# AVERAGE PARTICLE MULTIPLICITIES IN HADRONIC ${{\boldsymbol Z}}$ DECAY

Summed over particle and antiparticle, when appropriate.

# $\langle{}\boldsymbol N_{\boldsymbol charged}\rangle{}$ INSPIRE search

VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 20.76 \pm0.16}$ OUR AVERAGE  Error includes scale factor of 2.1.
$20.46$ $\pm0.01$ $\pm0.11$
 2003 G
L3 ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$21.21$ $\pm0.01$ $\pm0.20$
 1999
DLPH ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$21.05$ $\pm0.20$
 1995 Z
OPAL ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$20.91$ $\pm0.03$ $\pm0.22$
 1995 R
ALEP ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$21.40$ $\pm0.43$
 1992 B
OPAL ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$20.71$ $\pm0.04$ $\pm0.77$
 1991 H
DLPH ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$20.7$ $\pm0.7$
 1991 I
L3 ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$20.1$ $\pm1.0$ $\pm0.9$
 1990
MRK2 ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.1$ GeV

$\langle{}\mathit N_{\mathit charged}\rangle{}$
References:
 ACHARD 2003G
PL B577 109 Measurement of Charged Particle Multiplicity Distributions and their ${{\mathit H}_{{q}}}$ Moments in Hadronic ${{\mathit Z}}$ Decays at LEP
 ABREU 1999
EPJ C6 19 Measurement of the Quark and Gluon Fragmentation Functions in ${{\mathit Z}^{0}}$ Hadronic Decays
 AKERS 1995Z
ZPHY C68 203 Measurement of the Longitudinal, Transverse and Asymmetry Fragmentation Functions at LEP
 BUSKULIC 1995R
ZPHY C69 15 Measurement of the Charged Particle Multiplicity Distribution in Restricted Rapidity Intervals
 ACTON 1992B
ZPHY C53 539 A Study of Charged Particle Multiplicities in Hadronic Decays of the ${{\mathit Z}^{0}}$
 ABREU 1991H
ZPHY C50 185 Charged Particle Multiplicity Distributions in ${{\mathit Z}^{0}}$ Hadronic Decays
PL B259 199 Measurement of the Inclusive Production of Neutral Pions and Charged Particles on the ${{\mathit Z}^{0}}$ Resonance
PRL 64 1334 Measurements of Charged Particle Inclusive Distributions in Hadronic Decays of the ${{\mathit Z}}$ Boson