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

Summed over particle and antiparticle, when appropriate.

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

INSPIRE   PDGID:
S044KC
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ 2.24 \pm0.04}$ OUR AVERAGE
$2.203$ $\pm0.071$
ABE
2004C
 SLD ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$2.21$ $\pm0.05$ $\pm0.05$
ABREU
1998L
 DLPH ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$2.26$ $\pm0.12$
BARATE
1998V
 ALEP ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
$2.42$ $\pm0.13$
AKERS
1994P
 OPAL ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $91.2$ GeV
References:
ABE 2004C
PR D69 072003 Production of ${{\mathit \pi}^{+}}$, ${{\mathit \pi}^{-}}$, ${{\mathit K}^{+}}$, ${{\mathit K}^{-}}$, ${{\mathit p}}$ and ${{\overline{\mathit p}}}$ in Light (${\mathit {\mathit u}}{\mathit {\mathit d}}{\mathit {\mathit s}}$), ${\mathit {\mathit c}}$ and ${\mathit {\mathit b}}$ Jets from ${{\mathit Z}^{0}}$ Decays
ABREU 1998L
EPJ C5 585 ${{\mathit \pi}^{\pm}}$, ${{\mathit K}^{\pm}}$, ${{\mathit p}}$ and ${{\overline{\mathit p}}}$ Production in ${{\mathit Z}^{0}}$ $\rightarrow$ ${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$, ${{\mathit Z}^{0}}$ $\rightarrow$ ${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$, ${{\mathit Z}}$ $\rightarrow$ ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit u}}}$, ${\mathit {\mathit d}}{\mathit {\overline{\mathit d}}}$, ${\mathit {\mathit s}}{\mathit {\overline{\mathit s}}}$
BARATE 1998V
EPJ C5 205 A Measurement of the Semileptonic Branching Ratio B( b-baryon $\rightarrow$ ${{\mathit p}}{{\mathit \ell}}{{\overline{\mathit \nu}}}{{\mathit X}}$ ) and a Study of Inclusive ${{\mathit \pi}^{\pm}}$, ${{\mathit K}^{\pm}}$, (${{\mathit p}}$, ${{\overline{\mathit p}}}$) Production in ${{\mathit Z}}$ Decays
AKERS 1994P
ZPHY C63 181 Measurement of the Production Rates of Charged Hadrons in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilation at the ${{\mathit Z}^{0}}$