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Related papers: Herwig++ 1.0: An Event Generator for e+e- Annihila…

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A new version of the Monte Carlo event generator DPMJET is presented. It is a code system based on the Dual Parton Model and unifies all features of the DTUNUC-2, DPMJET-II and PHOJET 1.12 event generators. DPMJET-III allows the simulation…

High Energy Physics - Phenomenology · Physics 2015-06-25 Stefan Roesler , Ralph Engel , Johannes Ranft

We develop a Monte-Carlo event generator based on combination of a parton production formula including the effects of parton saturation (called the DHJ formula) and hadronization process due to the Lund string fragmentation model. This…

High Energy Physics - Phenomenology · Physics 2015-06-23 Wei-Tian Deng , Hirotsugu Fujii , Kazunori Itakura , Yasushi Nara

The quark spin effects have been introduced in the Pythia 8 Monte Carlo event generator for the simulation of $e^+e^-$ annihilation by interfacing the generator with the StringSpinner package. The package allows to simulate quark spin…

High Energy Physics - Phenomenology · Physics 2024-10-16 A. Kerbizi , L. Lönnblad , A. Martin

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 additional one-jet production. The jet-matching method…

High Energy Physics - Phenomenology · Physics 2013-05-30 Shigeru Odaka , Yoshimasa Kurihara

This paper is a follow-up of Ref.~\cite{Ravasio:2018lzi}, where we studied the impact of next-to-leading order calculations merged with parton shower generators (NLO+PS) of increasing accuracy in the extraction of the top mass at hadron…

High Energy Physics - Phenomenology · Physics 2020-01-08 Silvia Ferrario Ravasio , Tomas Jezo , Paolo Nason , Carlo Oleari

We propose a simple scheme to start a parton-shower evolution description from a given jet configuration in $e^+ e^-$ annihilation events. This allows a convenient combination of the full angular information content of matrix elements with…

High Energy Physics - Phenomenology · Physics 2011-01-13 J. André , T. Sjöstrand

A program to simulate the production of heavy quarks through the boson-gluon fusion process in $e^{\pm}p$ collisions is presented. The full electro\-weak structure of the electron--gluon interaction is taken into account as well as the…

High Energy Physics - Phenomenology · Physics 2009-10-28 G. Ingelman , J. Rathsman , G. A. Schuler

Detailed and precise background predictions are the backbone of large parts of high-energy collider phenomenology. This requires to embed precision QCD calculations into detailed event generators, to produce comprehensive software…

High Energy Physics - Phenomenology · Physics 2022-02-03 Valerio Bertone , Stefan Prestel

The multiplicity of heavy quarks from gluon splitting in e+e- annihilation has now been theoretically calculated and experimentally measured at LEP. However, the experimental measurement requires theoretical input for the shape of the…

High Energy Physics - Phenomenology · Physics 2009-04-13 D. J. Miller , Michael H. Seymour

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

During the last 15 years the Radio MonteCarLow Working Group has been providing valuable support to the development of radiative corrections and Monte Carlo event generators for low energy $e^+e^-$ data and $\tau$-lepton decays. While the…

High Energy Physics - Phenomenology · Physics 2023-11-15 Graziano Venanzoni

The HIJING (Heavy-ion Jet Interaction Generator) Monte Carlo model is updated with the latest parton distributions functions (PDF) and new set of the parameters in the two-component mini-jet model that controls total $p+p$ cross section and…

High Energy Physics - Phenomenology · Physics 2011-02-18 Wei-Tian Deng , Xin-Nian Wang , Rong Xu

We calculate the antideuteron yield in dark matter annihilations on an event-by-event basis using the HERWIG++ Monte Carlo generator. We present the resulting antideuteron fluxes for quark and gauge boson final states. As deuteron…

High Energy Physics - Phenomenology · Physics 2012-12-11 L. A. Dal , M. Kachelriess

We analyze hadronic final states of $e^+e^-$ annihilation through event shape observables, Thrust and C-parameter, and inclusive hadron spectra at the planned center-of-mass (c.m.) energies of the Future Circular Electron-Positron Collider…

High Energy Physics - Phenomenology · Physics 2026-05-21 Philip Mathew , Ritu Aggarwal , Manjit Kaur

We have implemented two recently proposed dipole shower algorithms that have next-to-leading-logarithmic accuracy at leading colour in the Herwig event generator. We study their properties and compare them to Herwig's existing dipole and…

High Energy Physics - Phenomenology · Physics 2026-05-05 Jack Holguin , Simon Plätzer , Michael H. Seymour , Siddharth Sule

Monte Carlo event generators assume that protons split into (uu)-diquarks and d-quarks with a probability of 1/3 in strong interactions. It is shown in this paper that using a value of 1/6 for the probability allows one to describe at a…

High Energy Physics - Phenomenology · Physics 2015-03-05 V. Uzhinsky , A. Galoyan

A quark coalescence model is presented based on semi-relativistic molecular dynamics with color interactions among quarks taken into account and applied to $pp$ collisions to study the effects of this model. A phenomenological potential…

High Energy Physics - Phenomenology · Physics 2019-05-22 Guang-Lei Li , Chun-Bin Yang

Monte Carlo event generators for hard hadronic collisions depend on the evolution of parton showers backwards from a high-scale subprocess to the hadronization scale. The evolution is treated as a branching process with a sequence of…

High Energy Physics - Phenomenology · Physics 2024-04-16 Stefano Frixione , Bryan R. Webber

A Monte Carlo generator has been constructed to simulate the reaction e^+e^- \to \gamma + 4 \pi, where the photon is assumed to be observed in the detector. Only initial state radiation is considered. Additional collinear photon radiation…

High Energy Physics - Phenomenology · Physics 2009-01-07 H. Czyz , J. H. Kuehn

A Monte Carlo event generator has been developed assuming thermal production of hadrons. The system under consideration is sampled grand canonically in the Boltzmann approximation. A re-weighting scheme is then introduced to account for…

Nuclear Theory · Physics 2009-12-14 M. Hauer , S. Wheaton