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Related papers: Next-to-Leading Order QCD Corrections and Massive …

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We present differential cross sections for the production of top-quark pairs in conjunction with up to two jets, computed at next-to leading order in perturbative QCD and consistently merged with a parton shower in the Sherpa+OpenLoops…

High Energy Physics - Phenomenology · Physics 2015-07-01 Stefan Höche , Frank Krauss , Philipp Maierhoefer , Stefano Pozzorini , Marek Schonherr , Frank Siegert

We calculate the complete next-to-leading order (NLO) QCD corrections to the $Z^0H^0$ production in association with a jet at the LHC. We study the impacts of the NLO QCD radiative corrections to the integrated and differential cross…

High Energy Physics - Phenomenology · Physics 2012-03-29 Su Ji-Juan , Guo Lei , Ma Wen-Gan , Zhang Ren-You , Ling Liu-Sheng , Han Liang

We present a next-to-leading order computation in QCD of one-jet and two-jet cross sections in polarized hadronic collisions. Our results are obtained in the framework of a general formalism that deals with soft and collinear singularities…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. de Florian , S. Frixione , A. Signer , W. Vogelsang

We report the results of a computation of the full next-to-leading order QCD corrections to the production of two $b\bar{b}$ pairs at the LHC. This calculation at the parton level provides predictions for well separated $b$-jets. The…

High Energy Physics - Phenomenology · Physics 2011-09-29 Nicolas Greiner , Alberto Guffanti , Thomas Reiter , Jürgen Reuter

We have implemented a systematic procedure for combining parton shower algorithms with next-to-leading order QCD calculations for the case of jet production in deep-inelastic electron-proton scattering. Using this method we have computed…

High Energy Physics - Phenomenology · Physics 2009-11-07 B. Pötter , T. Schörner

We present next-to-leading order QCD predictions for a variety of distributions in W+3-jet production at both the Tevatron and the Large Hadron Collider. We include all subprocesses and incorporate the decay of the W boson into leptons. Our…

High Energy Physics - Phenomenology · Physics 2009-11-05 C. F. Berger , Z. Bern , L. J. Dixon , F. Febres Cordero , D. Forde , T. Gleisberg , H. Ita , D. A. Kosower , D. Maitre

We report on the calculation of the next-to-leading order QCD corrections to the production of top--antitop-quark pairs in association with a hard jet at the Tevatron and at the LHC. Results for integrated and differential cross sections…

High Energy Physics - Phenomenology · Physics 2009-11-13 S. Dittmaier , P. Uwer , S. Weinzierl

The dipole subtraction method for calculating next-to-leading order corrections in QCD was originally only formulated for massless partons. In this paper we extend its definition to include massive partons, namely quarks, squarks and…

High Energy Physics - Phenomenology · Physics 2009-07-09 Stefano Catani , Stefan Dittmaier , Michael H. Seymour , Zoltan Trocsanyi

The 3-loop heavy flavor corrections to deep-inelastic scattering are essential for consistent next-to-next-to-leading order QCD analyses. We report on the present status of the calculation of these corrections at large virtualities $Q^2$.…

High Energy Physics - Phenomenology · Physics 2014-11-21 J. Blümlein , A. De Freitas , C. Schneider

We review in some detail the QCD corrections to the measurement of the forward-backward charge asymmetry of heavy quarks in the $\mathrm{e^+e^-\rightarrow Q\overline{Q}(g)}$ process at the Z pole. We show that the size of these corrections…

High Energy Physics - Phenomenology · Physics 2021-05-03 Juan Alcaraz Maestre

We consider the production of heavy quark jets at the $Z$-pole at the next-to-leading order (NLO) using the {\it Cambridge jet-algorithm}. We study the effects of the quark mass in two- and three-jet observables and the uncertainty due to…

High Energy Physics - Phenomenology · Physics 2009-10-31 Mikhail Bilenky , Susana Cabrera , Joan Fuster , Salvador Marti , German Rodrigo , Arcadi Santamaria

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 hadron colliders, which is an important source of background for Higgs and new-physics searches.…

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

We consider within QCD collinear factorization the process p+p to jet + jet +X, where two forward high-$p_T$ jets are produced with a large separation in rapidity $\Delta y$ (Mueller-Navelet jets). In this case the (calculable) hard part of…

High Energy Physics - Phenomenology · Physics 2015-06-04 Dmitry Yu. Ivanov , Alessandro Papa

We compute the next-to-leading order corrections in $\alpha_s$ to prompt diphoton production in association with a jet at hadron colliders. We use a next-to-leading order general-purpose partonic Monte Carlo event generator that allows the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Vittorio Del Duca , Fabio Maltoni , Zoltan Nagy , Zoltan Trocsanyi

Expressions for Sudakov form factors for heavy quarks are presented. They are used to construct resummed jet rates for up to four jets in $e^+e^-$ annihilation. The coefficients of leading and next-to-leading logarithmic corrections,…

High Energy Physics - Phenomenology · Physics 2015-06-25 Frank Krauss , German Rodrigo

The calculations for the production of heavy quarks in deeply inelastic scattering (DIS) can be seen as an illustrative example in the framework of perturbative Quantum Chromo Dynamics (pQCD). In this thesis, I give an overview of all steps…

High Energy Physics - Phenomenology · Physics 2020-05-18 Felix Hekhorn

We discuss the leading-logarithmic power corrections in the $N$-jettiness subtraction scheme for higher-order perturbative QCD calculations. We compute the next-to-leading order power corrections for an arbitrary $N$-jet process, and we…

High Energy Physics - Phenomenology · Physics 2017-04-05 Radja Boughezal , Xiaohui Liu , Frank Petriello

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

The weak-boson fusion process is expected to provide crucial information on Higgs boson couplings at the Large Hadron Collider at CERN. The achievable statistical accuracy demands comparison with next-to-leading order QCD calculations,…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Figy , C. Oleari , D. Zeppenfeld

In this paper we study the fragmentation of a parton into a jet containing a heavy quark. When heavy quarks are involved in a jet, the quark mass can lead to a numerically significant correction to the jet cross section and its…

High Energy Physics - Phenomenology · Physics 2024-11-07 Lin Dai , Chul Kim , Adam K. Leibovich