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We present the first combination of NNLO QCD and NLO EW corrections for vector-boson pair production at the LHC. We consider all final states with two, three and four charged leptons, including resonant and non-resonant diagrams, spin…

High Energy Physics - Phenomenology · Physics 2020-02-27 Massimiliano Grazzini , Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Marius Wiesemann

We consider two-loop leading and next-to-leading logarithmic virtual corrections to arbitrary processes with external massless fermions in the electroweak Standard Model at energies well above the electroweak scale. Using the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , B. Jantzen , S. Pozzorini

We report on a detailed investigation of the next-to-leading order (NLO) QCD corrections to $W\gamma$+jet production at the Tevatron and the LHC using a fully-flexible parton-level Monte Carlo program. We include the full leptonic decay of…

High Energy Physics - Phenomenology · Physics 2011-04-22 Francisco Campanario , Christoph Englert , Michael Spannowsky

The production of W or Z bosons in association with two jets is an important background to the Higgs boson search in vector-boson fusion at the LHC. The purely electroweak component of this background is dominated by vector-boson fusion,…

High Energy Physics - Phenomenology · Physics 2009-11-10 Carlo Oleari , Dieter Zeppenfeld

We present a comprehensive analytic calculation of the next-to-next-to-leading order $\text{QCD} \otimes \text{EW}$ corrections to $Z$-boson pair production at electron-positron colliders. The two-loop master integrals essential to this…

High Energy Physics - Phenomenology · Physics 2024-08-05 Zhe Li , Ren-You Zhang , Shu-Xiang Li , Xiao-Feng Wang , Pan-Feng Li , Yi Jiang , Liang Han , Qing-hai Wang

The next-to-leading order QCD corrections to W gamma production in association with two jets via vector boson fusion are calculated, including the leptonic decay of the W with full off-shell effects and spin correlations. The process lends…

High Energy Physics - Phenomenology · Physics 2014-01-15 Francisco Campanario , Nicolas Kaiser , Dieter Zeppenfeld

A description of the Fortran program HECTOR for a variety of semi-analytical calculations of radiative QED, QCD, and electroweak corrections to the double-differential cross sections of NC and CC deep inelastic charged lepton proton (or…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Arbuzov , D. Bardin , J. Bluemlein , L. Kalinovskaya , T. Riemann

In this contribution recent results regarding the NLO electroweak corrections for vector boson production in association with jets are presented. Besides discussing the phenomenology of the fixed-order results, their corporation in existing…

High Energy Physics - Phenomenology · Physics 2016-09-07 Marek Schönherr , Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Philipp Maierhöfer

The results for one-loop correction to deep inelastic scattering of longitudinal polarized leptons on longitudinal polarized hadrons are obtained withing the framework of the standard theory of electroweak interactions and ordinary…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. V. Akushevich , A. N. Ilyichev , N. M. Shumeiko

Electroweak radiative corrections are computed for Higgs production through vector boson fusion, qq->qqH, which is one of the most promising channels for detecting and studying the Higgs boson at the LHC. Using soft-collinear effective…

High Energy Physics - Phenomenology · Physics 2012-09-25 Fabio Siringo , Giuseppe Buccheri

The complete electroweak O(alpha) corrections have been calculated for the charged-current four-fermion production processes e+e- --> nu_tau tau+ mu- anti-nu_mu, u anti-d mu- anti-nu_mu, and u anti-d s anti-c. Here, technical details of…

High Energy Physics - Phenomenology · Physics 2011-08-30 A. Denner , S. Dittmaier , M. Roth , L. H. Wieders

The calculation of the full electroweak O(alpha) corrections to the charged-current four-fermion production processes e+e- --> nu_tau tau+ mu- anti-nu_mu, u anti-d mu- anti-nu_mu, and u anti-d s anti-c is briefly reviewed. The calculation…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier , M. Roth , L. H. Wieders

Electroweak corrections to hadron collider processes become relevant at the level of precision reached by present-day LHC experiments. We provide a preliminary discussion of the impact of electroweak corrections to parton distributions,…

High Energy Physics - Phenomenology · Physics 2013-11-12 Stefano Carrazza

We discuss the next to the leading order (NLO) electroweak radiative corrections to the $e^- e^+ \rightarrow f^- f^+ (\gamma)$ cross section asymmetry, for polarized and unpolarized beam scenario. The left-right and forward-backward…

High Energy Physics - Phenomenology · Physics 2017-04-26 A. Aleksejevs , S. Barkanova , V. Zykunov

We apply the leading and sub-leading electroweak (EW) corrections to the Drell-Yan process of the neutralino pair production at proton-proton collision, in order to calculate the effects of the these corrections on the neutralino pair…

High Energy Physics - Phenomenology · Physics 2013-07-16 A. I. Ahmadov , M. Demirci

The O(\alpha) electroweak radiative corrections to the process pp, ppbar\to W \to\ell^\pm\nu (\ell=e,\mu) are calculated. The O(\alpha) corrections can be decomposed into separately gauge invariant contributions to the W boson production…

High Energy Physics - Phenomenology · Physics 2009-10-31 U. Baur , S. Keller , D. Wackeroth

We present theoretical predictions for the production of top-quark pairs in association with jets at the LHC including electroweak (EW) corrections. First, we present and compare differential predictions at the fixed-order level for $t \bar…

High Energy Physics - Phenomenology · Physics 2018-05-09 Christian Gütschow , Jonas M. Lindert , Marek Schönherr

In future collider experiments at the TeV scale, large logarithmic corrections originating from massive boson exchange can lead to significant corrections to observable cross sections. Recently double logarithms of the Sudakov-type were…

High Energy Physics - Phenomenology · Physics 2010-03-25 Michael Melles

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 2010-01-15 Stefan Dittmaier , Stefan Kallweit , Peter Uwer

We present theoretical calculations of higher-order QCD and electroweak corrections for the associated production of a top-antitop quark pair and a $W$ boson ($t{\bar t}W$ production) at LHC energies. We show predictions for cross sections…

High Energy Physics - Phenomenology · Physics 2024-06-25 Nikolaos Kidonakis , Chris Foster