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Related papers: NLO QCD corrections to $B_c$-pair production in ph…

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Higgs boson production associated with a top quark pair is an important process in studying the nature of the newly discovered Higgs boson at the LHC. In this letter, we report on our calculations including the next-to-leading order (NLO)…

High Energy Physics - Phenomenology · Physics 2014-09-24 Zhang Yu , Ma Wen-Gan , Zhang Ren-You , Chen Chong , Guo Lei

For very large values of $\tan\beta$, charged Higgs boson pair production at the Large Hadron Collider (LHC) from the scattering of two bottom quarks can proceed dominantly. We investigated the cross sections of charged Higgs boson pair…

High Energy Physics - Phenomenology · Physics 2009-11-11 Hou Hong-Sheng , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Han Liang , Xing Li-Rong

In the present paper, we study the photoproduction of various $S$-wave $B_c$ states, i.e. $B_c(1{}^1S_0)$, $B_c^*(1{}^1S_0)$, $B_c(2{}^1S_0)$ and $B^*_c(2{}^3S_1)$, at future $e^+e^-$ colliders within the framework of non-relativistic QCD.…

High Energy Physics - Phenomenology · Physics 2022-12-07 Xi-Jie Zhan , Xing-Gang Wu , Xu-Chang Zheng

We calculate the production of a W boson in association with up to two jets including at least one b-jet to next-to-leading order (NLO) in QCD at the CERN Large Hadron Collider with 7 TeV center-of-mass energy. Both exclusive and inclusive…

High Energy Physics - Phenomenology · Physics 2013-03-20 F. Caola , J. M. Campbell , F. Febres Cordero , L. Reina , D. Wackeroth

We present the full next-to-leading order (NLO) corrected inclusive cross section for massive lepton pair production in longitudinally polarized proton-proton collisions. All QCD partonic subprocesses have been included provided the lepton…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. L. van Neerven

In this article we calculate the next-to-leading order (NLO) QCD corrections for single on-shell top-quark production in association with two jets at proton-proton colliders. The tW channel is assumed to be measured independently. The QCD…

High Energy Physics - Phenomenology · Physics 2020-01-29 Stefan Mölbitz , Le Duc Ninh , Peter Uwer

We present details of a calculation of the cross section for hadronic top-antitop production in next-to-leading order (NLO) QCD, including the decays of the top and antitop into bottom quarks and leptons. This calculation is based on matrix…

High Energy Physics - Phenomenology · Physics 2012-11-07 Ansgar Denner , Stefan Dittmaier , Stefan Kallweit , Stefano Pozzorini

We consider QCD radiative corrections to the production of W and Z bosons in hadron collisions. We present a fully exclusive calculation up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. To perform this NNLO…

High Energy Physics - Phenomenology · Physics 2009-09-02 S. Catani , L. Cieri , G. Ferrera , D. de Florian , M. Grazzini

NNLO QCD corrections to the production and decay of top-quark pairs allow performing precision phenomenology in inclusive and fiducial phase spaces. State-of-the-art predictions for top-quark pair production and their comparison to recent…

High Energy Physics - Phenomenology · Physics 2022-12-13 Rene Poncelet

We present predictions for the rapidity-differential cross sections of exclusive $\Upsilon$ photoproduction in ultraperipheral collisions (UPCs) of lead ions at the Large Hadron Collider (LHC). We work in the framework of collinear…

High Energy Physics - Phenomenology · Physics 2023-03-07 Kari J. Eskola , Christopher A. Flett , Vadim Guzey , Topi Löytäinen , Hannu Paukkunen

The calculation of NLO QCD corrections to the $t\bar{t}\to W^{+}W^{-}b\bar{b}\to e^{+}\nu_e \mu^{-}\bar{\nu}_{\mu}b\bar{b}$ process with complete off-shell effects, is briefly summarized. Besides the total cross section and its scale…

High Energy Physics - Phenomenology · Physics 2011-11-24 Malgorzata Worek

We compute the NLO QCD corrections to the pair production of W-bosons in association with two jets at the Tevatron and the LHC. This process is an important background to heavy Higgs-boson production in association with two jets, either in…

High Energy Physics - Phenomenology · Physics 2015-03-19 Tom Melia , Kirill Melnikov , Raoul Rontsch , Giulia Zanderighi

In this paper, we reanalyze the top-quark pair production at the next-to-next-to-leading order (NNLO) in QCD at future $e^+e^-$ colliders by using the Principle of Maximum Conformality (PMC) method. The PMC renormalization scales in…

High Energy Physics - Phenomenology · Physics 2024-02-06 Jin Ma , Sheng-Quan Wang , Ting Sun , Jian-Ming Shen , Xing-Gang Wu

We present the calculations of the next-to-leading order (NLO) QCD corrections to the inclusive total cross sections for the associated production of the $W^{\pm}H^{\mp}$ through $b\bar{b}$ annihilation in the Minimal Supersymmetric…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jun Gao , Chong Sheng Li , Zhao Li

In this work, we present a next-to-leading-order (NLO) study of $J/\psi + \gamma$ production via photon-photon fusion in proton-proton ultraperipheral collisions (UPCs) at $\sqrt{s_{NN}} = 14$ TeV. The calculation is performed within the…

High Energy Physics - Phenomenology · Physics 2025-10-14 Meng-Kun Jia , Xiao-Bo Jin , Kui-Yong Liu , Guang-Zhi Xu

We consider Standard Model Higgs boson production in association with a W boson in hadron collisions. We supplement the fully exclusive perturbative computation of QCD radiative effects up to next-to-next-to-leading order (NNLO) with the…

High Energy Physics - Phenomenology · Physics 2014-04-15 Giancarlo Ferrera , Massimiliano Grazzini , Francesco Tramontano

We present the calculations of the complete next-to-leading order (NLO) QCD corrections to the total cross section, invariant mass distribution and the forward-backward asymmetry ($\rm A_{FB}$) of top quark pair production mediated by $W'$…

High Energy Physics - Phenomenology · Physics 2015-06-03 Kai Yan , Jian Wang , Ding Yu Shao , Chong Sheng Li

We report on the calculation of the next-to-leading order QCD corrections to the production of W-boson pairs in association with a hard jet at the Tevatron and the LHC, which is an important source of background for Higgs and new-physics…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dittmaier , S. Kallweit , P. Uwer

Within the nonrelativistic QCD (NRQCD) factorization framework, we compute the long-awaited ${\mathcal O}(\alpha_s^2)$ correction for the exclusive double charmonium production process at $B$ factories, {\it i.e.}, $e^+e^-\to J/\psi+\eta_c$…

High Energy Physics - Phenomenology · Physics 2022-11-28 Feng Feng , Yu Jia , Zhewen Mo , Wen-Long Sang , Jia-Yue Zhang

Recently, the CMS and ATLAS Collaborations at the CERN Large Hadron Collider (LHC) have set exclusion limits on the quark compositeness scale by comparing their data to the leading order and the scaled next-to-leading order (NLO) QCD…

High Energy Physics - Phenomenology · Physics 2011-04-20 Jun Gao , Chong Sheng Li , Jian Wang , Hua Xing Zhu , C. -P. Yuan