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Related papers: Next-to-leading-order QCD corrections to $e^+e^-\t…

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We present the next-to-leading-order (NLO) QCD corrections to the inclusive total cross section for the production of a Higgs boson in association with a top anti-top quark pair within the Standard Model at the Tevatron and the LHC.

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Dawson , L. H. Orr , L. Reina , D. Wackeroth

The next-to-leading order QCD corrections to the Standard Model process of single top production, $bg \to t W^-$, for the CERN Large Hadron Collider with $\sqrt{s}=14$ TeV have been calculated. For renormalization and factorization scales…

High Energy Physics - Phenomenology · Physics 2009-11-07 Shou-hua Zhu

The loop-induced processes gg -> h,H,A provide the dominant Higgs boson production mechanisms at the Tevatron and LHC in a large range of the minimal supersymmetric extension of the Standard Model. For squark masses below \sim 400 GeV…

High Energy Physics - Phenomenology · Physics 2008-11-26 Margarete Mühlleitner , Michael Spira

We compute the next-to-leading order (NLO) QCD corrections to the gluon-fusion subprocess of diphoton-plus-jet production at the LHC. We compute fully differential distributions by combining two-loop virtual corrections with one-loop real…

High Energy Physics - Phenomenology · Physics 2021-12-01 Simon Badger , Thomas Gehrmann , Matteo Marcoli , Ryan Moodie

We present predictions for top anti-top bottom anti-bottom production at the LHC in next-to-leading order QCD. The precise description of this background process is a prerequisite to observe associated top anti-top Higgs production in the…

High Energy Physics - Phenomenology · Physics 2015-05-18 Axel Bredenstein , Ansgar Denner , Stefan Dittmaier , Stefano Pozzorini

We calculate the NNLO QCD corrections to diphoton production with an additional jet at the LHC. Our calculation represents the first NNLO-accurate prediction for the transverse momentum distribution of the diphoton system. The improvement…

High Energy Physics - Phenomenology · Physics 2021-12-08 Herschel A. Chawdhry , Michal Czakon , Alexander Mitov , Rene Poncelet

The $J/\psi+Z^0$ associated production at the LHC is an important process in investigating the color-octet mechanism of non-relativistic QCD in describing the processes involving heavy quarkonium. We calculate the next-to-leading order…

High Energy Physics - Phenomenology · Physics 2012-11-20 Song Mao , Ma Wen-Gan , Li Gang , Zhang Ren-You , Guo Lei

We present results for W-boson production at large transverse momentum at LHC and Tevatron energies. We calculate complete next-to-leading-order (NLO) QCD corrections and higher-order soft-gluon corrections to the differential cross…

High Energy Physics - Phenomenology · Physics 2015-06-03 Nikolaos Kidonakis , Richard J. Gonsalves

We calculate the next-to-leading-order (NLO) QCD correction to $e^+e^-\to J/\psi c \bar{c}$ at the B factories, and present theoretical predictions on the momentum and production angular distribution for $J/\psi$ production, and momentum…

High Energy Physics - Phenomenology · Physics 2009-11-06 Bin Gong , Jian-Xiong Wang

We consider the production of the Standard Model Higgs boson through the gluon fusion mechanism in hadron collisions. We present the next-to-next-to-leading order (NNLO) QCD result of the hard-collinear coefficient function for the…

High Energy Physics - Phenomenology · Physics 2015-05-28 S. Catani , M. Grazzini

We construct an approximate expression for the cross section for Higgs production in gluon fusion at next-to-next-to-next-to-leading order (N$^3$LO) in $\alpha_s$ with finite top mass. We argue that an accurate approximation can be…

High Energy Physics - Phenomenology · Physics 2014-07-04 Richard D. Ball , Marco Bonvini , Stefano Forte , Simone Marzani , Giovanni Ridolfi

We present the next-to-leading order QCD corrected total cross sections and the distributions of the transverse momenta of the final anti-bottom-quark, top-quark and charged Higgs-boson for the processes of $p\bar p/pp \to t\bar b H^-+X$ in…

High Energy Physics - Phenomenology · Physics 2014-11-18 Wu Peng , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Han Liang , Guo Lei

We present numerical results on the recently completed $O(\alpha^2)$ initial state corrections to the process $e^+e^- \rightarrow \gamma^*/Z^*$, which is a central process at past and future high energy and high luminsoity colliders for…

High Energy Physics - Phenomenology · Physics 2020-01-08 J. Blümlein , A. De Freitas , C. G. Raab , K. Schönwald

The radiative corrections of the strong and electroweak interactions are calculated at next-to-leading order for Higgs-boson production in the weak-boson-fusion channel at hadron colliders. Specifically, the calculation includes all…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mariano Ciccolini , Ansgar Denner , Stefan Dittmaier

We present numerical results for the production of a $W^+W^-$ pair in association with a jet at the LHC in QCD at next-to-leading order (NLO). We include effects of the decay of the massive vector bosons into leptons with spin correlations…

High Energy Physics - Phenomenology · Physics 2009-04-17 John M. Campbell , R. Keith Ellis , G. Zanderighi

The total cross section for Higgs production in bottom-quark annihilation is evaluated at next-to-next-to-leading order (NNLO) in QCD. This is the first time that all terms at order alpha_s^2 are taken into account. We find a greatly…

High Energy Physics - Phenomenology · Physics 2009-11-10 Robert V. Harlander , William B. Kilgore

We argue that the leading-order subprocess for Higgs-boson production in association with bottom quarks is (b\bar{b} -> H). This process is an important source of Higgs bosons with enhanced Yukawa coupling to bottom quarks. We calculate the…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Dicus , T. Stelzer , Z. Sullivan , S. Willenbrock

I present approximate next-to-next-to-leading-order (aNNLO) total and differential cross sections for charged Higgs production in association with a top quark at LHC energies. The aNNLO results for the process $bg \rightarrow tH^-$ are…

High Energy Physics - Phenomenology · Physics 2016-07-13 Nikolaos Kidonakis

The decay $B \to X_s \gamma$ is studied at the Next to Leading Order in QCD in a class of models containing at least two Higgs doublets and with only one charged Higgs boson non-decoupled at low-energy. The two-loop matching condition is…

High Energy Physics - Phenomenology · Physics 2011-01-05 F. Borzumati , C. Greub

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

High Energy Physics - Phenomenology · Physics 2008-11-26 Stefan Dittmaier , Stefan Kallweit , Peter Uwer
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