Space-Time Picture of Fragmentation in PYTHIA/JETSET for HERMES and RHIC

Abstract

We examine the space-time evolution of (pre-)hadron production within the Lund string fragmentation model. The complete four-dimensional information of the string breaking vertices and the meeting points of the prehadron constituents are extracted for each single event in Monte Carlo simulations using the Jetset-part of Pythia. We discuss the implication on the deep inelastic lepton scattering experiments at HERMES as well as on observables in ultra-relativistic heavy ion collisions at RHIC, using Pythia also for modeling the hard part of the interaction.

15 pages, 7 figures, final version as accepted by Phys Lett B

References in corpus (1)

• Hadron attenuation in deep inelastic lepton-nucleus scattering

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