GAUGE AND HIGGS BOSONS
INSPIRE search

${{\mathit W}}$ $J$ = $1$

Reviews:
The Mass and Width of the ${{\mathit W}}$ Boson
Extraction of Triple Gauge Couplings (TGC's) (rev.)
Anomalous ${{\mathit W}}/{{\mathit Z}}$ Quartic Couplings (rev.)
${{\mathit W}}$ MASS   $80.385 \pm0.015$ GeV 
${{\mathit W}}/{{\mathit Z}}$ MASS RATIO   $0.88153 \pm0.00017$  
${\mathit m}_{{{\mathit Z}}}–{\mathit m}_{{{\mathit W}}}$   $10.803 \pm0.015$ GeV 
${\mathit m}_{{{\mathit W}^{+}}}–{\mathit m}_{{{\mathit W}^{-}}}$   $-0.2 \pm0.6$ 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]$(10.86\pm0.09)\%$
$\Gamma_{2}$ ${{\mathit e}^{+}}{{\mathit \nu}}$ $(10.71\pm0.16)\%$40192
$\Gamma_{3}$ ${{\mathit \mu}^{+}}{{\mathit \nu}}$ $(10.63\pm0.15)\%$40192
$\Gamma_{4}$ ${{\mathit \tau}^{+}}{{\mathit \nu}}$ $(11.38\pm0.21)\%$40173
$\Gamma_{5}$ hadrons $(67.41\pm0.27)\%$
$\Gamma_{6}$ ${{\mathit \pi}^{+}}{{\mathit \gamma}}$ $<7\times 10^{-6}$CL=95%40192
$\Gamma_{7}$ ${{\mathit D}_{{s}}^{+}}{{\mathit \gamma}}$ $<1.3\times 10^{-3}$CL=95%40168
$\Gamma_{8}$ ${{\mathit c}}$ X $(33.3\pm2.6)\%$
$\Gamma_{9}$ ${{\mathit c}}{{\overline{\mathit s}}}$ $(31^{+13}_{-11})\%$
$\Gamma_{10}$ invisible [2]$(1.4\pm2.9)\%$