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Related papers: Electroweak effects in $e^+ e^- \to Z H$ process

200 papers

We present results for the complete one-loop electroweak logarithmic corrections for general processes at high energies and fixed angles. Our results are applicable to arbitrary matrix elements that are not mass-suppressed. We give explicit…

High Energy Physics - Phenomenology · Physics 2011-09-13 Ansgar Denner , Stefano Pozzorini

The cross-section for ZZ->ZZ with arbitrarily polarized Z bosons is calculated within the electroweak Standard Model including the complete O(alpha) corrections. We show the numerical importance of the radiative corrections and elaborate…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier , T. Hahn

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

Motivated by the future precision test of the Higgs boson at an $e^+e^-$ Higgs factory, we calculate the production $e^+e^- \to ZH\gamma$ in the Standard Model with complete next-to-leading order electroweak corrections. We find that for…

High Energy Physics - Phenomenology · Physics 2015-06-18 Ning Liu , Jie Ren , Lei Wu , Peiwen Wu , Jin Min Yang

The electroweak corrections of order ${\cal O}(\alpha_{\rm em} m^2_{t,b}/m^2_w)$ and ${\cal O}(\alpha_{\rm em} m^3_{t,b}/m^3_w)$ to Higgs boson associated production with top quark pair are calculated at $e^+e^-$ colliders in the standard…

High Energy Physics - Phenomenology · Physics 2007-05-23 Xiao-Hong Wu , Chong Sheng Li , Jian Jun Liu

In this paper, we present the precision predictions for three photon production in the standard model (SM) at the ILC including the full next-to-leading (NLO) electroweak (EW) corrections, high order initial state radiation (h.o.ISR)…

High Energy Physics - Phenomenology · Physics 2016-05-04 Yu Zhang , Wei-Hua Li , Peng-Fei Duan , Mao Song , Gang Li

We present the full order alpha electroweak radiative corrections to the double Higgs-strahlung process e+e- --> ZHH. The computation is performed with the help of GRACE-loop. After subtraction of the initial state QED radiative…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. Belanger , F. Boudjema , J. Fujimoto , T. Ishikawa , T. Kaneko Y. Kurihara , K. Kato , Y. Shimizu

We discuss the one-loop radiative corrections to the reaction e^+ e^- -> X^+_a X^-_b, for a,b=1,2 where X^+_{1,2} are the charginos of the minimal supersymmetric standard model. We calculate the leading one loop radiative corrections…

High Energy Physics - Phenomenology · Physics 2009-10-30 Marco A. Diaz , Steve F. King , Douglas A. Ross

Radiative corrections of strong and electroweak interactions are presented at next-to-leading order for Higgs-boson production in the weak-boson-fusion channel at the LHC. The calculation includes all weak-boson fusion and quark-antiquark…

High Energy Physics - Phenomenology · Physics 2009-04-14 Mariano Ciccolini , Ansgar Denner , Stefan Dittmaier

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 a detailed study of the charged current Drell-Yan process, which includes the exact O(alpha) electroweak corrections properly matched with leading-log effects due to multiple-photon emission, as required by the experiments at the…

High Energy Physics - Phenomenology · Physics 2009-11-11 C. M. Carloni Calame , G. Montagna , O. Nicrosini , A. Vicini

Recently the next-to-next-to-leading order QCD corrections and the electroweak O(alpha) corrections to the Higgs-strahlung processes ppbar/pp -> WH/ZH + X have been calculated. Both types of corrections are of the order of 5-10%. In this…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Brein , M. Ciccolini , S. Dittmaier , A. Djouadi , R. Harlander , M. Krämer

The complete electroweak O(alpha) corrections have been calculated for the charged-current four-fermion production processes e+e- --> nu_tau tau+ mu- anti-nu_mu, u anti-d mu- anti-nu_mu, and u anti-d s anti-c. Here, technical details of…

High Energy Physics - Phenomenology · Physics 2011-08-30 A. Denner , S. Dittmaier , M. Roth , L. H. Wieders

We describe the impact of the full one-loop Electro-Weak terms of O($\alpha_s\alpha^3_{EM}$) entering the electron-positron into three-jet cross-section. We include both factorisable and non-factorisable virtual corrections, photon…

High Energy Physics - Phenomenology · Physics 2009-04-14 C. M. Carloni Calame , S. Moretti , F. Piccinini , D. A. Ross

QCD one-loop corrections to the full gauge invariant set of electroweak diagrams describing the hadronic process $e^+ e^- \to u~\bar d~s~\bar c$ are computed. Four-jet shape variables for $WW$ events are studied at next-to-leading order and…

High Energy Physics - Phenomenology · Physics 2011-02-01 E. Maina , R. Pittau , M. Pizzio

The precision measurement of the mass of the $W$ boson is an important goal of the Fermilab Tevatron and the CERN Large Hadron Collider (LHC). It requires accurate theoretical calculations which incorporate both higher-order QCD and…

High Energy Physics - Phenomenology · Physics 2013-05-30 C. Bernaciak , D. Wackeroth

We review the techniques necessary for the calculation of virtual electroweak and soft photonic corrections at the one-loop level. In particular we describe renormalization, calculation of one-loop integrals and evaluation of one-loop…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ansgar Denner

In this paper the cross sections of the processes $e^+ e^- \to H+\gamma, H=\eta_c, \eta_c', \chi_{c0}, \chi_{c1}, \chi_{c2}$ are calculated. The calculation is carried out at the leading twist approximation of light cone formalism. Within…

High Energy Physics - Phenomenology · Physics 2014-11-21 V. V. Braguta

Electroweak dipole moments of the top quark are conjectured and their effect in polarized $e^+e^-$ collisions is examined for the expectation values of two different $CP$-odd observables. One of these observables probes the real part of the…

High Energy Physics - Phenomenology · Physics 2010-11-01 Frank Cuypers , Saurabh Rindani

We systematically study potential effects of Beyond the Standard Model physics in the $e^+ e^- \rightarrow Z H$ process. To this end, we include all relevant dimension-6 Standard Model Effective Field Theory operators and work to…

High Energy Physics - Phenomenology · Physics 2025-02-10 Konstantin Asteriadis , Sally Dawson , Pier Paolo Giardino , Robert Szafron