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Recently, a measurement of the vector-boson scattering process with same-sign W bosons has been reported by the CMS collaboration. Hence it is of prime importance to have precise predictions with next-to-leading order (NLO) accuracy. In…

High Energy Physics - Phenomenology · Physics 2017-08-03 Benedikt Biedermann , Ansgar Denner , Mathieu Pellen

We present new results of next-to-leading order (NLO) electroweak corrections to doubly-polarized cross sections of $W^+W^-$ production at the LHC. The calculation is performed for the leptonic final state of $e^+\mu_e \mu^- \bar{\nu}_\mu$…

High Energy Physics - Phenomenology · Physics 2024-09-26 Thi Nhung Dao , Duc Ninh Le

RACOONWW is the first Monte Carlo generator for e+e- --> WW --> 4f(+gamma) that includes the electroweak O(alpha) radiative corrections in the double-pole approximation completely. Some numerical results for LEP2 energies are discussed, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier , M. Roth , D. Wackeroth

We present next-to-leading order (NLO) calculations including QCD and electroweak (EW) corrections for $2\ell2\nu$ diboson signatures with two opposite-charge leptons and two neutrinos. Specifically, we study the processes $pp\to e^+ \mu^-…

High Energy Physics - Phenomenology · Physics 2017-12-25 S. Kallweit , J. M. Lindert , S. Pozzorini , M. Schonherr

RACOONWW is the first Monte Carlo generator for e+e- --> WW --> 4f(+gamma) that includes the electroweak O(alpha) radiative corrections in the double-pole approximation completely. Some numerical results for LEP2 energies are discussed, and…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Denner , S. Dittmaier , M. Roth , D. Wackeroth

At present and future hadron colliders, the precision physics program started in the past will be continued. In particular, a precise determination of the W boson mass will be carried out. This requires the calculation of the radiative…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. M. Carloni Calame , G. Montagna , O. Nicrosini , M. Treccani

We present the full order alpha electroweak radiative corrections to e+e- -> e+e-H. The computation is performed with the help of GRACE-loop. The extraction of the full QED corrections is performed, these are quite large at threshold. The…

High Energy Physics - Phenomenology · Physics 2009-11-10 F. Boudjema , J. Fujimoto , T. Ishikawa , T. Kaneko , K. Kato , Y. Kurihara , Y. Shimizu , Y. Yasui

We present next-to-leading order (NLO) predictions including QCD and electroweak (EW) corrections for the production and decay of off-shell electroweak vector bosons in association with up to two jets at the 13 TeV LHC. All possible…

High Energy Physics - Phenomenology · Physics 2016-05-04 Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Marek Schönherr , Philipp Maierhöfer

We present a fully differential calculation of lepton pair production, taking into account the dominant next-to-next-to-leading order QED corrections as well as next-to-leading order electroweak and polarisation effects. We include all…

High Energy Physics - Phenomenology · Physics 2023-10-19 Sophie Kollatzsch , Yannick Ulrich

We summarize the status of automated NLO SM corrections for hadron and lepton collider processes in the multi-purpose event generator WHIZARD. The focus will be on NLO EW and QCD-EW mixed corrections at the LHC. Also, recent progress on the…

High Energy Physics - Phenomenology · Physics 2022-10-14 Pia Bredt , Jürgen Reuter , Pascal Stienemeier

In this work we give a detailed description of a method for the calculation of QCD corrections to electroweak processes in dimensional regularization that does not require any definition of the gamma_5 matrix in d dimensions. This method…

High Energy Physics - Phenomenology · Physics 2009-10-28 Giancarlo Cella , Giuseppe Curci , Giulia Ricciardi , Andrea Vicere'

The new methodology of adding QCD NLO corrections in the initial state Monte Carlo parton shower (hard process part) is presented using process of the heavy boson production at the LHC as an example. Despite the simplified model of the…

High Energy Physics - Phenomenology · Physics 2012-10-31 S. Jadach , A. Kusina , M. Skrzypek , M. Slawinska

Electroweak radiative corrections to the cross section of the process $e^+ e^- \to Z H$ are considered. The complete one-loop electroweak radiative corrections are evaluated with the help of the SANC system. Higher-order contributions of…

High Energy Physics - Phenomenology · Physics 2021-05-26 Andrej Arbuzov , Serge Bondarenko , Lidia Kalinovskaya , Renat Sadykov , Vitaly Yermolchyk

Radiative corrections to the single top s and t channel production processes are revisited. Complete one-loop electroweak corrections are calculated within the SANC system. New is a study of the regularisation of the top-legs associated…

High Energy Physics - Phenomenology · Physics 2011-11-03 D. Bardin , S. Bondarenko , L. Kalinovskaya , V. Kolesnikov , W. von Schlippe

The relevance of single-W and single-Z production processes at hadron colliders is well known: in the present paper the status of theoretical calculations of Drell-Yan processes is summarized and some results on the combination of…

High Energy Physics - Phenomenology · Physics 2008-12-22 G. Balossini , C. M. Carloni Calame , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini , M. Treccani , A. Vicini

We compare the three general-purpose Monte Carlo event generators, HERWIG, PYTHIA, and SHEPRA for jet photoproduction processes in $e^+e^-$ and $ep$ collisions. Due to the lower energy scales probed, photoproduction is particularly…

High Energy Physics - Phenomenology · Physics 2026-05-06 Ilkka Helenius , Peter Meinzinger , Simon Plätzer , Peter Richardson

Complete one-loop electroweak corrections to neutral current Drell-Yan process $p p \to \ell^+\ell^- X$ are presented for the case of longitudinal polarization of initial particles. Cross sections for longitudinally polarized protons allow…

High Energy Physics - Phenomenology · Physics 2023-05-10 S. Bondarenko , Ya. Dydyshka , L. Kalinovskaya , R. Sadykov , V. Yermolchyk

Measurements of vector boson polarisation in vector boson production processes offer a powerful probe of the electroweak symmetry breaking mechanism, scrutinising the Standard Model and new physics scenarios alike. Since massive vector…

High Energy Physics - Phenomenology · Physics 2023-10-24 Mareen Hoppe , Marek Schönherr , Frank Siegert

We provide and discuss the precision predictions for the $W^+W^-\gamma$ production at the ILC including the full electroweak (EW) one-loop corrections and high order initial state radiation (ISR) contributions in the Standard Model. The…

High Energy Physics - Phenomenology · Physics 2014-12-30 Chen Chong , Ma Wen-Gan , Zhang Ren-You , Zhang Yu , Chen Liang-Wen , Guo Lei

We describe the new version of the Monte Carlo event generator WOPPER for four fermion production through W-pairs including resummed leading logarithmic QED radiative corrections. Among the new features included are singly resonant…

High Energy Physics - Phenomenology · Physics 2008-02-03 Harald Anlauf , Panagiotis Manakos , Thorsten Ohl , Hans Dieter Dahmen