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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

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

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

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

We review the status of Monte Carlo generators presently used for simulations of the large-angle Bhabha process at electron-positron colliders of moderately high energy (flavour factories), operating at centre-of-mass energies between about…

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

Analysis of small angle scattering (SAS) data requires intensive modelling to infer and characterize the structures present in a sample. This iterative improvement of models is a time consuming process. Here we present the Scattering…

Computational Physics · Physics 2023-11-30 Tobias William Jensen Jarrett , Carsten Svaneborg

A method to determine the running of alpha from a measurement of small-angle Bhabha scattering is proposed and worked out. The method is suited to high statistics experiments at e+e- colliders, which are equipped with luminometers in the…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. B. Arbuzov , D. Haidt , C. Matteuzzi , M. Paganoni , L. Trentadue

A Monte Carlo algorithm for calculating the single-particle spin-echo small-angle neutron scattering (SESANS) correlation function is presented. It is argued that the algorithm provides a general and efficient way of calculating SESANS data…

Data Analysis, Statistics and Probability · Physics 2007-05-23 H. Kaya

We present the results of our calculations to a one, two, and three loop approximation of the e$^+$e$^-$$\rightarrow$e$^+$e$^-$ Bhabha scattering cross-section at small angles. All terms contributing to the radiatively corrected…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Arbuzov , V. Fadin , E. Kuraev , L. Lipatov , N. Merenkov , L. Trentadue

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

We propose a method to determine the running of $\alpha_{QED}$ from the measurement of small-angle Bhabha scattering. The method is suited to high statistics experiments at $e^{+} e^{-}$ colliders, which are equipped with luminometers in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Luca Trentadue

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

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

We introduce a Monte Carlo integration-based Shooting and Bouncing Ray (SBR) algorithm for electromagnetic scattering, specifically targeting complex dielectric materials. Unlike traditional deterministic SBR methods, our approach is the…

Computational Engineering, Finance, and Science · Computer Science 2025-11-12 Samuel Audia , Dinesh Manocha , Matthias Zwicker

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

In this paper, we examine the Sample Average Approximation (SAA) procedure within a framework where the Monte Carlo estimator of the expectation is biased. We also introduce Multilevel Monte Carlo (MLMC) in the SAA setup to enhance the…

Computational Finance · Quantitative Finance 2024-07-29 Devang Sinha , Siddhartha P. Chakrabarty

The scattering equation formalism is a general framework for calculation of amplitudes in theories of massless particles. We provide a detailed introduction to the 4D scattering equation framework accessible to non-experts, outline current…

High Energy Physics - Theory · Physics 2018-08-29 Joseph A. Farrow

Analytical formulae for small-angle Bhabha scattering cross-section at LEP1 are given for the case of wide-narrow angular acceptance. Inclusive and calorimeter event selections are considered. Numerical results are presented.

High Energy Physics - Phenomenology · Physics 2009-10-30 A. B. Arbuzov , G. I. Gach , V. Yu. Gontchar , E. A. Kuraev , N. P. Merenkov , L. Trentadue

We investigate ways of accurately simulating the propagation of energetic charged particles over small times where the standard Monte Carlo approximation to diffusive transport breaks down. We find that a small-angle scattering procedure…

Astrophysics · Physics 2009-11-07 R. J. Protheroe , A. Meli , A. -C Donea
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