AVERAGE PARTICLE MULTIPLICITIES IN HADRONIC ${{\mathit W}}$ DECAY

Summed over particle and antiparticle, when appropriate.

$\langle{}\mathit N_{{{\mathit K}^{\pm}} }\rangle{}$

VALUE DOCUMENT ID TECN  COMMENT
$2.20$ $\pm0.19$ 1
 2000 F
DLPH ${\it{}E}^{\it{}ee}_{\rm{}cm}$= 189 GeV
 1 ABREU,P 2000F measure $\langle{}\mathit N_{{{\mathit K}^{\pm}} }\rangle{}$ = $4.38$ $\pm0.42$ $\pm0.12$ and $2.23$ $\pm0.32$ $\pm0.17$ in the fully hadronic and semileptonic final states respectively. The value quoted is a weighted average without assuming any correlations.
References:
 ABREU,P 2000F
EPJ C18 203 Charged and Identified Particles in the Hadronic Decay of ${{\mathit W}}$ Bosons and in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ from 130 to 200 GeV
 Also
EPJ C25 493 (errat.) Erratum: ABREU,P 2000F Charged and Identified Particles in the Hadronic Decay of ${{\mathit W}}$ Bosons and in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ from 130 to 200 Gev