - Phenomenology · Physics 2013-04-09 Guo Zhan-Ying , Yang Guang , Yang Bing-Fang

The production of heavy quark (HQ) jets provides a new arena to address the mass effect of jet quenching in heavy-ion physics. This paper presents a theoretical study of HQ jet yield suppression in Pb+Pb collisions at the LHC and focuses on…

High Energy Physics - Phenomenology · Physics 2025-04-15 Sa Wang , Shuang Li , Yao Li , Ben-Wei Zhang , Enke Wang

We consider single production of the heavy top quark T predicted by the three-site Higgsless model in future high energy collider experiments, such as the high energy linear e^{+}e^{-} collider (ILC), the linear-ring type $ep$ collider…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chong-Xing Yue , Li-Hong Wang , Jia Wen

This Letter presents the first study of $W^{\pm}W^{\pm}jj$, same-electric-charge diboson production in association with two jets, using 20.3 fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=8$ TeV recorded by the ATLAS detector at…

High Energy Physics - Experiment · Physics 2014-10-22 ATLAS Collaboration

We report the observation of energetic jet production in proton-proton collisions at sqrt(s) = 7 TeV, based on about 1 nb^-1 of integrated luminosity collected by the ATLAS detector. The anti-kT algorithm is used to reconstruct jets with pT…

High Energy Physics - Experiment · Physics 2010-10-12 Eric Feng

A study of dijet production in proton-proton collisions was performed at sqrt(s) = 7 TeV for jets with pt > 35 GeV and abs(y) < 4.7 using data collected with the CMS detector at the LHC in 2010. Events with at least one pair of jets are…

High Energy Physics - Experiment · Physics 2013-01-24 CMS Collaboration

The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton-proton collisions at sqrt(s) = 8 TeV, is measured using data recorded by the CMS experiment at the CERN LHC, corresponding to…

High Energy Physics - Experiment · Physics 2015-02-13 CMS Collaboration

In the framework of the littlest Higgs model with T-parity(LHT), we investigate the double Higgs production processes $e^{+}e^{-}\rightarrow ZHH$ and $e^{+}e^{-}\rightarrow \nu\bar{\nu}HH$ at high energy $e^{+}e^{-}$ colliders. We calculate…

High Energy Physics - Phenomenology · Physics 2014-12-16 Bingfang Yang , Guofa Mi , Ning Liu

Measurements are presented of the cross section for the production of at least four jets, of which at least two originate from b quarks, in proton-proton collisions. Data collected with the CMS detector at the LHC at a center-of-mass energy…

High Energy Physics - Experiment · Physics 2016-12-14 CMS Collaboration

Because the LHC is a proton-proton collider, sizable production of two positively charged W-bosons in association with two jets is possible. This process leads to a distinct signature of same sign high-pt leptons, missing energy and jets.…

High Energy Physics - Phenomenology · Physics 2011-05-27 Tom Melia , Kirill Melnikov , Raoul Rontsch , Giulia Zanderighi

The processes e+e- -> t tbar/b bbar + Higgs allow to measure the Yukawa couplings between Higgs bosons and heavy quarks in supersymmetric theories. The complete set of next-to-leading order SUSY-QCD corrections to the cross sections of…

High Energy Physics - Phenomenology · Physics 2010-04-05 Petra Häfliger , Michael Spira

The doubly heavy baryon $\Xi_{QQ^{\prime}}$ ($Q^{(\prime)}$ = $b$ or $c$) is different from the ordinary baryons. The production of the doubly heavy baryon can provide valuable insight on how the colored $(QQ^{\prime})$-diquark can be…

High Energy Physics - Phenomenology · Physics 2013-03-26 Jun Jiang , Xing-Gang Wu , Shao-Ming Wang , Jia-Wei Zhang , Zhen-Yun Fang

In this work we study associated production of heavy Z boson and heavy top quark in the framework of Littlest Higgs model at e^-e^+ colliders considering parameter space allowed by the electroweak precision measurments. According to the…

High Energy Physics - Phenomenology · Physics 2016-01-05 Zerrin Kirca

In this paper, charged Higgs pair production through $\ell^+ \ell^- \rightarrow H^+ H^-$ where $\ell = e$ or $\mu$, is studied within the framework of a general Two Higgs Doublet Model (2HDM). The analysis is relevant to a future $e^+e^-$…

High Energy Physics - Phenomenology · Physics 2015-06-17 Majid Hashemi

The production of four top quarks ($\mathrm{t\bar{t}t\bar{t}}$) is studied with LHC proton-proton collision data samples collected by the CMS experiment at a center-of-mass energy of 13 TeV, and corresponding to integrated luminosities of…

High Energy Physics - Experiment · Physics 2023-07-28 CMS Collaboration