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

Summed over particle and antiparticle, when appropriate.

$\langle{}\mathit N_{{{\mathit p}} }\rangle{}$

INSPIRE  
VALUE DOCUMENT ID TECN  COMMENT
$0.92$ $\pm0.14$ 1
ABREU,P
2000F
 DLPH ${\it{}E}^{\it{}ee}_{\rm{}cm}$= 189 GeV
1  ABREU,P 2000F measure $\langle{}\mathit N_{{{\mathit p}} }\rangle{}$ = $1.82$ $\pm0.29$ $\pm0.16$ and $0.94$ $\pm0.23$ $\pm0.06$ 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