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High-precision electroweak experiments such as parity-violating Moller scattering can provide indirect access to physics at multi-TeV scales and play an important complementary role to the LHC research program. However, before physics of…

High Energy Physics - Phenomenology · Physics 2013-01-09 A. Aleksejevs , S. Barkanova , E. Kuraev , V. Zykunov

A new framework to study electroweak physics at one-loop level in general ${\rm SU(2)_L \times U(1)_Y}$ theories is introduced. It separates the 1-loop corrections into two pieces: process specific ones from vertex and box contributions and…

High Energy Physics - Phenomenology · Physics 2008-02-03 K. Hagiwara , S. Matsumoto , C. S. Kim

The effect of virtual electroweak corrections to $e^+e^- \rightarrow t \bar{t}$ and the contribution of the radiation processes $e^+e^- \rightarrow t\bar{t}Z, t\bar{t}H$ to the inclusive top pair production cross section and…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Driesen , W. Hollik , A. Kraft

Vector-boson pair production is of great phenomenological importance at the LHC. These processes will help to validate the Standard Model at highest energies, and they may also open the door for the discovery of new physics potentially…

High Energy Physics - Phenomenology · Physics 2012-08-17 Anastasiya Bierweiler , Tobias Kasprzik , Johann H. Kuhn

The complete set of electroweak O(alpha) corrections to the Drell--Yan-like production of W bosons is calculated and compared to an approximation provided by the leading term of an expansion about the W-resonance pole. All relevant formulae…

High Energy Physics - Phenomenology · Physics 2009-09-25 Stefan Dittmaier , Michael Kramer

We report on an investigation of various problems related to the theory of the electroweak phase transition. This includes a determination of the nature of the phase transition, a discussion of the possible role of higher order radiative…

High Energy Physics - Phenomenology · Physics 2009-09-29 M. Dine , R. G. Leigh , P. Huet , A. D. Linde , D. A. Linde

In this paper, we present the one-loop radiative corrections to the electroweak precision observable $\Delta \rho$ coming from the $I_W=1$ multiplet excited leptons. We have calculated the couplings of the exotic lepton triplet to the…

High Energy Physics - Phenomenology · Physics 2021-05-19 M. Rehman , M. E. Gomez , O. Panella

We calculate the fiducial and differential $W^{\pm}/Z^0+jet(s)$ production cross-sections in the presence of electroweak (EW) corrections through virtual loop contributions to the matrix elements (MEs) of the processes and real partonic…

High Energy Physics - Phenomenology · Physics 2022-11-29 Neda Darvishi , M. R. Masouminia

Two loop electroweak corrections to b --> s gamma decays are computed. Fermion and photonic loop effects are found to reduce R = BR(b --> s gamma)/BR(b --> c e nu) by 8+-2% and lead to the standard model prediction BR(B --> X_s gamma)=(3.28…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andrzej Czarnecki , William J. Marciano

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 accomplish for the first time the next-to-leading-order computation of the weak annihilation contribution to the exclusive electroweak penguin decays $B \to \left \{K, \pi \right \} \ell^{+} \ell^{-}$ with an energetic light-flavour…

High Energy Physics - Phenomenology · Physics 2024-03-19 Yong-Kang Huang , Yue-Long Shen , Chao Wang , Yu-Ming Wang

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

The next-to-leading-order electroweak corrections to $pp\to l^+l^-/\bar\nu\nu+\gamma+X$ production, including all off-shell effects of intermediate Z bosons in the complex-mass scheme, are calculated for LHC energies, revealing the…

High Energy Physics - Phenomenology · Physics 2016-03-23 Ansgar Denner , Stefan Dittmaier , Markus Hecht , Christian Pasold

We present next-to-leading order (NLO) predictions including QCD and electroweak (EW) corrections for the production and decay of off-shell electroweak vector bosons in association with up to two jets at the 13 TeV LHC. All possible…

High Energy Physics - Phenomenology · Physics 2016-05-04 Stefan Kallweit , Jonas M. Lindert , Stefano Pozzorini , Marek Schönherr , Philipp Maierhöfer

We present the results of the complete electroweak loop corrections to the process $ gg \to gH $ at the Large Hadron Collider. The electroweak corrections to the total cross section are found to be approximately $ +4\% $. At the…

High Energy Physics - Phenomenology · Physics 2025-08-05 Huan-Yu Bi , Yan-Qing Ma , Dao-Ming Mu

This paper gives high-precision theoretical predictions for cross sections of the process $e^+e^- \to \gamma Z$ for future electron-positron colliders. The calculations are performed using the SANC system. They include complete one-loop…

High Energy Physics - Phenomenology · Physics 2024-01-25 S. Bondarenko , Ya. Dydyshka , L. Kalinovskaya , L. Rumyantsev , R. Sadykov , V. Yermolchyk

We compute the full one-loop radiative corrections for charged scalar pair production $e^{+}e^{-}\to H^{+}H^{-}$ in the inert doublet model. The on-shell renormalization scheme has been used. We take into account both the weak contributions…

High Energy Physics - Phenomenology · Physics 2024-01-23 Hamza Abouabid , Abdesslam Arhrib , Jaouad El Falaki , Bin Gong , Wenhai Xie , Qi-Shu Yan

Two-loop contributions to the electromagnetic form factors are calculated in the kinematic regime close to the fermion-antifermion threshold. The results are presented in an expansion in the velocity $\beta$ of the fermions in the c.m.…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. H. Hoang

We calculate the one-loop electroweak corrections to the gravitational form factors of the Higgs boson and discuss the interpretation of the obtained results.

High Energy Physics - Phenomenology · Physics 2025-08-28 P. Beißner , B. -D. Sun , E. Epelbaum , J. Gegelia

We study electroweak Sudakov effects in single W, Z and gamma production at large transverse momentum using Soft Collinear Effective Theory. We present a factorized form of the cross section near the partonic threshold with both QCD and…

High Energy Physics - Phenomenology · Physics 2013-08-09 Thomas Becher , Xavier Garcia i Tormo
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