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${{\mathit W}}$ MASS
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$80.385 \pm0.015$ GeV
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${{\mathit W}}/{{\mathit Z}}$ MASS RATIO
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$0.88153 \pm0.00017$
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${\mathit m}_{{{\mathit Z}}}{\mathit m}_{{{\mathit W}}}$
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$10.803 \pm0.015$ GeV
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${\mathit m}_{{{\mathit W}^{+}}}{\mathit m}_{{{\mathit W}^{-}}}$
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$-0.2 \pm0.6$ 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] | $(10.86\pm0.09)\%$ | | |
| $\Gamma_{2}$ | ${{\mathit e}^{+}}{{\mathit \nu}}$ | | $(10.71\pm0.16)\%$ | | 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] | $(1.4\pm2.9)\%$ | | |
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