This paper presents an analysis of the multiplicity distributions of charged particles produced in Z0hadronic decays in the DELPHI detector. It is based on a sample of 25364 events. The average multiplicity is <nch>=20.71±0.04(stat)±0.77(syst) and the dispersion D=6.28±0.03(stat)±0.43(syst). The data are compared with the results at lower energies and with the predictions of phenomenological models. The Lund parton shower model describes the data reasonably well. The multiplicity distributions show approximate KNO-scaling. They also show positive forward-backward correlations that are strongest in the central region of rapidity and for particles of opposite charge. © 1991 Springer-Verlag.

Abreu, P., Adam, W., Adami, F., Adye, T., Alexeev, G., Allen, P., et al. (1991). Charged particle multiplicity distributions in Z0hadronic decays. ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS, 50(2), 185-194 [10.1007/BF01474073].

Charged particle multiplicity distributions in Z0hadronic decays

Calvi, M.;Matteuzzi, C.;Pullia, A.;Ragazzi, S.;
1991

Abstract

This paper presents an analysis of the multiplicity distributions of charged particles produced in Z0hadronic decays in the DELPHI detector. It is based on a sample of 25364 events. The average multiplicity is =20.71±0.04(stat)±0.77(syst) and the dispersion D=6.28±0.03(stat)±0.43(syst). The data are compared with the results at lower energies and with the predictions of phenomenological models. The Lund parton shower model describes the data reasonably well. The multiplicity distributions show approximate KNO-scaling. They also show positive forward-backward correlations that are strongest in the central region of rapidity and for particles of opposite charge. © 1991 Springer-Verlag.
Articolo in rivista - Articolo scientifico
Scientifica
Physics and Astronomy (miscellaneous)
English
Abreu, P., Adam, W., Adami, F., Adye, T., Alexeev, G., Allen, P., et al. (1991). Charged particle multiplicity distributions in Z0hadronic decays. ZEITSCHRIFT FÜR PHYSIK. C, PARTICLES AND FIELDS, 50(2), 185-194 [10.1007/BF01474073].
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Zuniga, J
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