English
Related papers

Related papers: $\gamma\gamma$ Event Generators

200 papers

Sherpa is a general-purpose Monte Carlo event generator for the simulation of particle collisions in high-energy collider experiments. We summarize essential features and improvements of the Sherpa 2.2 release series, which is heavily used…

We report on the status of the Monte Carlo event generator WOPPER. Version 1.1 of WOPPER describes four fermion production at LEP-II and beyond with leading logarithmic radiative corrections in the double W pole approximation. These…

High Energy Physics - Phenomenology · Physics 2010-11-11 Harald Anlauf , Hans D. Dahmen , Angelika Himmler , Panagiotis Manakos , Thomas Mannel , Thorsten Ohl

The LHC physics programme involves a vast amount of Monte Carlo event simulation. This paper reviews current efforts towards sharing the generated events as Open Data. Open Event Generation helps reduce duplication of effort and resource…

We study predictions for the reaction $e^+e^- \to {\bar \nu} \nu (n \gamma)$. The complete one-loop corrections are taken into account and higher order contributions, in particular those for the observed real photons, are added whenever…

High Energy Physics - Phenomenology · Physics 2011-09-13 D. Bardin , S. Jadach , T. Riemann , Z. Was

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

In this contribution the new event generation framework SHERPA will be presented, which aims at a full simulation of events at current and future high-energy experiments. Some first results exemplify its capabilities.

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

PYTHIA version 6 represents a merger of the PYTHIA 5, JETSET 7 and SPYTHIA programs, with many improvements. It can be used to generate high-energy-physics `events', i.e. sets of outgoing particles produced in the interactions between two…

High Energy Physics - Phenomenology · Physics 2008-11-26 Torbjörn Sjöstrand , Patrik Edén , Christer Friberg , Leif Lönnblad , Gabriela Miu , Stephen Mrenna , Emanuel Norrbin

Event generators play a crucial role in the exploration of LHC physics. This presentation summarizes news and plans for the three general-purpose pp generators HERWIG, PYTHIA and SHERPA, as well as briefer notes on a few other generators.…

High Energy Physics - Phenomenology · Physics 2016-08-24 Torbjörn Sjöstrand

We report on work done in collaboration with Klaus Kinder-Geiger and John Ellis which aims at connecting the space-time structure of event generator simulations with observable output.

Nuclear Theory · Physics 2009-10-31 U. Heinz , U. A. Wiedemann

We present the results obtained by the Standard Model Process group in the CERN Workshop "Physics at LEP2" (1994/95).

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Boudjema , B. Mele et al

The GR@PPA event generator has been updated to version 2.7. This distribution provides event generators for $V$ ($W$ or $Z$) + jets ($\leq$ 4 jets), $VV$ + jets ($\leq$ 2 jets) and QCD multi-jet ($\leq$ 4 jets) production processes at $pp$…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Tsuno , T. Kaneko , Y. Kurihara , S. Odaka , K. Kato

This report presents a review of the studies made in the working group on gamma gamma and e gamma physics" of the ECFA/DESY workshop on linear collider physics. It reports on several new physics studies, in particular s-channel Higgs…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. De Roeck

I describe a five-dimensional, polarised, Bethe-Heitler event generator of $\gamma$-ray conversions to $\mu^+\mu^-$, based on a generator for conversion to $e^+e^-$ developed in the past. Verifications are performed from close-to-threshold…

Data Analysis, Statistics and Probability · Physics 2019-10-29 Denis Bernard

This selection concentrates more on $\gamma \gamma$ results, with some reference to the related HERA photoproduction data. Progress has been made on a wide range of topics, from $F_{2}^{\gamma}$ to the ``stickiness'' of glueball candidates,…

High Energy Physics - Experiment · Physics 2007-05-23 D. J. Miller

We describe the new version of the Monte Carlo event generator WOPPER for four fermion production through W-pairs including resummed leading logarithmic QED radiative corrections. Among the new features included are singly resonant…

High Energy Physics - Phenomenology · Physics 2008-02-03 Harald Anlauf , Panagiotis Manakos , Thorsten Ohl , Hans Dieter Dahmen

The LEP experiments are making real progress in understanding the structure of the photon, though the results do not yet give such clear demonstrations of QCD in action as the proton structure has done. Other new results are reported,…

High Energy Physics - Experiment · Physics 2007-05-23 D. J. Miller

Event log analysis is an important task that security professionals undertake. Event logs record key information on activities that occur on computing devices, and due to the substantial number of events generated, they consume a large…

Artificial Intelligence · Computer Science 2025-02-04 Siraaj Akhtar , Saad Khan , Simon Parkinson

A high-energy lepton-lepton collider will give us a unique possibility to study e-gamma and gamma-gamma interactions at high energies. The high-energy photons can be generated by Compton back-scattering of laser light on the high-energy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Christer Friberg

An overview is given of general-purpose event generators, especially PYTHIA and HERWIG. The current status is summarized, some recent physics improvements are described, and planned future projects are outlined.

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Sjöstrand , M. H. Seymour

Precise electroweak results from LEP2 are reviewed.

High Energy Physics - Experiment · Physics 2011-04-15 D. G. Charlton