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Related papers: Charged Current Drell-Yan Production at N3LO

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Precision predictions for phenomenologically interesting observables such as the t-tbar invariant mass distribution and forward-backward asymmetry in top-quark pair production at hadron colliders require control over the differential cross…

High Energy Physics - Phenomenology · Physics 2015-03-13 Valentin Ahrens , Andrea Ferroglia , Matthias Neubert , Ben D. Pecjak , Li Lin Yang

We present the calculations of the complete NLO inclusive total cross sections for pair production of neutral Higgs bosons through $b\bar b$ annihilation in the minimal supersymmetric standard model at the CERN Large Hadron Collider. In our…

High Energy Physics - Phenomenology · Physics 2009-11-11 Li Gang Jin , Chong Sheng Li , Qiang Li , Jian Jun Liu , Robert J. Oakes

The associated production of a Higgs boson with a top-antitop quark pair is a crucial process at the LHC since it allows for a direct measurement of the top-quark Yukawa coupling. We present the computation of the radiative corrections to…

High Energy Physics - Phenomenology · Physics 2023-03-29 Stefano Catani , Simone Devoto , Massimiliano Grazzini , Stefan Kallweit , Javier Mazzitelli , Chiara Savoini

We calculate the complete next-to-leading order (NLO) QCD corrections to the $J/\psi +W$ associated production within the factorization formalism of nonrelativistic QCD at the $7 TeV$ LHC. We provide the numerical results for the…

High Energy Physics - Phenomenology · Physics 2013-08-09 Song Mao , Li Gang , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Guo Jian-You

We consider QCD radiative corrections to $ZZ$ production for all experimentally relevant leptonic processes. We report on a novel computation of next-to-next-to-leading-order (NNLO) corrections to the diboson signature with two charged…

High Energy Physics - Phenomenology · Physics 2018-10-17 Stefan Kallweit , Marius Wiesemann

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 investigate the QCD next-to-leading order (NLO) corrections to the production of a pair of fermionic dark matter particles associated with a W boson production through a mediator which couples to standard model particles via either a…

High Energy Physics - Phenomenology · Physics 2015-06-19 Song Mao , Li Gang , Ma Wen-Gan , Zhang Ren-You , Guo Jian-You

In this talk, we discuss the next-to-leading order (NLO) QCD corrections to the associated production of the vector gauge boson (Z/W\pm) and the graviton in the large extra dimension model, namely the ADD model, at the LHC. After a brief…

High Energy Physics - Phenomenology · Physics 2012-01-10 M. C. Kumar , Prakash Mathews , V. Ravindran , Satyajit Seth

The dilepton production process at hadron colliders in the Randall-Sundrum (RS) model is studied at next-to-leading order in QCD. The NLO-QCD corrections have been computed for the virtual graviton exchange process in the RS model, in…

High Energy Physics - Phenomenology · Physics 2009-11-11 Prakash Mathews , V. Ravindran , K. Sridhar

We calculate the next-to-leading order(NLO) QCD corrections to the $WH^0$ production in association with a jet at hadron colliders. We study the impacts of the complete NLO QCD radiative corrections to the integrated cross sections, the…

High Energy Physics - Phenomenology · Physics 2015-03-17 Su Ji-Juan , Ma Wen-Gan , Zhang Ren-You , Guo Lei

We consider lepton pair production at a hadron collider in a class of effective theories with the relevant operators being four-fermion contact interaction. Despite the nonrenormalizable nature of the interaction, we explicitly demonstrate…

High Energy Physics - Phenomenology · Physics 2009-11-11 Debajyoti Choudhury , Swapan Majhi , V. Ravindran

We review recently derived NNLO QCD results for top-pair production at hadron colliders. We compare the size of the NNLO corrections in $q\bar q\to t\bar t+X$ with the LO and NLO ones, and address the question of convergence of perturbative…

High Energy Physics - Phenomenology · Physics 2012-07-17 Peter Baernreuther , Michal Czakon , Alexander Mitov

A profound understanding of vector-boson production processes is of crucial importance at the LHC. The corresponding cross sections are large, and the final states are easy to reconstruct due to the clean signatures in the leptonic decay…

High Energy Physics - Phenomenology · Physics 2011-11-07 Tobias Kasprzik

Multi-lepton signatures appear in many new physics searches at the Large Hadron Collider. We here consider WWZ production with subsequent leptonic decay of the three vector bosons as a SM source of multi-lepton events. We have calculated…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Hankele , D. Zeppenfeld

Transverse Momentum Dependent (TMD) parton distributions obtained from the Parton Branching (PB) method are combined with next-to-leading-order (NLO) calculations of Drell-Yan (DY) production. We apply the MCatNLO method for the hard…

We discuss the impact of eligible top-quark pair production differential cross-section measurements at the LHC with a collision energy of 13 TeV on the parton distribution functions (PDFs) of the proton as well as the impact of approximate…

High Energy Physics - Phenomenology · Physics 2024-11-04 Alim Ablat , Sayipjamal Dulat , Marco Guzzi , Tie-Jiun Hou , Nikolaos Kidonakis , Ibrahim Sitiwaldi , Alberto Tonero , Keping Xie , C. -P. Yuan

We consider the production of $Z\gamma$ pairs at hadron colliders. We report on the first complete and fully differential computation of radiative corrections at next-to-next-to-leading order in QCD perturbation theory. We present selected…

High Energy Physics - Phenomenology · Physics 2015-06-17 M. Grazzini , S. Kallweit , D. Rathlev , A. Torre

We calculate Higher Order corrections to the resolved component of the electroproduction cross section of large-Et hadrons. The parton distributions in the virtual photon are studied in detail and a NLO parametrization of the latter is…

High Energy Physics - Phenomenology · Physics 2009-11-10 Michel Fontannaz

We present a next-to-leading-order QCD calculation for e+\nu e\mu+\nu\mu jj production in vector-boson fusion, i.e. the scattering of two positively charged W bosons at the LHC. We include the complete set of electroweak leading-order…

High Energy Physics - Phenomenology · Physics 2013-05-30 Ansgar Denner , Lucia Hosekova , Stefan Kallweit

We use aMC@NLO to study the production of four charged leptons at the LHC, performing parton showers with both HERWIG and Pythia6. Our underlying matrix element calculation features the full next-to-leading order $O(\alpha_S)$ result and…

High Energy Physics - Phenomenology · Physics 2015-05-30 Rikkert Frederix , Stefano Frixione , Valentin Hirschi , Fabio Maltoni , Roberto Pittau , Paolo Torrielli