KNO scaling 30 years later

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12 Citations (Scopus)

Abstract

KNO scaling, i.e. the collapse of multiplicity distributions Pn onto a universal scaling curve manifests when Pn is expressed as distribution of the standardized multiplicity (n - c)/λ with c and λ being location and scale parameters governed by leading particle effects and the growth of average multiplicity. At very high energies, strong violation of KNO scaling behavior is observed (pp) and expected to occur (e+e-). This challenges one to introduce novel, physically well motivated and preferably simple scaling rules obeyed by high-energy data. One possibility what I find useful and which satisfies the above requirements is the repetition of the original scaling prescription (shifting and rescaling) in Mellin space, that is, for the multiplicity moments' rank. This scaling principle will be discussed here, illustrating its capabilities both on model predictions and on real data.

Original languageEnglish
Pages (from-to)122-129
Number of pages8
JournalNuclear Physics B - Proceedings Supplements
Volume92
Issue number1-3
DOIs
Publication statusPublished - Feb 1 2001

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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