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Related papers: Electroweak Corrections to e+e- --> 4 fermions

200 papers

We present the full ${{\cal O}}(\alpha)$ electroweak radiative corrections to associated Higgs top pair production in $e^+e^-$ collisions. We combine these results with a new calculation of the full one-loop QCD corrections. The computation…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Belanger , F. Boudjema , J. Fujimoto , T. Ishikawa , T. Kaneko , K. Kato , Y. Shimizu , Y. Yasui

The investigation of W-pair production offers unique precision tests of the electroweak theory at future e+e- colliders, including precise determinations of cross sections, the W-boson mass, and gauge-boson self-couplings. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Denner , S. Dittmaier , M. Roth , D. Wackeroth

The high accuracy envisaged for future measurements of W-boson production at hadron colliders has to be matched by precise theoretical predictions. We study the impact of electroweak radiative corrections on W-boson production cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 Silja Brensing , Stefan Dittmaier , Michael Krämer , Alexander Mück

We present some results of a new calculation of the O(alpha) electroweak radiative corrections to W boson production at hadron colliders with special emphasis on the transverse mass distribution.

High Energy Physics - Phenomenology · Physics 2008-11-26 U. Baur , S. Keller , D. Wackeroth

We calculate the $O(\alpha_{ew}m_{t(b)}^{2}/m_{W}^{2})$ and $O(\alpha_{ew} m_{t(b)}^4/m_W^4)$ supersymmetric electroweak corrections to the cross section for the charged Higgs boson production in association with a top quark at the Tevatron…

High Energy Physics - Phenomenology · Physics 2009-10-31 Li Gang Jin , Chong Sheng Li , Robert J. Oakes , Shou Hua Zhu

We perform a dedicated study of the four-fermion production process e- e+ -> mu- nubar_mu u dbar X near the W pair-production threshold in view of the importance of this process for a precise measurement of the W boson mass. Accurate…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martin Beneke , Pietro Falgari , Christian Schwinn , Adrian Signer , Giulia Zanderighi

We calculate the full ${\cal O}(\alpha_{ew})$ electroweak corrections to the Higgs pair production process $e^+ e^- \to H H Z$ at an electron-positron linear collider in the standard model, and analyze the dependence of the Born cross…

High Energy Physics - Phenomenology · Physics 2015-06-25 Zhang Ren-You , Ma Wen-Gan , Chen Hui , Sun Yan-Bin , Hou Hong-Sheng

Future electron-position colliders, such as CEPC and FCC-ee, have the capability to dramatically improve the experimental precision for W and Z-boson masses and couplings. This would enable indirect probes of physics beyond the Standard…

High Energy Physics - Phenomenology · Physics 2020-08-26 Lisong Chen , Ayres Freitas

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 a precise calculation of the lightest neutral Higgs boson production associated with top quark pair at a linear collider. The full one-loop electroweak ${\cal O}(\alpha_{ew})$ contributions to the process $e^+e^- \to t\bar t h^0$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Liu Jing-Jing , Ma Wen-Gan , Han Liang , Zhang Ren-You , Jiang Yi , Wu Peng

In this paper we present the results from a calculation of the full electroweak one-loop corrections for $\gamma Z$ vector-boson pair production at hadron colliders. The cases of proton--antiproton as well as proton--proton collisions, at…

High Energy Physics - Phenomenology · Physics 2010-04-05 W. Hollik , C. Meier

We calculate the parametrically dominant next-to-next-to-leading order corrections to four-fermion production e^- e^+ -> mu^- nubar_mu u dbar + X at centre-of-mass energies near the W-pair production threshold employing the method of…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Actis , M. Beneke , P. Falgari , C. Schwinn

We discuss the O(alpha) electroweak radiative corrections to W boson production at the Tevatron and their effect on the W boson mass extracted by experiment. The results of a new calculation of the O(alpha) corrections are presented and…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Baur

We review the salient features of next-to-leading-order QCD and electroweak corrections to the scattering of two and the production of three weak gauge bosons at the Large Hadron Collider. Results for the tower of $O(\alpha_s^m\alpha^n)$…

High Energy Physics - Phenomenology · Physics 2026-04-21 S. Dittmaier

We present the calculation of next-to-leading-order electroweak corrections to W-boson pair production at the LHC, taking off-shell effects of the W bosons and their leptonic decays into account in the framework of the so-called double-pole…

High Energy Physics - Phenomenology · Physics 2015-06-17 M. Billoni , S. Dittmaier , B. Jager , C. Speckner

We summarize results for the processes $e^-\gamma \to \nu W^-, e^-Z, e^-\gamma$ within the electroweak Standard Model. We discuss the essential features of the corresponding lowest-order cross-sections and present numerical results for the…

High Energy Physics - Phenomenology · Physics 2008-02-03 A. Denner , S. Dittmaier

This paper studies the electroweak production of all possible four-fermion states in $e^+e^-$ collisions with non-standard triple gauge boson couplings. All $CP$ conserving couplings are considered. It is an extension of the methods and…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. A. Berends , A. I. van Sighem

We study radiative corrections to third generation scalar fermions into gauge bosons $Z$ and $W^\pm$. We include both SUSY-QCD, QED and full electroweak corrections. It is found that the electroweak corrections can be of the same order as…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdesslam Arhrib , Rachid Benbrik

We consider W-boson scattering at high-energy e+ e- colliders and study one-loop logarithmic electroweak corrections within the Standard Model assuming a light Higgs boson. We present explicit analytical results for W+ W- -> W+ W-. Using…

High Energy Physics - Phenomenology · Physics 2010-10-27 E. Accomando , A. Denner , S. Pozzorini

This paper studies the electroweak production of all possible four fermion states in e+ e- collisions. Since the methods employed to evaluate the complete matrix elements and phase space are very general, all four fermion final states in…

High Energy Physics - Phenomenology · Physics 2009-10-28 F. A. Berends , R. Kleiss , R. Pittau