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

Summed over particle and antiparticle, when appropriate.

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

INSPIRE   PDGID:
S043PIC
VALUE DOCUMENT ID TECN  COMMENT
$15.70$ $\pm0.35$ 1
ABREU,P
2000F
 DLPH ${\it{}E}^{\it{}ee}_{\rm{}cm}$= 189 GeV
1  ABREU,P 2000F measure $\langle{}\mathit N_{{{\mathit \pi}^{\pm}}}\rangle{}$ = $31.65$ $\pm0.48$ $\pm0.76$ and $15.51$ $\pm0.38$ $\pm0.40$ in the fully hadronic and semileptonic final states respectively. The value quoted is a weighted average without assuming any correlations.
References