Programs in Physics & Physical Chemistry
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|Manuscript Title: HERWIG 5.1, a Monte Carlo event generator for simulating hadron emission reactions with interfering gluons.|
|Authors: G. Marchesini, B.R. Webber, G. Abbiendi, I.G. Knowles, M.H. Seymour, L. Stanco|
|Program title: HERWIG|
|Catalogue identifier: ACBY_v1_0|
Distribution format: gz
|Journal reference: Comput. Phys. Commun. 67(1992)465|
|Programming language: Fortran.|
|Operating system: VAX-VMS.|
|RAM: 240K words|
|Word size: 32|
|Keywords: Particle physics, Elementary, Event simulation, Monte carlo, Event generator, Perturbative qcd, Parton shower, Coherent branching, Fragmentation, Hadronic final states.|
Nature of problem:
Simulation of high energy particle collisions, especially those in which a high momentum transfer gives rise to the emission of jets of hadrons. The theoretical basis is the resummation of the perturbative QCD expansion including all asymptotic and some important subasymptotic contributions.
Monte Carlo simulation of a variety of primary collision processes, followed by parton shower generation using a coherent branching algorithm and hadron formation using a cluster fragmentation model.
To run at very high energy (sqrt(s)>> 40 TeV), the program would need recompiling with larger arrays to accommodate the high multiplicity expected.
Depends crucially on the process modelled. Can range from 1000 LEP qqbar events in 10 min, to 1000 SSC QCD 2-> 2 events in 3 hrs. Both times are for a 1 VUP (i.e. approximately 1 MIP) machine.
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