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Cumulant to Factorial Moment Ratio and Multiplicity Data | | I.M.Dremin
; V.Arena
; G.Boca
; G.Gianini
; S.Malvezzi
; M.Merlo
; S.P.Ratti
; C.Riccardi
; G.Salvadori
; L.Viola
; P.Vitulo
; | | Date: |
18 May 1994 | | Journal: | Phys.Lett. B336 (1994) 119-124 | | Subject: | hep-ex hep-ph | | Affiliation: | P.N.Lebedev Institute of Physics, Moscow), V.Arena, G.Boca, G.Gianini, S.Malvezzi, M.Merlo, S.P.Ratti, C.Riccardi, G.Salvadori, L.Viola, P.Vitulo (Department of Nuclear and Theoretical Physics, University of Pavia and Sezione INFN, Pavia, Italy | | Abstract: | The ratio of cumulant to factorial moments of experimental multiplicity distributions has been calculated for $e^{+}e^{-}$ and $hh$ interactions in a wide range of energies. As a function of the rank it exhibits an initial steep decrease and a series of oscillations around zero. Those features cannot be reproduced by the Negative Binomial Distribution. A comparable behaviour is instead predicted in high-energy perturbative QCD. The presence of a qualitatively similar behaviour for different processes and in wide energy intervals suggests speaking of an approximate scaling of the cumulant to factorial moment ratio. | | Source: | arXiv, hep-ex/9405007 | | Services: | Forum | Review | PDF | Favorites | |
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