Akhmetshin, R.R
AMY
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rivet Analysis
Charged hadron multiplicities in e+ e- annihilations at s**(1/2) = 50-GeV - 61.4-GeV

The AMY collaboration Zheng, H.W. ; Perez, P. ; Auchincloss, Priscilla S. ; et al.
Phys.Rev.D 42 (1990) 737-747, 1990.
Inspire Record 295160 DOI 10.17182/hepdata.22922

We present the charged-particle multiplicity distributions for e+e− annihilation at center-of-mass energies from 50 to 61.4 GeV. The results are based on a data sample corresponding to a total integrated luminosity of 30 pb−1 obtained with the AMY detector at the KEK storage ring TRISTAN. The charged-particle multiplicity distributions deviate significantly from the modified Poisson and pair Poisson distributions, but follow Koba-Nielsen-Olesen scaling and are well reproduced by the LUND parton-shower model.

2 data tables
Table 1

Fully corrected charged particle multiplicity distributions. Errors for n=2 and 4 are systematic only since these were derived using the LUND 6.3 Monte Carlo normalized to the observations at higher n values.

Table 2

No description provided.