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Related papers: Improving NLO QCD event generators with high-energ…

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We perform threshold resummation of soft gluon corrections to the total cross sections and the invariant mass distributions for production of a top-antitop quark pair associated with a heavy electroweak boson $V = W^+$, $W^-$ or $Z$ in $pp$…

High Energy Physics - Phenomenology · Physics 2019-03-27 Anna Kulesza , Leszek Motyka , Daniel Schwartländer , Tomasz Stebel , Vincent Theeuwes

Detailed and precise background predictions are the backbone of large parts of high-energy collider phenomenology. This requires to embed precision QCD calculations into detailed event generators, to produce comprehensive software…

High Energy Physics - Phenomenology · Physics 2022-02-03 Valerio Bertone , Stefan Prestel

The doubly-polarized production of $W^\pm Z$ pairs at the Large Hadron Collider (LHC) is presented at next-to-leading order (NLO) accuracy both for the electroweak (EW) and QCD corrections, including a detailed description of the…

High Energy Physics - Phenomenology · Physics 2022-08-22 Duc Ninh Le , Julien Baglio , Thi Nhung Dao

In the present work we consider the assignment of the factorization and renormalization scales in hadron collider processes with associated jet production, at next-to-leading order (NLO) in perturbation theory. We propose a simple, definite…

High Energy Physics - Phenomenology · Physics 2015-06-05 Keith Hamilton , Paolo Nason , Giulia Zanderighi

Electroweak Sudakov logarithms at high energy, of the form alpha/sin^2 theta_W^n log^m s/M_{Z,W}^2, are summed using effective theory (EFT) methods. The exponentiation of Sudakov logarithms and factorization is discussed in the EFT…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jui-yu Chiu , Randall Kelley , Aneesh V. Manohar

We present novel predictions for the production of $W^+W^-$ pairs in hadron collisions that are next-to-next-to-leading order accurate and consistently matched to a parton shower (NNLOPS). All diagrams that lead to the process $pp\to e^-…

High Energy Physics - Phenomenology · Physics 2019-01-30 Emanuele Re , Marius Wiesemann , Giulia Zanderighi

We present the first calculation of the full next-to-leading-order electroweak and QCD corrections for vector-boson scattering (VBS) into a pair of Z bosons at the LHC. We consider specifically the process ${\rm pp\to…

High Energy Physics - Phenomenology · Physics 2020-12-07 Ansgar Denner , Robert Franken , Mathieu Pellen , Timo Schmidt

Results for the complete NLO electroweak corrections to Standard Model Higgs production via gluon fusion are included in the total cross section for hadronic collisions. Artificially large threshold effects are avoided working in the…

High Energy Physics - Phenomenology · Physics 2008-12-18 S. Actis , G. Passarino , C. Sturm , S. Uccirati

Presented are complete next-to-leading order electroweak (NLO EW) corrections to top-squark pair production at the Large Hadron Collider (LHC) within the Minimal Supersymmetric Standard Model (MSSM). At this order, also effects from the…

High Energy Physics - Phenomenology · Physics 2009-02-18 Wolfgang Hollik , Monika Kollar , Maike K. Trenkel

We compute the contribution of order $\alpha_S^2\alpha^2$ to the cross section of a top-antitop pair in association with at least one heavy Standard Model boson -- $Z$, $W^\pm$, and Higgs -- by including all effects of QCD, QED, and weak…

High Energy Physics - Phenomenology · Physics 2015-04-15 S. Frixione , V. Hirschi , D. Pagani , H. -S. Shao , M. Zaro

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

We describe predictions for top-quark pair differential distributions at hadron colliders, which combine state-of-the-art NNLO QCD calculations and NLO electroweak corrections together with double resummation at NNLL$'$ accuracy of…

We consider $W^+W^-$ production in hadronic collisions and present the computation of next-to-next-to-leading order accurate predictions consistently matched to parton showers (NNLO+PS) using the MiNNLO$_{\rm PS}$ method. Spin correlations,…

High Energy Physics - Phenomenology · Physics 2022-01-05 Daniele Lombardi , Marius Wiesemann , Giulia Zanderighi

In this paper we present the NLO QCD + NLO EW corrections to the $ZZZ$ production with subsequent $Z$-boson leptonic decays at the LHC by adopting the improved narrow width approximation, which takes into account off-shell contributions and…

High Energy Physics - Phenomenology · Physics 2016-10-20 Wang Hong , Zhang Ren-You , Ma Wen-Gan , Guo Lei , Li Xiao-Zhou , Wang Shao-Ming

Experiments at the future colliders LHC and ILC will, for the first time, explore electroweak reactions at energies in the TeV region, i.e. far beyond the masses of the W and Z bosons. In exclusive processes without the emission of massive…

High Energy Physics - Phenomenology · Physics 2008-05-07 Bernd Jantzen

This talk summarizes the first calculation of the next-to-leading-order electroweak corrections to W-boson + jet hadroproduction including leptonic W-boson decays [1]. The W-boson resonance is treated consistently using the complex-mass…

High Energy Physics - Phenomenology · Physics 2014-11-20 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

We present a first application of a previously published method for the computation of QCD processes that is accurate at next-to-leading order, and that can be interfaced consistently to standard shower Monte Carlo programs. We have…

High Energy Physics - Phenomenology · Physics 2009-11-11 Paolo Nason , Giovanni Ridolfi

The prospective Higgs factories, exemplified by ILC, FCC-ee and CEPC, plan to conduct the precision Higgs measurements at the $e^+e^-$ center-of-mass energy around 250 GeV. The cross sections for the dominant Higgs production channel, the…

High Energy Physics - Phenomenology · Physics 2017-09-13 Qing-Feng Sun , Feng Feng , Yu Jia , Wen-Long Sang

Precision studies of the production of a high-transverse momentum lepton in association with missing energy at hadron colliders require that electroweak and QCD higher-order contributions are simultaneously taken into account in theoretical…

High Energy Physics - Phenomenology · Physics 2010-01-22 G. Balossini , C. M. Carloni Calame , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini , M. Treccani , A. Vicini

We present results on the strong and electroweak NLO corrections to the production of a Higgs boson plus two hard jets via weak interactions at the LHC. The calculation includes all weak-boson fusion and quark-antiquark annihilation…

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