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Related papers: Predictions for Fermion-Pair Production at LEP

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Photon pair production is an important benchmark process at the LHC, entering Higgs boson studies and new physics searches. It has been measured to high accuracy, allowing for detailed studies of event shapes in diphoton final states. To…

High Energy Physics - Phenomenology · Physics 2025-04-23 Federico Buccioni , Xuan Chen , Wei-Jie Feng , Thomas Gehrmann , Alexander Huss , Matteo Marcoli

We present results for the total top-pair production cross section at the Tevatron and the LHC. Our predictions supplement fixed-order results with resummation of soft logarithms and Coulomb singularities to next-to-next-to-leading (NNLL)…

High Energy Physics - Phenomenology · Physics 2015-06-11 M. Beneke , P. Falgari , S. Klein , J. Piclum , C. Schwinn , M. Ubiali , F. Yan

Leptoproduction of nucleons into the backward hemisphere on nuclear targets is studied at relativistic subasymptotic energies and momenta. The relativistic internucleon potential is extracted from appropriate photoproduction data. Different…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. A. Braun , V. V. Vechernin , B. Vlahovic

The scalar and vector leptoquark pair production cross sections for deep inelastic $ep$ scattering are calculated. Estimates are presented for the search potential at HERA.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Blümlein , E. Boos , A. Kryukov

We achieve for the first time NNLO QCD + NLO EW accuracy for doubly polarised WZ inclusive production at the LHC, in the case of fully leptonic decays. Additionally, we provide estimates for missing higher-order uncertainties in QCD…

High Energy Physics - Phenomenology · Physics 2025-10-31 Giovanni Pelliccioli , Rene Poncelet

The lepton pair production in collisions of antiproton beam (E_beam = 14 GeV) with proton target is studied on the basis of event samples simulated with PYTHIA6 generator. Two types of quark level subprocesses are considered. The first one…

High Energy Physics - Phenomenology · Physics 2011-03-09 A. N. Skachkova , N. B. Skachkov , G. D. Alexeev

A theoretical description of W-pair production in terms of two complementary Monte Carlo event generators YFSWWand KoralW is presented. The way to combine the results of these two programs in order to get precise predictions for WW physics…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Placzek , S. Jadach , M. Skrzypek , B. F. L. Ward , Z. Was

Differential cross section of processes with high energy $p(\bar p)p$ collisions in frames of QED: creation of scalar, pseudoscalar and lepton pair - are considered in Weizs\"acker - Williams approximation. In frames of QCD processes with…

High Energy Physics - Phenomenology · Physics 2015-05-27 A. I. Ahmadov , Yu. M. Bystritskiy , E. A. Kuraev

In this review article three promising aspects of top quark production are discussed: the charge asymmetry in top quark pair production, the search for resonant top quark pair production, and electroweak single top quark production. First,…

High Energy Physics - Experiment · Physics 2016-08-03 Jeannine Wagner-Kuhr

Hadron production and lepton-pair production in e+e- collisions are studied with data collected with the L3 detector at LEP at centre-of-mass energies sqrt{s}=192-208GeV. Using a total integrated luminosity of 453/pb, 36057 hadronic events…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

A brief overview of the calculation of photon and dilepton production rates in a deconfined quark-gluon plasma is presented. We review leading order rates as well as recent NLO determinations and non-equilibrium corrections. Furthermore,…

High Energy Physics - Phenomenology · Physics 2014-12-09 Jacopo Ghiglieri

We report on the calculation of first-order QED corrections for the $\gamma p\rightarrow l^+l^-p^{\prime}$ process. An upcoming experiment at MAMI (Mainz) aims to compare the cross sections of muon- and electron-pair production in this…

High Energy Physics - Phenomenology · Physics 2018-05-09 Matthias Heller , Oleksandr Tomalak , Marc Vanderhaeghen

The optical theorem is applied to the process of electron-positron pair creation in the superposition of a nuclear Coulomb and a strong laser field. We derive new representations for the total production rate as two-fold integrals, both for…

Atomic Physics · Physics 2009-11-11 A. I. Milstein , C. Müller , K. Z. Hatsagortsyan , U. D. Jentschura , C. H. Keitel

Coherent production of lepton pair in muon scattering by nucleus is considered. With the help of different approaches (equivalent photon approximation, direct numerical and analytical calculations) we obtain total cross section of this…

High Energy Physics - Phenomenology · Physics 2008-08-27 A. V. Berezhnoy , S. N. Koshkarev , A. V. Luchinsky , V. I. Nikolaenko

We present a search for the pair production of first generation scalar leptoquarks (LQ) in data corresponding to an integrated luminosity of 5.4 fb$^{-1}$ collected with the D0 detector at the Fermilab Tevatron Collider in ppbar collisions…

High Energy Physics - Experiment · Physics 2013-05-29 D0 Collaboration , V. Abazov

We review here the measurements of W-pair production and W decay rates performed by the four LEP experiments at ECM from 161 to 209 GeV, and their relevance in support of the standard electroweak model.

High Energy Physics - Experiment · Physics 2007-05-23 P. Azzurri

Radiative corrections due to pair production in process of electron-positron annihilation are considered. The main attention is paid to the corrections of the third order. Simultaneous emission of photons and pairs is taken into account.…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. B. Arbuzov

This paper investigates the electromagnetic production of lepton pairs with low transverse momentum in relativistic heavy ion collisions. We estimate the initial photons' transverse momentum contributions by employing models where the…

High Energy Physics - Phenomenology · Physics 2020-11-18 Spencer Klein , Al Mueller , Bo-Wen Xiao , Feng Yuan

The measurements of four-fermion production rates performed at LEP2 in e+e- collisions at centre-of-mass energies ranging from 161 to 209 GeV are presented. The focus is put on processes that involve the production and decay of W or Z…

High Energy Physics - Experiment · Physics 2007-05-23 P. Azzurri

The production of charm and beauty quarks in $\gamma \gamma$ collisions at LEP, $ep$ collisions at HERA and $p \bar{p}$ collisions at the Tevatron is discussed. The comparison with predictions of next-to-leading-order QCD and the issues it…

High Energy Physics - Experiment · Physics 2011-01-25 Matthew Wing