GAUGE AND HIGGS BOSONS INSPIRE   JSON PDGID:
S043

${{\mathit W}}$

$J$ = $1$ 
${{\mathit W}}$ MASS   $80.3692 \pm0.0133$ GeV 
 
${{\mathit W}}/{{\mathit Z}}$ MASS RATIO   $0.88136 \pm0.00015$  
 
${\mathit m}_{{{\mathit Z}}}–{\mathit m}_{{{\mathit W}}}$   $10.818 \pm0.013$ GeV 
 
${\mathit m}_{{{\mathit W}^{+}}}–{\mathit m}_{{{\mathit W}^{-}}}$   $-0.029 \pm0.028$ GeV 
 
${{\mathit W}}$ WIDTH   $2.085 \pm0.042$ GeV 
 
AVERAGE PARTICLE MULTIPLICITIES IN HADRONIC ${{\mathit W}}$ DECAY
$\langle{}\mathit N_{{{\mathit \pi}^{\pm}}}\rangle{}$   $15.70 \pm0.35$  
 
$\langle{}\mathit N_{{{\mathit K}^{\pm}}}\rangle{}$   $2.20 \pm0.19$  
 
$\langle{}\mathit N_{{{\mathit p}}}\rangle{}$   $0.92 \pm0.14$  
 
$\langle{}\mathit N_{{\mathrm {charged}}}\rangle{}$   $19.39 \pm0.08$  
 
TRIPLE GAUGE COUPLINGS (TGC'S)
$\mathit g{}^{{{\mathit Z}}}_{1}$   $0.984 {}^{+0.018}_{-0.020}$  
 
$\kappa _{{{\mathit \gamma}}}$   $0.982 \pm0.042$  
 
$\lambda _{{{\mathit \gamma}}}$   $-0.022 \pm0.019$  
 
$\kappa _{{{\mathit Z}}}$   $0.92 \pm0.06$  
 
$\lambda _{{{\mathit Z}}}$   $-0.09 \pm0.06$  
 
$\mathit g{}^{{{\mathit Z}}}_{5}$   $-0.07 \pm0.09$  (S = 1.1)
 
$\mathit g{}^{{{\mathit Z}}}_{4}$   $-0.30 \pm0.17$  
 
${{\widetilde{\mathit \kappa}}}_{{{\mathit Z}}}$   $-0.12 {}^{+0.06}_{-0.04}$  
 
${{\widetilde{\mathit \lambda}}}_{{{\mathit Z}}}$   $-0.09 \pm0.07$  
 
${{\mathit W}}$ ANOMALOUS MAGNETIC MOMENT   $2.22 \pm0.20$ ${{\mathit e}}/2{\mathit m}_{{{\mathit W}}}$ 
 
${{\mathit c}_{{{{WWW}}}}}/\Lambda {}^{2}$, ${{\mathit c}_{{{{W}}}}}/\Lambda {}^{2}$, ${{\mathit c}_{{{{B}}}}}/\Lambda {}^{2}$
ANOMALOUS ${{\mathit W}}/{{\mathit Z}}$ QUARTIC COUPLINGS
${{\mathit a}_{{{0}}}}/\Lambda {}^{2}$, ${{\mathit a}_{{{c}}}}/\Lambda {}^{2}$, ${{\mathit a}_{{{n}}}}/\Lambda {}^{2}$, ${{\mathit \kappa}_{{{0}}}^{W}}/\Lambda {}^{2}$, ${{\mathit \kappa}_{{{c}}}^{W}}/\Lambda {}^{2}$, ${{\mathit f}}_{T,0}/\Lambda {}^{4}$, ${{\mathit f}}_{M,i}/\Lambda {}^{4}$, ${{\mathit \alpha}_{{{4}}}}$, ${{\mathit \alpha}_{{{5}}}}$, F$_{S,i}/\Lambda {}^{4}$, F$_{M,i}/\Lambda {}^{4}$, F$_{T,i}/\Lambda {}^{4}$
${{\mathit W}^{-}}$ modes are charge conjugates of the modes below.
$\Gamma_{1}$ ${{\mathit \ell}^{+}}{{\mathit \nu}}$  [1] $(10.86\pm{0.09})\%$  
 
$\Gamma_{2}$ ${{\mathit e}^{+}}{{\mathit \nu}}$   $(10.71\pm{0.16})\%$ 40185
 
$\Gamma_{3}$ ${{\mathit \mu}^{+}}{{\mathit \nu}}$   $(10.63\pm{0.15})\%$ 40185
 
$\Gamma_{4}$ ${{\mathit \tau}^{+}}{{\mathit \nu}}$   $(11.38\pm{0.21})\%$ 40165
 
$\Gamma_{5}$ hadrons   $(67.41\pm{0.27})\%$  
 
$\Gamma_{6}$ ${{\mathit \pi}^{+}}{{\mathit \gamma}}$   $<7\times 10^{-6}$ CL=95% 40184
 
$\Gamma_{7}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit \gamma}}$   $<6\times 10^{-4}$ CL=95% 40160
 
$\Gamma_{8}$ ${{\mathit c}}$ X   $(33.3\pm{2.6})\%$  
 
$\Gamma_{9}$ ${{\mathit c}}{{\overline{\mathit s}}}$   $(31^{+13}_{-11})\%$  
 
$\Gamma_{10}$ invisible  [2] $(1.4\pm{2.9})\%$  
 
$\Gamma_{11}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   $<1.01\times 10^{-6}$ CL=95% 40184
 
FOOTNOTES