Generating heavy particles with energy and momentum conservation

Details Generating heavy particles with energy and momentum conservation Generating heavy particles with energy and momentum conservation

2011-01-17

arxiv.org/abs/1101.3339v1

Comput.Phys.Commun.182:2561-2566,2011

Physics

Nuclear Physics

Nuclear Theory

14 pages, 1 figure, software described here can be downloaded from http://www.fpv.umb.sk/~tomasik/reggae/

Scientific paper

10.1016/j.cpc.2011.06.015

We propose a novel algorithm, called REGGAE, for the generation of momenta of a given sample of particle masses, evenly distributed in Lorentz invariant phase space and obeying energy and momentum conservation. In comparison to other existing algorithms, REGGAE is designed for the use in multiparticle production in hadronic and nuclear collisions where many hadrons are produced and a large part of the available energy is stored in the form of their masses. The algorithm uses a loop simulating multiple collisions which lead to production of configurations with reasonably large weights.

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