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We perform updated and detailed calculations of the complete NLO set of electroweak radiative corrections to parity violating e- e- --> e- e- (gamma) scattering asymmetries at energies relevant for the ultra-precise Moller experiment coming…

High Energy Physics - Phenomenology · Physics 2010-12-23 Aleksandrs Aleksejevs , Svetlana Barkanova , Alexander Ilyichev , Vladimir Zykunov

We describe the salient features of precise predictions for the processes e+ e- -> WW -> 4f(gamma) as obtained with the Monte Carlo generator RacoonWW, including the complete O(alpha) electroweak radiative corrections in the double-pole…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Denner , S. Dittmaier , M. Roth , D. Wackeroth

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 calculate the ${\cal O}(\alpha_{{\rm ew}})$ electroweak radiative corrections to $e^+ e^- \to t \bar{t} h$ at a electron-positron linear collider (LC) in the standard model. We analyze the dependence of the ${\cal O}(\alpha_{{\rm ew}})$…

High Energy Physics - Phenomenology · Physics 2009-11-10 You Yu , Ma Wen-Gan , Chen Hui , Zhang Ren-You , Sun Yan-Bin , Hou Hong-Sheng

$W^+W^-\gamma$ production in proton-proton collision provides a window to the mechanism of electroweak symmetry breaking and a direct accessment to triple and quartic gauge couplings. Precision study of gauge boson self-interactions may…

High Energy Physics - Phenomenology · Physics 2020-05-22 Jian-Wen Zhu , Ren-You Zhang , Wen-Gan Ma , Qiang Yang , Yi Jiang

The production of W+ W- b bbar from e+ e- collisions at energies close to the t tbar threshold is dominated by the resonant process with a nearly on-shell t tbar intermediate state. The W b pairs in the final state can also be reached…

High Energy Physics - Phenomenology · Physics 2022-09-21 M. Beneke , B. Jantzen , P. Ruiz-Femenia

We study the next-to-leading order (NLO) electroweak (EW) corrections to the $\gamma \gamma \to \tau^+ \tau^-$ process in Pb-Pb ultraperipheral collision (UPC). We find that the EW correction $\delta \sigma_{\mathrm{EW}}$ decreases the…

High Energy Physics - Phenomenology · Physics 2025-01-09 Jun Jiang , Peng-Cheng Lu , Zong-Guo Si , Han Zhang , Xin-Yi Zhang

By using the GRACE-Loop system, we calculate the full $\mathcal{O}(\alpha)$ electroweak radiative corrections to the process $e^+e^- \rightarrow e^+e^- \gamma$, which is important for future investigations at the International Linear…

High Energy Physics - Phenomenology · Physics 2014-12-08 P. H. Khiem , Y. Kurihara , J. Fujimoto , T. Ishikawa , T. Kaneko , K. Kato , N. Nakazawa , Y. Shimizu , T. Ueda , J. A. M. Vermaseren , Y. Yasui

We compute the total cross section as well as angular and energy distributions for process $e^+e^-\to\gamma\gamma\gamma$ with both unpolarized and polarized beams in the framework of noncommutative quantum electrodynamics (NCQED). The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alberto Devoto , Stefano Di Chiara , Wayne W. Repko

We calculate the cross section for inclusive prompt photon production in $\gamma\gamma$ collisions, i.e. the reaction $e^+e^-\to \gamma \gamma \to \gamma X$, in next-to-leading order QCD. We show that at LEP2 energies this cross section is…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. E. Gordon , J. K. Storrow

The precise investigation of the $W^+ W^-Z^0$ production at the $e^+e^-$ International Linear Collider(ILC) is of crucial importance in probing the couplings between massive vector gauge bosons and discovering the signature of new physics…

High Energy Physics - Phenomenology · Physics 2014-11-20 Sun Wei , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Song Mao

We present numerical results for total cross sections and various distributions for e+e- --> WW --> 4f(+gamma) at a future 500GeV linear collider, obtained from the Monte Carlo generator RACOONWW. This generator is the first one that…

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

The computation of the NLO-QCD corrections to the cross sections for W \gamma \gamma production in hadronic collisions is presented. We consider the case of real photons in the final state, but include full leptonic decays of the W.…

High Energy Physics - Phenomenology · Physics 2011-07-05 G. Bozzi , F. Campanario , M. Rauch , D. Zeppenfeld

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 have calculated the full one-loop electroweak (EW) and QCD corrections to the third generation scalar-fermion pair production processes $e^+e^- \to \gamma \gamma \to \tilde{f_i}\bar{\tilde{f_i}} (f=t,b,\tau)$ at an electron-positron…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xing Li-Rong , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Han Liang , Li Gang

We compute the next-to-leading order corrections to the cross section for the production of electroweak gauge bosons ($Z$, $W^\pm$ and $\gamma^*$) with large transverse momentum in double (longitudinally) polarized hadronic collisions. The…

High Energy Physics - Phenomenology · Physics 2020-03-04 Daniel de Florian , Iván Pedron

We consider large-angle two photon production in $e^+ e^-$ annihilation as a possible process to monitor the luminosity of a future $e^+ e^-$ circular collider (FCC-ee). We review and assess the status of the theoretical accuracy by…

High Energy Physics - Phenomenology · Physics 2019-10-02 Carlo M. Carloni Calame , Mauro Chiesa , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini

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

Measuring the polarization of electroweak bosons at the LHC allows for important tests of the electroweak-symmetry-breaking mechanism that is realized in nature. Therefore, precise Standard Model predictions are needed for the production of…

High Energy Physics - Phenomenology · Physics 2021-11-03 Ansgar Denner , Giovanni Pelliccioli

We present the full $\mathcal{O}(\alpha)$ electroweak radiative corrections to the process $e^+e^- \rightarrow t \bar{t} \gamma$ at the International Linear Collider (ILC). The computation is performed with the help of the GRACE-Loop…

High Energy Physics - Phenomenology · Physics 2013-05-02 P. H. Khiem , J. Fujimoto , T. Ishikawa , T. Kaneko , K. Kato , Y. Kurihara , Y. Shimizu , T. Ueda , J. A. M. Vermaseren , Y. Yasui