On the forward-backward correlations in a two-stage scenario
High Energy Physics - Phenomenology
2009-10-31 v1
Abstract
It is demonstrated that in a two-stage scenario with elementary Poissonian emitters of particles (colour strings) arbitrarily distributed in their number and average multiplicities, the forward- backward correlations are completely determined by the final distribution of the forward particles. The observed linear form of the correlations then necessarily requires this distribution to have a negative binomial form. For emitters with a negative binomial distribution of the produced particles distributed so as to give the final distribution also of a negative binomial form, the forward-backward correlations have an essentially non-linear form, which disagrees with the experimental data.
Cite
@article{arxiv.hep-ph/0007241,
title = {On the forward-backward correlations in a two-stage scenario},
author = {M. A. Braun and C. Pajares and V. V. Vechernin},
journal= {arXiv preprint arXiv:hep-ph/0007241},
year = {2009}
}
Comments
14 pages in LaTex, 1 figure in Postscript