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The log-normal distribution for cascade multiplicities in hadron collisions
Department of Radiation Sciences, Uppsala Universit.
Department of Radiation Sciences, Uppsala University.
1990 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 252, no 4, 647-652 p.Article in journal (Refereed) Published
Abstract [en]

We introduce the log-normal distribution as a simple parametrization of multiplicities in hadron-hadron minimum-bias scattering and show that it fits data at all available energies, including the highest energy (pp̄ at √s=900 GeV) were the negative binomial distribution cannot describe the data well. The log-normal distribution is a two-parameter statistical probability function that has a simple and appealing physical interpretation. In statistics theory it arises in the case of multi-step cascade processes where each step multiplies the previous outcome. This gives a natural connection to state-of-the-art models for multiparticle production involving QCD parton cascades and hadronization.

Place, publisher, year, edition, pages
Elsevier, 1990. Vol. 252, no 4, 647-652 p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-28483DOI: 10.1016/0370-2693(90)90500-6OAI: oai:DiVA.org:lnu-28483DiVA: diva2:643778
Note

Source: Scopus

Available from: 2013-08-28 Created: 2013-08-26 Last updated: 2017-12-06Bibliographically approved

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Carius, Staffan

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