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We compute the one-loop corrections to $Z$ decay properties from dimension-6 operators in the Standard Model Effective Field Theory (SMEFT) that contribute also to anomalous 3-gauge boson couplings and examine the relative sensitivity of…

High Energy Physics - Phenomenology · Physics 2018-11-14 Sally Dawson , Ahmed Ismail

We present the complete next-to-leading order (NLO) QCD and NLO electroweak (EW) corrections to the $W$-boson pair production associated with a hard jet at the LHC including the spin correlated $W$-boson leptonic decays. The dependence of…

High Energy Physics - Phenomenology · Physics 2015-09-15 Li Wei-Hua , Zhang Ren-You , Ma Wen-Gan , Guo Lei , Li Xiao-Zhou , Zhang Yu

We study nonlinear effective field theories (EFTs) with factorially growing perturbative expansions, focusing on a class in which the relative entropy encodes an infinite tower of higher-dimensional operators. Using the resummed relative…

High Energy Physics - Theory · Physics 2026-04-28 Pietro Conzinu , Daiki Ueda

Motivated by the restoration of $SU(2)\times U(1)$ at high energy, we suggest that certain ratios of diboson differential cross sections can be used as high-precision observables at the LHC. We rewrite leading-order diboson partonic cross…

High Energy Physics - Phenomenology · Physics 2016-04-20 Christopher Frye , Marat Freytsis , Jakub Scholtz , Matthew J. Strassler

In this paper we present the full NLO QCD + NLO EW corrections to the $Z$-boson pair production in association with a hard jet at the LHC. The subsequent $Z$-boson leptonic decays are included by adopting both the naive NWA and MadSpin…

High Energy Physics - Phenomenology · Physics 2016-07-27 Wang Yong , Zhang Ren-You , Ma Wen-Gan , Li Xiao-Zhou , Guo Lei

First results on the radiative corrections of order O(N_f\alpha_s\alpha) are presented for the off-shell production of W or Z bosons at the LHC, where N_f is the number of fermion flavours. These corrections comprise all diagrams at…

High Energy Physics - Phenomenology · Physics 2021-02-03 Stefan Dittmaier , Timo Schmidt , Jan Schwarz

We investigate the impact of electroweak corrections and effective field theory operators on $W^+W^-$ production at the Large Hadron Collider (LHC). Utilizing the Standard Model effective-field theory (SMEFT) framework, we extend the…

High Energy Physics - Phenomenology · Physics 2025-02-03 Shankha Banerjee , Daniel Reichelt , Michael Spannowsky

Triple-W-boson production in proton-proton collisions allows for a direct access to the triple and quartic gauge couplings and provides a window to the mechanism of electroweak symmetry breaking. It is an important process to test the…

High Energy Physics - Phenomenology · Physics 2017-09-20 Stefan Dittmaier , Alexander Huss , Gernot Knippen

We compute the dominant term in the expansion in rho=1-M_W/m_t of the unknown next-to-next-to-leading order (NNLO) nonresonant contributions to the e+ e- -> W+ W- b bbar total cross section at energies close to the top-antitop threshold.…

High Energy Physics - Phenomenology · Physics 2014-05-14 Pedro Ruiz-Femenia

In this contribution, we present new results of next-to-leading order (NLO) electroweak corrections to the doubly polarized $W^+W^-$ production cross sections at the LHC, via the full leptonic final state. This calculation has been recently…

High Energy Physics - Phenomenology · Physics 2025-05-27 Thi Nhung Dao , Duc Ninh Le

We review exclusive top pair production including decays at a future high-energy lepton collider, both in the threshold region and for higher energies. For the continuum process, we take complete QCD next-to-leading order matrix elements…

We study top-antitop pair production in proton-proton collisions within the Standard Model Effective Field Theory (SMEFT) at dimension 6. We focus on the top chromomagnetic operator $C_{tG}$ together with the four-quark operators relevant…

High Energy Physics - Phenomenology · Physics 2026-04-02 Nikolaos Kidonakis , Kaan Şimşek

Diboson production is of prime interest at the LHC particularly due to its sensitivity to the gauge-boson self interaction, allowing to test its Standard Model prediction with high precision and to search for possible deviations with…

High Energy Physics - Phenomenology · Physics 2018-07-27 Mauro Chiesa , Ansgar Denner , Jean-Nicolas Lang

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

The tri-boson production is one of the key processes for the study of quartic gauge couplings. Next-to-leading order (NLO) corrections are mandatory to reduce theoretical uncertainties. In this study, the most up-to-date predictions…

High Energy Physics - Phenomenology · Physics 2013-10-24 Dao Thi Nhung , Le Duc Ninh , Marcus M. Weber

We revisit the calculation of the next-to-leading order (NLO) corrections to dijet production in electron-ion collisions at small $x$. We focus on the back-to-back configuration where the relative transverse momentum $P_\perp$ of the…

High Energy Physics - Phenomenology · Physics 2025-10-10 Paul Caucal , Edmond Iancu , Farid Salazar , Feng Yuan

We report on a recent calculation of the full next-to-leading-order electroweak corrections to Z-boson pair production with subsequent decays into four charged leptons. Using the complete matrix elements at leading order and next-to-leading…

High Energy Physics - Phenomenology · Physics 2017-07-05 Benedikt Biedermann

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 calculate the production of a W boson in association with up to two jets including at least one b-jet to next-to-leading order (NLO) in QCD at the CERN Large Hadron Collider with 7 TeV center-of-mass energy. Both exclusive and inclusive…

High Energy Physics - Phenomenology · Physics 2013-03-20 F. Caola , J. M. Campbell , F. Febres Cordero , L. Reina , D. Wackeroth

We consider the diphoton excess observed by ATLAS and CMS using the most up-to-date data and estimate the preferred enhancement in the production rate between 8 TeV and 13 TeV. Within the framework of effective field theory (EFT), we then…

High Energy Physics - Phenomenology · Physics 2016-08-03 Jernej F. Kamenik , Benjamin R. Safdi , Yotam Soreq , Jure Zupan
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