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Related papers: Photon-Photon Collisions with SuperChic

200 papers

We discuss the theoretical approach and practical algorithms for simulation of radiative events in elastic ep-scattering. A new Monte Carlo generator for real photon emission events in the process of elastic electron-proton scattering is…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Afanasev , I. Akushevich , A. Ilyichev , B. Niczyporuk

The ultraperipheral heavy ion collisions (UPC's) are an important alternative to study the QCD dynamics until the next generation of $e^+e^-/ ep / eA $ colliders become reality. Due to the coherent action of all the protons in the nucleus,…

High Energy Physics - Phenomenology · Physics 2009-11-11 V. P. Goncalves , M. V. T. Machado

We calculate the photonuclear production of heavy quarks in ultraperipheral heavy ion collisions. The integrated cross section and the rapidity distribution are computed employing sound high energy QCD formalisms as the collinear and…

High Energy Physics - Phenomenology · Physics 2010-11-30 V. P. Goncalves , M. V. T. Machado

We extend our Monte Carlo generator of global configurations in nuclei to include different spatial distributions of protons and neutrons in heavy nuclei taking into account the difference of spatial correlations between two protons, two…

High Energy Physics - Phenomenology · Physics 2019-09-04 Massimiliano Alvioli , Mark Strikman

We compute the next-to-leading order corrections in $\alpha_s$ to prompt diphoton production in association with a jet at hadron colliders. We use a next-to-leading order general-purpose partonic Monte Carlo event generator that allows the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Vittorio Del Duca , Fabio Maltoni , Zoltan Nagy , Zoltan Trocsanyi

Multiparticle production in hadron and lepton interactions still attracts our attention. Simulation by using Monte Carlo event generators is performed before planning any experiment. But it often overestimates (or underestimates)…

High Energy Physics - Phenomenology · Physics 2026-04-22 E. S. Kokoulina

Proton-Proton ($pp$) collisions at the Large Hadron Collider (LHC) are simulated in order to study events with a high local density of charged particles produced in narrow pseudorapidty windows of $\Delta\eta$ = 0.1, 0.2, and 0.5. The $pp$…

High Energy Physics - Experiment · Physics 2020-10-23 E. Shokr , A. H. El-Farrash , A. De Roeck , M. A. Mahmoud

In "$\eta_c$ production in photon-induced interactions at the LHC," \cite{Goncalves:2018yxc} Goncalves and Moreira discuss inclusive and exclusive $\eta_c$ production at $pp$ and $pA$ collisions at LHC energies. The exclusive channels are…

High Energy Physics - Phenomenology · Physics 2018-12-19 Spencer R. Klein

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

We present the Monte Carlo event generator {\tt WOPPER} for pair production of $W$'s and their decays at high energy $e^+e^-$ colliders. {\tt WOPPER} includes the effects from finite $W$ width and focusses on the calculation of higher order…

High Energy Physics - Phenomenology · Physics 2009-10-22 H. Anlauf , H. D. Dahmen , P. Manakos , T. Mannel , WOPPER

The heavy quark production in ultraperipheral heavy ion collisions is investigated, in particular we focus on the results from the coherent interactions given by the two-photon process. One addresses the heavy quark total cross sections at…

High Energy Physics - Phenomenology · Physics 2009-01-07 V. P. Goncalves , M. V. T. Machado

HEPGEN is a generator of Monte Carlo events, which is dedicated to studies of hard exclusive single photon or meson production processes at the COMPASS experiment kinematic domain. In addition HEPGEN allows to generate also single photon or…

High Energy Physics - Phenomenology · Physics 2012-07-03 A. Sandacz , P. Sznajder

We describe a simple algorithm that calculates the distributions of electrons and positrons under multiphoton beamstrahlung at a future linear collider. The evolution equation as given by Chen is solved by a Monte Carlo algorithm. Explicit…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Anlauf

We present a Monte-Carlo event generator for simulating chargino pair-production at the International Linear Collider (ILC) at next-to-leading order in the electroweak couplings. By properly resumming photons in the soft and collinear…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Kilian , J. Reuter , T. Robens

The cross sections for the single exclusive production of (pseudo)scalar and (pseudo)tensor hadrons, as well as of even-spin QED bound states formed by pairs of opposite-charge leptons or hadrons, are estimated for photon-fusion processes…

High Energy Physics - Phenomenology · Physics 2026-01-01 David d'Enterria , Karen Kang

We compare the three general-purpose Monte Carlo event generators, HERWIG, PYTHIA, and SHEPRA for jet photoproduction processes in $e^+e^-$ and $ep$ collisions. Due to the lower energy scales probed, photoproduction is particularly…

High Energy Physics - Phenomenology · Physics 2026-05-06 Ilkka Helenius , Peter Meinzinger , Simon Plätzer , Peter Richardson

Photoproduction is an important mode for the production of jets and electro-weak particles at lepton--lepton and lepton--hadron colliders and allows for interesting studies of exclusive production at hadron--hadron colliders. In this talk,…

High Energy Physics - Phenomenology · Physics 2024-09-19 Peter Meinzinger

We study the production of charginos and sneutrinos in electron-photon collisions within the minimal supersymmetric standard model (MSSM). The high energy photons can be generated by Compton backscattering of intense laser pulses off one of…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Hesselbach , H. Fraas

The complete QCD corrections to the scalar top quark pair production via $\gamma \gamma$ fusion in parent $e^{+}e^{-}$ collider are calculated in the Supersymmetric Model. The various origins of corrections are discussed. We find that the…

High Energy Physics - Phenomenology · Physics 2009-10-30 Chao-Hsi Chang , Liang Han , Wen-Gan Ma , Zeng-Hui Yu

In ultra-peripheral heavy-ion collisions the nuclei pass with such a large impact parameter that no strong interaction can take place. However, a photon emitted by one nucleus can still interact either with the other nucleus or with a…

High Energy Physics - Phenomenology · Physics 2018-06-20 Ilkka Helenius