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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 in detail the calculation of the O(alpha_s^3) inclusive total cross section for the process pp -> t-tbar-h, in the Standard Model, at the CERN Large Hadron Collider with center-of-mass energy sqrt(s_H)=14 TeV. The calculation is…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Dawson , C. Jackson , L. H. Orr , L. Reina , D. Wackeroth

The associated production of Higgs boson with a hard photon at lepton collider, i.e., $e^+e^-\to H\gamma$, is known to bear a rather small cross section in Standard Model, and can serve as a sensitive probe for the potential new physics…

High Energy Physics - Phenomenology · Physics 2017-11-22 Wen-Long Sang , Wen Chen , Feng Feng , Yu Jia , Qing-Feng Sun

The detailed study of vector-boson pair production processes at the LHC will lead to a better understanding of electroweak physics. As pointed out before, a consistent inclusion of higher-order electroweak effects in the analysis of…

High Energy Physics - Phenomenology · Physics 2014-01-17 Stefan Gieseke , Tobias Kasprzik , Johann H. Kühn

The production of a Higgs boson in association with a pair of top-antitop or bottom-antibottom quarks plays a very important role at both the Tevatron and the Large Hadron Collider. The theoretical prediction of the corresponding cross…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Dawson , C. B. Jackson , L. H. Orr , L. Reina , D. Wackeroth

We present the full one-loop radiative corrections to pair production of neutralinos in e+e- collisions within the Minimal Supersymmetric Standard Model. Particular attention is paid to the definition of weak and QED corrections. The…

High Energy Physics - Phenomenology · Physics 2010-04-05 W. Oeller , H. Eberl , W. Majerotto

QCD corrections to the electroweak one-loop result for the partial width $\Gamma(H\rightarrow b\bar{b})$ are studied. For the decay channel into bottom quarks the rate is affected by a virtual top quark through electroweak interactions. The…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Kwiatkowski , M. Steinhauser

We compute the complete next-to-leading order electroweak corrections to the form factors entering gluon-induced Higgs boson pair production. We consider the top quark contribution in the limit where the Mandelstam variables are much larger…

High Energy Physics - Phenomenology · Physics 2026-03-11 Joshua Davies , Kay Schönwald , Matthias Steinhauser , Hantian Zhang

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 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 2008-11-26 S. Dittmaier , S. Kallweit , P. Uwer

We present the first study of the production of a Standard Model Higgs boson at a lepton collider in association with a pair of W bosons, $e^+_{} e^-_{} \to W^+_{} W^-_{} H$, in the inverse seesaw model. Taking into account all relevant…

High Energy Physics - Phenomenology · Physics 2018-10-05 Julien Baglio , Silvia Pascoli , Cedric Weiland

We evaluate the QED corrections due to initial state radiation (ISR) to associated Higgs boson production in electron-positron ($e^+ e^-$) annihilation at typical energies of interest for the measurement of the Higgs properties at future…

High Energy Physics - Phenomenology · Physics 2018-01-17 Mario Greco , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini , Gabriele Volpi

The implementation of the full next-to-leading order (NLO) QCD corrections to electroweak Higgs boson plus three jet production at hadron colliders such as the LHC within the Matchbox NLO framework of the Herwig++ event generator is…

High Energy Physics - Phenomenology · Physics 2013-11-22 Francisco Campanario , Terrance M. Figy , Simon Plätzer , Malin Sjödahl

We investigate the potential of future electron-positron colliders, such as FCC-ee and CEPC, to probe 2-Higgs-doublet models (2HDMs) that facilitate a strong first-order electroweak phase transition (SFOEWPT), a necessary condition for…

High Energy Physics - Phenomenology · Physics 2025-10-31 Anisha , Francisco Arco , Stefano Di Noi , Christoph Englert , Margarete Mühlleitner

We calculate the Yukawa corrections of order $O(\alpha_{ew}m_{t(b)}^{2}/m_{W}^{2})$ to charged Higgs boson production in association with a top quark at the Tevatron and the LHC. The corrections are not very sensitive to the mass of the…

High Energy Physics - Phenomenology · Physics 2019-08-17 Li Gang Jin , Chong Sheng Li , Robert J. Oakes , Shou Hua Zhu

Gluon fusion, $gg\to HH$, is the dominant Higgs-pair production process at the Large Hadron Collider (LHC) and provides the first direct access to the trilinear Higgs self-interaction. The process is loop-induced, with the main contribution…

We determine the NNLO electroweak correction to the $e^+ e^-\to b\bar{b}W^+W^- X$ production cross section near the top-pair production threshold. The calculation includes non-resonant production of the final state as well as electroweak…

High Energy Physics - Phenomenology · Physics 2018-02-28 Martin Beneke , Andreas Maier , Thomas Rauh , Pedro Ruiz-Femenia

We study the impact of the full ${\cal O}(\alpha_{s})$ QCD and ${\cal O}(\alpha_{ew})$ electroweak (EW) radiative corrections to the $e^+e^- \to t \bar t Z^0$ process in the standard model (SM), and investigate the dependence of the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Dai Lei , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Wang Shao-Ming

Processes of electron-positron annihilation into charged pions and kaons are considered. Radiative corrections are taken into account exactly in the first order and within the leading logarithmic approximation in higher orders. A combined…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. B. Arbuzov , V. A. Astakhov , A. V. Fedorov , G. V. Fedotovich , E. A. Kuraev , N. P. Merenkov

We compute the next-to-leading order corrections of $O(\alpha_s^2\alpha^3)$ to the hadronic production of two oppositely charged leptons and two hard jets, $p p \to j j l^- l^+$, using Recola and Collier. We include electroweak and QCD…

High Energy Physics - Phenomenology · Physics 2015-06-23 Ansgar Denner , Lars Hofer , Andreas Scharf , Sandro Uccirati