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${{\mathit W}}$ MASS
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$80.3692 \pm0.0133$ GeV
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${{\mathit W}}/{{\mathit Z}}$ MASS RATIO
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$0.88136 \pm0.00015$
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${\mathit m}_{{{\mathit Z}}}{\mathit m}_{{{\mathit W}}}$
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$10.818 \pm0.013$ GeV
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${\mathit m}_{{{\mathit W}^{+}}}{\mathit m}_{{{\mathit W}^{-}}}$
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$-0.029 \pm0.028$ GeV
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${{\mathit W}}$ WIDTH
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$2.085 \pm0.042$ GeV
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$\langle{}\mathit N_{{{\mathit \pi}^{\pm}}}\rangle{}$
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$15.70 \pm0.35$
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$\langle{}\mathit N_{{{\mathit K}^{\pm}}}\rangle{}$
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$2.20 \pm0.19$
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$\langle{}\mathit N_{{{\mathit p}}}\rangle{}$
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$0.92 \pm0.14$
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$\langle{}\mathit N_{{\mathrm {charged}}}\rangle{}$
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$19.39 \pm0.08$
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$\mathit g{}^{{{\mathit Z}}}_{1}$
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$0.984 {}^{+0.018}_{-0.020}$
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$\kappa _{{{\mathit \gamma}}}$
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$0.982 \pm0.042$
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$\lambda _{{{\mathit \gamma}}}$
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$-0.022 \pm0.019$
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$\kappa _{{{\mathit Z}}}$
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$0.92 \pm0.06$
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$\lambda _{{{\mathit Z}}}$
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$-0.09 \pm0.06$
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$\mathit g{}^{{{\mathit Z}}}_{5}$
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$-0.07 \pm0.09$ (S = 1.1)
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$\mathit g{}^{{{\mathit Z}}}_{4}$
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$-0.30 \pm0.17$
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${{\widetilde{\mathit \kappa}}}_{{{\mathit Z}}}$
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$-0.12 {}^{+0.06}_{-0.04}$
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${{\widetilde{\mathit \lambda}}}_{{{\mathit Z}}}$
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$-0.09 \pm0.07$
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${{\mathit W}}$ ANOMALOUS MAGNETIC MOMENT
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$2.22 \pm0.20$ ${{\mathit e}}/2{\mathit m}_{{{\mathit W}}}$
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${{\mathit c}_{{{{WWW}}}}}/\Lambda {}^{2}$, ${{\mathit c}_{{{{W}}}}}/\Lambda {}^{2}$, ${{\mathit c}_{{{{B}}}}}/\Lambda {}^{2}$
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${{\mathit a}_{{{0}}}}/\Lambda {}^{2}$, ${{\mathit a}_{{{c}}}}/\Lambda {}^{2}$, ${{\mathit a}_{{{n}}}}/\Lambda {}^{2}$, ${{\mathit \kappa}_{{{0}}}^{W}}/\Lambda {}^{2}$, ${{\mathit \kappa}_{{{c}}}^{W}}/\Lambda {}^{2}$, ${{\mathit f}}_{T,0}/\Lambda {}^{4}$, ${{\mathit f}}_{M,i}/\Lambda {}^{4}$, ${{\mathit \alpha}_{{{4}}}}$, ${{\mathit \alpha}_{{{5}}}}$, F$_{S,i}/\Lambda {}^{4}$, F$_{M,i}/\Lambda {}^{4}$, F$_{T,i}/\Lambda {}^{4}$
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${{\mathit W}^{-}}$ modes are charge conjugates of the modes below.
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Mode |
Fraction ($\Gamma_i$ / $\Gamma$) |
Scale Factor/ Conf. Level |
P (MeV/c) |
$\Gamma_{1}$ | ${{\mathit \ell}^{+}}{{\mathit \nu}}$ | [1] |
$(10.86\pm{0.09})\%$
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| $\Gamma_{2}$ | ${{\mathit e}^{+}}{{\mathit \nu}}$ | |
$(10.71\pm{0.16})\%$
| | 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 | |
$(67.41\pm{0.27})\%$
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| $\Gamma_{6}$ | ${{\mathit \pi}^{+}}{{\mathit \gamma}}$ | |
$<7\times 10^{-6}$
| CL=95% | 40184 |
| $\Gamma_{7}$ | ${{\mathit D}_{{{s}}}^{+}}{{\mathit \gamma}}$ | |
$<6\times 10^{-4}$
| CL=95% | 40160 |
| $\Gamma_{8}$ | ${{\mathit c}}$ X | |
$(33.3\pm{2.6})\%$
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| $\Gamma_{9}$ | ${{\mathit c}}{{\overline{\mathit s}}}$ | |
$(31^{+13}_{-11})\%$
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| $\Gamma_{10}$ | invisible | [2] |
$(1.4\pm{2.9})\%$
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| $\Gamma_{11}$ | ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ | |
$<1.01\times 10^{-6}$
| CL=95% | 40184 |
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