Producing Hard Processes Regarding the Complete Event: The EPOS Event Generator

Abstract

Jet cross sections can be in principle compared to simple pQCD calculations, based on the hypothesis of factorization. But often it is useful or even necessary to not only compute the production rate of the very high pt jets, but in addition the "rest of the event". The proposed talk is based on recent work, where we try to construct an event generator fully compatible with pQCD which allows to compute complete events, consisting of high pt jets plus all the other low pt particles produced at the same time. Whereas in "generators of inclusive spectra" like Pythia one may easily trigger on high pt phenomena, this is not so obvious for "generators of physical events", where in principle one has to generate a very large number of events in order to finally obtain rare events (like those with a very high pt jet). We recently developped an independnat block method which allow us ta have a direct access to dedicated variables 1. We will present latest results concerning this approach.

Moriond 2010 Porceeding

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• Heavy-Quark Kinetics in the QGP at LHC
• Thermal Dileptons at LHC
• Heavy Ion Collisions at the LHC - Last Call for Predictions
• Core-Corona Separation in Ultra-Relativistic Heavy Ion Collisions
• Longitudinal double-spin asymmetry and cross section for inclusive jet production in polarized proton collisions at sqrt(s) = 200 GeV
• Single-Inclusive Jet Production in Polarized pp Collisions at O(alpha_s^3)
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• Charged-particle distributions in $\sqrt{s}=13$ TeV $pp$ interactions measured with the ATLAS detector at the LHC
• Charged-particle distributions at low transverse momentum in $\sqrt{s}$=13 TeV pp interactions measured with the ATLAS detector at the LHC
• Charged-particle distributions in $pp$ interactions at $\sqrt{s}=8$ TeV measured with the ATLAS detector
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• Measurement of the underlying-event properties with the ATLAS detector
• Measurements of charged-particle distributions with the ATLAS detector