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Related papers: grc4f v1.0: a Four-fermion Event Generator for e+e…

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The six-fermion production processes $e^+e^-\to q\bar q l^+ l^-\nu\bar\nu$, with all the lepton flavours and $q=u,d,c,s$, relevant to the study of the intermediate-mass Higgs boson at future $e^+e^-$ linear colliders, are analysed. A Monte…

High Energy Physics - Phenomenology · Physics 2011-09-13 F. Gangemi , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

We describe the program package gentle/4fan, which consists of the Fortran codes gentle\_4fan.f, 4fan.f, and gentle\_nc\_qed.f and is devoted to the description of e+ e- annihilation into four fermions. The codes are based on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Bardin , D. Lehner , A. Leike , T. Riemann

The Monte Carlo event generator GGRESRC is described. The generator is developed for simulation of events of the two-photon process e^+e^- --> e^+e^- R, where R is a pseudoscalar resonance, \pi^0, \eta, \eta', \eta_c, or \eta_b. The program…

High Energy Physics - Phenomenology · Physics 2010-10-29 V. P. Druzhinin , L. A. Kardapoltsev , V. A. Tayursky

SUSYGEN is a Monte Carlo program designed for computing distributions and generating events for MSSM sparticle production in e+ e- collisions. The Supersymmetric (SUSY) mass spectrum may either be supplied by the user, or can alternatively…

High Energy Physics - Phenomenology · Physics 2009-10-30 Stavros Katsanevas , Peter Morawitz

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

Large scale calculation for the radiative corrections required for the current and future collider experiments can be done automatically using the GRACE-LOOP system. Here several results for e+e- --> 3-body processes are presented including…

High Energy Physics - Phenomenology · Physics 2009-11-10 F. Boudjema , J. Fujimoto , T. Ishikawa , T. Kaneko , K. Kato , Y. Kurihara , Y. Shimizu , S. Yamashita , Y. Yasui

This paper is a long write-up of ERATO. ERATO is a Monte Carlo event generator describing four fermion production at LEP2 and beyond. All tree-order processes leading to four fermions are included, taking into account all relevant QCD…

High Energy Physics - Phenomenology · Physics 2009-10-28 Costas G. Papadopoulos

FASTERD is a Monte Carlo event generator to study the final state radiation both in the $e^+e^-\to\pi^+\pi^-\gamma$ and $e^+e^-\to\pi^0\pi^0\gamma$ processes in the energy region of the $\phi$-factory DA$\Phi$NE. Differential spectra that…

High Energy Physics - Phenomenology · Physics 2009-06-19 O. Shekhovtsova , G. Venanzoni , G. Pancheri

The initial-state jet matching method introduced in our previous studies has been applied to the event generation of single $W$ and $Z$ production processes and diboson ($W^{+}W^{-}$, $WZ$ and $ZZ$) production processes at hadron collisions…

High Energy Physics - Phenomenology · Physics 2015-05-28 Shigeru Odaka , Yoshimasa Kurihara

The structure of events in high-energy collisions is complex and not predictable from first principles. Event generators allow the problem to be subdivided into more manageable pieces, some of which can be described from first principles,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Torbjörn Sjöstrand

A generator with $\alpha^2$ order radiative correction effects, including both the initial state radiative corrections and the photon vacuum polarization corrections, is built for the full simulation of $e^+e^- \to hadrons $ in cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Zhang , R. Gang , J. C. Chen

We have constructed a Monte Carlo generator for lowest-order predictions for the processes gamma gamma -> 4f and gamma gamma -> 4f+gamma in the Standard Model and extensions thereof by an effective gamma gamma Higgs coupling as well as…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Bredenstein , S. Dittmaier , M. Roth

Monte Carlo event generators are the central interface between theoretical calculations and experimental measurements in collider physics. Over several decades, a comprehensive and highly modular ecosystem of tools has developed around…

High Energy Physics - Phenomenology · Physics 2026-05-18 Melissa van Beekveld , Enrico Bothmann , Andy Buckley , Christian Gütschow , Peter Skands , Ramon Winterhalder

We review the available event generators suited for multi-fermion final state production in the context of physics studies at a future Linear Collider (LC)

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Moretti

Results from the new Monte Carlo event generator Herwig++ are presented. This first version simulates Hadron Emission Reactions With Interfering Gluons in electron-positron annihilation. The parton shower evolution is carried out using new…

High Energy Physics - Phenomenology · Physics 2009-11-10 Stefan Gieseke , Alberto Ribon , Michael H Seymour , Philip Stephens , Bryan Webber

We describe the salient features of precise predictions for the processes e+ e- -> WW -> 4f(gamma) as obtained with the Monte Carlo generator RacoonWW, including the complete O(alpha) electroweak radiative corrections in the double-pole…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Denner , S. Dittmaier , M. Roth , D. Wackeroth

HERWIG (Hadron Emission Reactions With Interfering Gluons) is a multipurpose Monte Carlo event generator for the simulation of hard collisions between hadrons, leptons and photons. This note describes the new features of version 5.9. These…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Marchesini , B. R. Webber , G. Abbiendi , I. G. Knowles , M. H. Seymour , L. Stanco

A description and the use of an event-generator code for two-photon processes at e+e- colliders, TREPS, are presented. This program uses an equivalent photon approximation in which the virtuality of photons is taken into account. It is…

High Energy Physics - Phenomenology · Physics 2013-10-02 Sadaharu Uehara

A fully massive Monte Carlo program to compute all four-fermion processes in electron positron collisions, including Higgs boson production, is presented. Leading higher order effects are discussed and included.

High Energy Physics - Phenomenology · Physics 2009-10-31 F. A. Berends , C. G. Papadopoulos , R. Pittau

In this contribution the matrix element generator AMEGIC++ will be presented. It automatically generates Feynman diagrams, helicity amplitudes, and suitable phase space mappings for processes involving multi-particle final states within the…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Gleisberg , S. Hoeche , F. Krauss , A. Schaelicke , S. Schumann , J. Winter , G. Soff