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200 papers

LUCIAE is a Monte Carlo program that, connected to FRITIOF, implements both the Firecracker Model (FCM), a possible mechanism for collective multi-gluon emission from the colour fields of interacting strings, and the reinteraction of the…

Nuclear Theory · Physics 2009-10-31 Tai An , Sa Ben-Hao

DPMJET is a Monte Carlo model for sampling of hadron-hadron, hadron-nucleus, nucleus-nucleus and neutrino-nucleus interactions at accelerator and Cosmic Ray energies according to the two-component Dual Parton Model. Here we describe new…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Ranft

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

We report on the implementation of a coherent dipole shower algorithm along with an automated implementation for dipole subtraction and for performing POWHEG- and MC@NLO-type matching to next-to-leading order (NLO) calculations. Both…

High Energy Physics - Phenomenology · Physics 2015-05-30 Simon Platzer , Stefan Gieseke

The latest progress in calculating electroweak gauge boson production in association with QCD jets at hadron colliders is summarized. Particular emphasis is given to the recently completed QCD one-loop calculations of W+3jets and Wb final…

High Energy Physics - Phenomenology · Physics 2022-03-02 Steffen Schumann

We review the physics basis, main features and use of general-purpose Monte Carlo event generators for the simulation of proton-proton collisions at the Large Hadron Collider. Topics included are: the generation of hard-scattering matrix…

We use HERWIRI1.031, a new Monte Carlo event generator for hadron-hadron scattering at high energies, to study the phenomenological effects of our approach of exact amplitude-based resummation in precision QCD calculations. W + jet(s)…

High Energy Physics - Phenomenology · Physics 2019-08-29 B. Shakerin , B. F. L. Ward

We present an improvement of the MC event generator Herwiri2, where we recall the latter MC was a prototype for the inclusion of CEEX resummed EW corrections in hadron-hadron scattering at high cms energies. In this improvement the new…

High Energy Physics - Phenomenology · Physics 2016-10-12 S. Jadach , B. F. L. Ward , Z. A. Was , S. A. Yost

We briefly report on the inclusion of NLO QCD and electroweak corrections to the Higgs-strahlung processes pp/ppbar -> HW/Z -> H+2leptons in the Monte Carlo program HAWK. The electroweak corrections, which are at the level of -(5-10)% for…

High Energy Physics - Phenomenology · Physics 2011-12-23 Ansgar Denner , Stefan Dittmaier , Stefan Kallweit , Alexander Muck

We present a new model for soft interactions in the event-generator Herwig. The model consists of two components. One to model diffractive final states on the basis of the cluster hadronization model and a second component that addresses…

High Energy Physics - Phenomenology · Physics 2017-04-05 Stefan Gieseke , Frashër Loshaj , Patrick Kirchgaeßer

We present the matching of the next-to-leading order QCD calculation for W+W+jj production via vector-boson fusion in hadronic collisions to parton-shower Monte-Carlo programs according to the POWHEG method. Our implementation complements…

High Energy Physics - Phenomenology · Physics 2015-05-30 Barbara Jager , Giulia Zanderighi

A model for soft and diffractive scattering is presented which is incorporated seamlessly into the pre-existing MPI model in the Monte Carlo Event Generator Herwig. With the improved model we are able to describe general aspects of Minimum…

High Energy Physics - Phenomenology · Physics 2017-10-31 Stefan Gieseke , Patrick Kirchgaeßer , Frasher Loshaj

We give a status report on new developments in the WHIZARD event generator, including NLO electroweak automation for $e^+e^-$ colliders, loop-induced processes, POWHEG matching, new features in the UFO interface and the current development…

Glauber models are used to calculate geometric quantities in the initial state of heavy ion collisions, such as impact parameter, number of participating nucleons and initial eccentricity. Experimental heavy-ion collaboration, in particular…

Nuclear Experiment · Physics 2019-01-15 C. Loizides , J. Nagle , P. Steinberg

We study the colour connection structure of R-parity violating decays and production cross sections, and construct a Monte Carlo simulation of these processes including colour coherence effects. We then present some results from the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Herbi Dreiner , Peter Richardson , Michael H. Seymour

This contribution lists challenges of Monte Carlo event generators for future lepton, especially linear colliders. A lot of the recent development benefits from the achievements at the Large Hadron Collider (LHC), but several aspects are…

High Energy Physics - Phenomenology · Physics 2024-12-19 Jürgen Reuter

Hadron production in lepton-nucleus interactions at high-energies is considered in framework of developing Monte Carlo event generator HARDPING (HARD Probe INteraction Generator). Such effects as formation length, energy loss and multiple…

High Energy Physics - Phenomenology · Physics 2015-06-04 Yaroslav Berdnikov , Alexey Ivanov , Victor Kim , Victor Murzin

WPHACT (W W and Higgs Physics with PHACT) is a MC program and unweighted event generator which computes all Standard Model processes with four fermion in the final state at $e^+ e^-$ colliders. It is based on an helicity amplitude method…

High Energy Physics - Phenomenology · Physics 2011-01-27 Elena Accomando , Alessandro Ballestrero

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

Based on QCD-inspired models for multiple jets production, we developed a Monte Carlo program to study jet and the associated particle production in high energy $pp$, $pA$ and $AA$ collisions. The physics behind the program which includes…

Nuclear Theory · Physics 2016-09-08 Xin-Nian Wang , Miklos Gyulassy