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Related papers: Polarized NLO EW $e^+e^-$ cross section calculatio…

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We present the EpIC Monte Carlo event generator for exclusive processes sensitive to generalised parton distributions. EpIC utilises the PARTONS framework, which provides a flexible software architecture and a variety of modelling options…

High Energy Physics - Phenomenology · Physics 2022-09-28 E. C. Aschenauer , V. Batozskaya , S. Fazio , K. Gates , H. Moutarde , D. Sokhan , H. Spiesberger , P. Sznajder , K. Tezgin

Complete one-loop electroweak radiative corrections to the charged-current Drell-Yan processes $pp \to \ell^{+}\nu_{\ell}(+X)$ and $pp \to \ell^{-}\bar{\nu}_{\ell}(+X)$ are presented for the case of longitudinal polarization of initial…

High Energy Physics - Phenomenology · Physics 2025-04-25 S. Bondarenko , Ya. Dydyshka , L. Kalinovskaya , A. Kampf , R. Sadykov , V. Yermolchyk

Electroweak effects in the $e^+e^- \to t \bar{t}$ annihilation process are described with taking into account polarization of the initial and final particles. We investigate the effects of complete one-loop electroweak radiative corrections…

High Energy Physics - Phenomenology · Physics 2023-07-12 A. Arbuzov , S. Bondarenko , L. Kalinovskaya , R. Sadykov , V. Yermolchyk

We developed a Monte Carlo event generator for production of nucleon configurations in complex nuclei consistently including effects of Nucleon-Nucleon (NN) correlations. Our approach is based on the Metropolis search for configurations…

Nuclear Theory · Physics 2013-05-14 M. Alvioli , H. -J. Drescher , M. Strikman

We summarise the motivation for, and the status of, the tools developed by CEDAR/MCnet for validating and tuning Monte Carlo event generators for the LHC against data from previous colliders. We then present selected preliminary results…

High Energy Physics - Phenomenology · Physics 2014-11-18 Andy Buckley , Hendrik Hoeth , Holger Schulz , Jan Eike von Seggern

We introduce a new, fully massive, Monte Carlo program to compute all four-fermion processes in electron-positron collisions, including Higgs production. We outline our strategy for the matrix element evaluation, the phase space generation…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. A. Berends , C. G. Papadopoulos , R. Pittau

The upcoming Electron-Ion Collider (EIC) will address several outstanding puzzles in modern nuclear physics. Topics such as the partonic structure of nucleons and nuclei, the origin of their mass and spin, among others, can be understood…

We present the NGAMMA Monte Carlo event generator for QED processes of $e^+e^-$ annihilation into a multiphoton final state, $e^+e^-\to N\gamma (N \ge 2)$. These processes are an important source of background in the study of $e^+e^-\to…

High Energy Physics - Phenomenology · Physics 2025-09-29 L. V. Kardapoltsev , N. A. Melnikova

We present the Monte Carlo integration code MoCaNLO, which computes cross sections and distributions for processes at high-energy colliders like the LHC at leading and next-to-leading order (NLO) in the strong and electroweak couplings. It…

High Energy Physics - Phenomenology · Physics 2026-02-24 A. Denner , D. Lombardi , S. Lopez Portillo Chavez , M. Pellen , G. Pelliccioli

The Monte Carlo integrator HAWK provides precision predictions for Higgs production at hadron colliders in vector-boson fusion and Higgs strahlung, i.e. in production processes where the Higgs boson is Attached to WeaK bosons. The fully…

High Energy Physics - Phenomenology · Physics 2016-05-04 Ansgar Denner , Stefan Dittmaier , Stefan Kallweit , Alexander Mück

Recent progress in calculating lepton density functions inside the proton and simulating lepton showers laid the foundations for precision studies of resonant leptoquark production at hadron colliders. Direct quark-lepton fusion into a…

High Energy Physics - Phenomenology · Physics 2022-12-14 Luca Buonocore , Admir Greljo , Peter Krack , Paolo Nason , Nudzeim Selimovic , Francesco Tramontano , Giulia Zanderighi

In this paper a Monte Carlo generator, GaGaRes, is presented which can be used to describe two-photon resonance production in e^+e^- collisions. The program can generate the five lowest-lying C=+1 meson states of any q\bar{q} combination…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. A. Berends , R. van Gulik

We have developed a Monte Carlo event generator for non-resonant diphoton ($\gamma\gamma$) production at hadron collisions in the framework of GR@PPA, which consistently includes processes having additional one jet radiation. The possible…

High Energy Physics - Phenomenology · Physics 2011-05-31 Shigeru Odaka

Monte-Carlo generator with photon jets radiation in collinear regions for the process \eegg is described in detail. Radiative corrections in the first order of $\alpha$ are treated exactly. Large leading logarithmic corrections coming from…

High Energy Physics - Experiment · Physics 2011-06-13 S. I. Eidelman , G. V. Fedotovich , E. A. Kuraev , A. L. Sibidanov

The results of a complete one-loop calculation for the production of chargino pairs in electron-positron collisions, including the option of polarized beams, are presented. The calculation has been performed in the on-shell renormalization…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Blank , W. Hollik

Negatively weighted events, which appear in the simulation of particle collisions, significantly increase the computational requirements of collider experiments. A new technique called ARCANE reweighting has been introduced in a companion…

High Energy Physics - Phenomenology · Physics 2025-02-13 Prasanth Shyamsundar

Exclusive light meson production processes possible to be measured at RHIC and LHC accelerators are briefly described. This includes Pomeron and photon induced continuum of pions and kaons as well as $f_0$ and $\rho^0$ resonant production.…

High Energy Physics - Phenomenology · Physics 2017-11-15 Maciej Trzebinski

We present a calculation of the cross section and the event generator of the reaction $\pi e\to \pi e \gamma$. This reaction is sensitive to the pion generalized dipole polarizabilities, namely, the longitudinal electric $\alpha_L(q^2)$,…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Unkmeir , A. Ocherashvili , T. Fuchs , M. A. Moinester , S. Scherer

The version 3.01 of ELMAG, a Monte Carlo program for the simulation of electromagnetic cascades initiated by high-energy photons and electrons interacting with extragalactic background light (EBL), is presented. Pair production and inverse…

High Energy Astrophysical Phenomena · Physics 2020-05-20 M. Blytt , M. Kachelriess , S. Ostapchenko