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Related papers: Mini-review on Monte Carlo programs for Bhabha sca…

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The status and accuracy of the precision Monte Carlo generators used for luminosity measurements at flavour factories is reviewed. It is shown that, thanks to a considerable, long-term effort in tuned comparisons between the predictions of…

High Energy Physics - Phenomenology · Physics 2015-05-18 G Montagna , G Balossini , C Bignamini , C M Carloni Calame , O Nicrosini , F Piccinini

Results of a simulation of Bhabha small-angle scattering process at center-of-mass energy of 240~GeV and at the $Z$-boson resonance using the Monte Carlo generator {\tt{ReneSANCe}} are presented. For the given accuracy about $10^{-4}$ in…

High Energy Physics - Phenomenology · Physics 2023-12-19 A. Arbuzov , S. Bondarenko , I. Boyko , Ya. Dydyshka , L. Kalinovskaya , A. Kampf , R. Sadykov , A. Tropina , V. Yermolchyk , Yu. Yermolchyk

We present the Monte Carlo program BHAGEN95, for calculating the cross-section of the Bhabha scattering process at LEP1/SLC and LEP2 energies, usable with continuity from small to large-angle configurations. We discuss some improvements in…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Caffo , H. Czyz , E. Remiddi

The luminosity determination of electron-positron colliders operating in the region of low-lying hadronic resonances (E_cm ~ 1-10 GeV), such as BEPC/BES, DAPHNE, KEKB, PEP-II and VEPP-2M, requires the precision calculation of the Bhabha…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. M. Carloni Calame , C. Lunardini , G. Montagna , O. Nicrosini , F. Piccinini

A Monte Carlo event generator is presented. An original algorithm is developed to simulate electron-positron scattering at energies and momentum transferred much more than the electron mass. The first-order electroweak radiative corrections…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. B. Arbuzov

The accurate knowledge of luminosity at e^+ e^- flavour factories requires the precision calculation of the Bhabha cross section at large scattering angles. In order to achieve a theoretical accuracy at the 0.1% level, the relevant effect…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. M. Carloni Calame , C. Lunardini , G. Montagna , O. Nicrosini , F. Piccinini

For the small-angle Bhabha-scattering process, we consider the error budget for the calculation of the LEP/SLC luminosity in the Monte Carlo event generator BHLUMI 4.04, from the standpoint of new calculations of exact results for the…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Placzek , S. Jadach , M. Melles , B. F. L. Ward , S. A. Yost

LABSMC Monte Carlo event generator is used to simulate Bhabha scattering at high energies. Different sources of radiative corrections are considered. The resulting precision is discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 A. B. Arbuzov

Luminosity monitoring at $e^+e^-$ colliders is investigated using SANC Monte Carlo event generator ReneSANCe and integrator MCSANC for simulation of Bhabha scattering at low angles. Results are presented for center-of-mass energies of the Z…

High Energy Physics - Phenomenology · Physics 2023-12-25 A. B. Arbuzov , S. G. Bondarenko , I. R. Boyko , L. V. Kalinovskaya , A. A. Kampf , R. R. Sadykov , V. L. Yermolchyk

We present O(alpha) YFS exponentiated results for wide angle Bhabha scattering at LEP/SLC energies using a new Monte Carlo event generator BHWIDE 1.xx. Our calculations include two options for the pure weak corrections, as presented in…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Jadach , W. Placzek , B. F. L. Ward

A fast and simple Monte Carlo program is presented that simulates single Bremsstrahlung in Bhabha scattering, e+e- --> e+e-gamma, without constraints on scattering angles. This allows the study of this process at arbitrarily small, or even…

High Energy Physics - Phenomenology · Physics 2009-10-28 R. Kleiss , H. Burkhardt

We have used YFS Monte Carlo techniques to obtain per-mil level accuracy for the Bhabha scattering cross section used in the luminosity monitor in electro-weak scattering experiments. We will describe techniques for extending these methods…

High Energy Physics - Phenomenology · Physics 2017-08-23 Scott A. Yost , Chris Glosser , B. F. L. Ward

This manual describes version 2.2 of the Monte Carlo event generator UNIBAB for large angle Bhabha scattering at LEP and SLC. UNIBAB implements higher order electromagnetic radiative corrections and the effects of soft photon exponentiation…

High Energy Physics - Experiment · Physics 2007-05-23 H. Anlauf , H. D. Dahmen , P. Manakos , T. Ohl

In this paper, we briefly present the Monte Carlo event generators BHLUMI and BHWIDE for small and large angle Bhabha scattering, respectively, and discuss possible ways of their improvements in order to satisfy precision needs of future…

High Energy Physics - Phenomenology · Physics 2026-01-22 Wiesław Płaczek , Maciej Skrzypek , Bennie F. L. Ward , Scott A. Yost

A comparison of theoretical results on NNLO leptonic and hadronic corrections to Bhabha scattering with the Monte Carlo generator BabaYaga@NLO used at meson factories is given. Complete NLO virtual corrections to the $e^+e^- \to \mu^+ \mu^-…

High Energy Physics - Phenomenology · Physics 2012-01-05 J. Gluza , M. Gunia , T. Riemann , M. Worek

A new Monte Carlo event generator for wide angle Bhabha scattering and muon pair production in $e^+e^-$ collisions is described. The program includes complete one-loop electroweak corrections, and QED radiative corrections. The O($\alpha$)…

High Energy Physics - Phenomenology · Physics 2011-07-19 J. H. Field , T. Riemann

Virtual fermionic N_f = 1 and N_f = 2 contributions to Bhabha scattering are combined with realistic real corrections at next-to-next-to-leading order in QED. The virtual corrections are determined by the package bha_nnlo_hf, and real…

High Energy Physics - Phenomenology · Physics 2015-05-28 C. Carloni Calame , H. Czyz , J. Gluza , M. Gunia , G. Montagna , O. Nicrosini , F. Piccinini , T. Riemann , M. Worek

Analitical calculations have been used to describe the calorimeter event selection in small-angle electron-positron scattering at LEP1. The first-order QED correction to the Born cross-section has been derived with leading log and the…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. I. Gakh , V. Yu. Gonchar , N. P. Merenkov

BHAGEN-1PH is a FORTRAN program providing fast Monte Carlo event generation of the process $e^+ e^- \to e^+ e^- \gamma$, within electroweak theory, for both unpolarized beams and also for the longitudinally polarized electron beam. The…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Caffo , H. Czyz

We present simple analytic expressions for the distributions of the Bhabha scattering process with emission of one hard photon, including weak boson exchanges, and with longitudinal polarization of the initial electron. The results from the…

High Energy Physics - Phenomenology · Physics 2009-10-28 M. Caffo , H. Czyz , E. Remiddi
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