English
Related papers

Related papers: One-loop electroweak radiative corrections to lept…

200 papers

For the envisioned high precision measurement of the W boson mass at the Tevatron and LHC it is crucial that the theoretical predictions for the W and Z production processes are under control. We briefly summarize the status of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 U. Baur , D. Wackeroth

We present the electroweak one-loop corrections to the processes e+e- -> f bar-f, f = tau, c, b, t, at energies relevant for a future linear collider. The results of two independent calculations are compared and agreement is found at a…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Hahn , W. Hollik , A. Lorca , T. Riemann , A. Werthenbach

It is shown that the processes of electron(positron) scattering and $e^+e^-$ pair production in the Coulomb fields of two relativistic ions, can be expressed through the amplitudes of lepton scattering off the ion Coulomb field via Watson…

Nuclear Theory · Physics 2007-05-23 A. N. Sissakian , A. V. Tarasov , H. T. Torosyan , O. O. Voskresenskaya

Electroweak radiative corrections to e+e- scattering processes typically amount to O(10%) at LEP energies. Their logarithmic increase with energy renders them even more important at future colliders. Although the bulk of these corrections…

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

We compute the full one-loop radiative corrections (including both weak and QED corrections) for two processes $e^{+}e^{-}\to Z h^0,H^0 A^{0}$ in the Inert Higgs Doublet model (IHDM). Up to $O(\alpha_{w})$ and $O(\alpha_{em})$ order, we use…

High Energy Physics - Phenomenology · Physics 2021-06-02 Hamza Abouabid , Abdesslam Arhrib , Rachid Benbrik , Jaouad El Falaki , Bin Gong , Wenhai Xie , Qi-Shu Yan

Parity violating left-right scattering asymmetries at future high energy e+e- and e-e- colliders are examined. The utility of two polarized beams for precision measurements is pointed out. Sensitivity to ``new'' short-distance physics is…

High Energy Physics - Phenomenology · Physics 2011-04-15 Andrzej Czarnecki , William J. Marciano

The first calculation of the next-to-leading-order electroweak corrections to Z-boson + jet hadroproduction including leptonic Z-boson decays is presented, i.e. to the production of a charged lepton--anti-lepton final state in association…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

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 discuss the potential of a $0.5\hskip 2pt TeV$ linear collider to explore manifestations of extended (or alternative) electroweak models of current interest, through measurements of the reaction $e^+e^-\to W^+W^-$ with both initial and…

High Energy Physics - Phenomenology · Physics 2016-09-01 A. A. Babich , A. A. Pankov , N. Paver

We present a complete calculation of the electroweak O(alpha^3 alpha_s) corrections to three-jet production and related event-shape observables at electron--positron colliders. The Z-boson resonance is described within the complex-mass…

High Energy Physics - Phenomenology · Physics 2014-11-20 Ansgar Denner , Stefan Dittmaier , Thomas Gehrmann , Christian Kurz

Polarized lepton beams are an important aspect in the design of the future 100 km-scale Circular Electron-Positron Collider (CEPC). Precision beam energy calibration using resonant depolarization, as well as longitudinally polarized…

Accelerator Physics · Physics 2024-01-17 Wenhao Xia , Zhe Duan , Desmond P. Barber , Yiwei Wang , Bin Wang , Jie Gao

By using a Non-linear Electroweak Chiral Lagrangian, including the Higgs, coupled to heavy quarks, and the Equivalence Theorem, we compute (in the regime $M_t^2/v^2\ll\sqrt{s}M_t/v^2\ll s/v^2$) the one-loop amplitudes $W^+W^-\to t\bar t$,…

High Energy Physics - Phenomenology · Physics 2017-08-02 Andrés Castillo , Rafael L. Delgado , Antonio Dobado , Felipe J. Llanes-Estrada

We study one loop electroweak corrections to the production of a pair of charged Higgs bosons through an intermediate $Z$-boson or photon. In particular, we consider the effects of graphs with top and bottom quarks and squarks in the loop…

High Energy Physics - Phenomenology · Physics 2016-09-01 Marco A. Diaz , Tonnis A. ter Veldhuis

The complete QED corrections of O(alpha) to polarized Compton scattering are calculated for finite electron mass and including the real corrections induced by the processes e^- gamma -> e^- gamma gamma and e^- gamma -> e^- e^- e^+. All…

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

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

Beam polarization at e^+e^- linear colliders will be a powerful tool for high precision analyses. In this paper we summarize the polarization-related results for Higgs and electroweak physics, QCD, Supersymmetry and alternative theories…

High Energy Physics - Phenomenology · Physics 2011-01-13 Gudrid Moortgat--Pick

We present a detailed study of the production of a high transverse-momentum lepton pair at hadron colliders, which includes the exact O(alpha) electroweak corrections properly matched with leading logarithmic effects due to multiple photon…

High Energy Physics - Phenomenology · Physics 2009-04-17 C. M. Carloni Calame , G. Montagna , O. Nicrosini , A. Vicini

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

The use of resonant depolarization has been suggested for precise beam energy measurements (better than 100 keV) in the $e^{+}e^{-}$ Future Circular Collider (FCC-$e^{+}e^{-}$) for Z and WW physics at 45 and 80 GeV beam energy respectively.…

Accelerator Physics · Physics 2017-05-09 E. Gianfelice-Wendt

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
‹ Prev 1 3 4 5 6 7 10 Next ›