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At energies ($\sqrt{s}$) much higher than the electroweak gauge boson masses ($M$) large logarithmic corrections of the scale ratio $\sqrt{s}/M$ occur. While the electroweak Sudakov type double (DL) and universal single (SL) logarithms have…

High Energy Physics - Phenomenology · Physics 2009-11-07 Michael Melles

The paper describes high-precision theoretical predictions obtained for the cross sections of the process $e^+e^- \to ZH$ for future electron-positron colliders. The calculations performed using the SANC platform taking into account the…

High Energy Physics - Phenomenology · Physics 2019-10-09 S. Bondarenko , Ya. Dydyshka , L. Kalinovskaya , L. Rumyantsev , R. Sadykov , V. Yermolchyk

We report on a recent calculation of the electroweak O(\alpha^3\alpha_s) corrections to 3-jet production and related event-shape observables at e+e- colliders. The calculation properly accounts for the experimental photon isolation criteria…

High Energy Physics - Phenomenology · Physics 2010-01-26 Ansgar Denner , Stefan Dittmaier , Thomas Gehrmann , Christian Kurz

We have calculated the electroweak radiative corrections at the O(alpha) level to the three channels of the process f_1 bar-f_1 Z A --> 0 and implemented them into the SANC system. Here A stands for the photon and f_1 for a first generation…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Bardin , S. Bondarenko , L. Kalinovskaya , G. Nanava , L. Rumyantsev , W. von Schlippe

We describe the impact of the full one-loop electroweak terms of O(alpha_s alpha_EM^3) entering the electron-positron into three-jet cross-section from sqrt(s)=M_Z to TeV scale energies. We include both factorisable and non-factorisable…

High Energy Physics - Phenomenology · Physics 2022-03-02 C. M. Carloni Calame , S. Moretti , F. Piccinini , D. A. Ross

The high luminosity that will be accumulated at the LHC will enable precise differential measurements of the hadronic production of a top--antitop-quark pair in association with a $\text{W}$ boson. Therefore, an accurate description of this…

High Energy Physics - Phenomenology · Physics 2021-05-21 Ansgar Denner , Giovanni Pelliccioli

The rare K -> pi nu anti-nu decays play a central role in testing the Standard Model and its extensions. Upcoming experiments plan to measure the decay rates with high accuracy. Yet, unknown higher-order electroweak corrections result in a…

High Energy Physics - Phenomenology · Physics 2011-03-02 Joachim Brod , Martin Gorbahn , Emmanuel Stamou

Full one-loop electroweak-corrections for an $e^-e^+\rightarrow t \bar{t}$ process associated with sequential $t\rightarrow b \mu\nu_\mu$ decay are discussed. At the one-loop level, the spin-polarization effects of the initial electron and…

High Energy Physics - Phenomenology · Physics 2018-06-25 Nhi M. U. Quach , Yoshimasa Kurihara , Khiem H. Phan , Takahiro Ueda

The one-loop electroweak radiative correction of the lowest order to lepton current for deep inelastic scattering of longitudinally polarized leptons by polarized nucleons is obtained in model independent way. The detailed numerical…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. V. Akushevich , A. N. Ilyichev , N. M. Shumeiko

The next-to-leading order (NLO) corrections to the BFKL equation in the BLM optimal scale setting are briefly discussed. A striking feature of the BLM approach is rather weak Q^2-dependence of the Pomeron intercept, which might indicate an…

High Energy Physics - Phenomenology · Physics 2007-05-23 Victor T. Kim , Lev N. Lipatov , Grigorii B. Pivovarov

In this paper we calculate the next-to-leading-order (NLO) corrections to $\rho$-meson electromagnetic form factors by employing the $k_T$ factorization approach. We find that the NLO correction to $F_i (Q^2)(i=LT,TL)$ is around $30\%$ of…

High Energy Physics - Phenomenology · Physics 2020-01-08 Ya-lan Zhang , Jun Hua , Dong-Sheng Li , Zhen-Jun Xiao

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

We calculate the standard model predictions for top quark pair production and decay into six fermions at a linear e+ e- collider. We include the factorizable electroweak O(alpha) corrections in the pole approximation and QED corrections due…

High Energy Physics - Phenomenology · Physics 2009-01-07 Karol Kolodziej , Adam Staron , Alejandro Lorca , Tord Riemann

Electroweak radiative corrections form a crucial ingredient in modern precision calculations for particle processes at high-energy colliders such as the Large Hadron Collider. The salient features of electroweak corrections as well as…

High Energy Physics - Phenomenology · Physics 2026-05-01 Stefan Dittmaier

Recent results for the asymptotic behavior of fermion scattering amplitudes in the Sudakov limit are presented including next-to-leading logarithmic corrections. These are used for the analysis of the dominant electroweak corrections to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. H. Kühn , A. A. Penin , V. A. Smirnov

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

Recently the two-loop next-to-leading logarithmic (NLL) virtual corrections to arbitrary processes with massless external fermions have been calculated. Within the spontaneously broken electroweak theory the one- and two-loop mass…

High Energy Physics - Phenomenology · Physics 2009-02-16 Bernd Jantzen

Full O(alpha) electroweak corrections for gamma-gamma-> W+W- are calculated including virtual corrections, soft and hard real photon and Z-boson emission. The corrections are quite large ranging from -2.5% at 500 GeV to -18% at 2 TeV,…

High Energy Physics - Phenomenology · Physics 2009-10-30 G. Jikia

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

We summarize the status of calculations of the electroweak radiative corrections to W and Z boson production via the Drell-Yan mechanism at hadron colliders. To fully exploit the precision physics potential of the high-luminosity…

High Energy Physics - Phenomenology · Physics 2009-11-07 U. Baur , D. Wackeroth
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