GAUGE AND HIGGS BOSONS
INSPIRE search

${{\boldsymbol Z}}$ $J$ = $1$ 

See related reviews:
${{\mathit Z}}$ Boson
Anomalous ${{\mathit Z}}{{\mathit Z}}{{\mathit \gamma}}$ , ${{\mathit Z}}{{\mathit \gamma}}{{\mathit \gamma}}$ , and ${{\mathit Z}}{{\mathit Z}}{{\mathit V}}$ Couplings
Anomalous ${{\mathit W}}/{{\mathit Z}}$ Quartic Couplings (QGCs)
${{\mathit Z}}$ MASS   $91.1876 \pm0.0021$ GeV 
${{\mathit Z}}$ WIDTH   $2.4952 \pm0.0023$ GeV 
${{\mathit Z}}$ HADRONIC POLE CROSS SECTION   $41.541 \pm0.037$ nb 
CHARGE ASYMMETRY IN ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit q}}{{\overline{\mathit q}}}$
CHARGE ASYMMETRY IN ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$
ANOMALOUS ${{\boldsymbol W}}/{{\boldsymbol Z}}$ QUARTIC COUPLINGS
$\mathit a_{0}/\Lambda {}^{2}$, $\mathit a_{{{\mathit c}}}/\Lambda {}^{2}$
$\Gamma_{1}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ [1] $(3.3632 \pm{0.0042 )\%}$ 45594
$\Gamma_{2}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ [1] $(3.3662 \pm{0.0066 )\%}$ 45594
$\Gamma_{3}$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ [1] $(3.3696 \pm{0.0083 )\%}$ 45559
$\Gamma_{4}$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ [2][1] $(3.3658 \pm{0.0023 )\%}$
$\Gamma_{5}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$  45593
$\Gamma_{6}$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ [3] $(4.63\pm{0.21})\times 10^{-6}$ 45594
$\Gamma_{7}$ invisible [1] $(20.000 \pm{0.055 )\%}$
$\Gamma_{8}$ hadrons [1] $(69.911 \pm{0.056 )\%}$
$\Gamma_{9}$ (${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit u}}}$ + ${\mathit {\mathit c}}$ ${\mathit {\overline{\mathit c}}}$)/2  $(11.6\pm{0.6})\%$
$\Gamma_{10}$ (${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit d}}}$ + ${\mathit {\mathit s}}$ ${\mathit {\overline{\mathit s}}}$ + ${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$)/3  $(15.6\pm{0.4})\%$
$\Gamma_{11}$ ${\mathit {\mathit c}}$ ${\mathit {\overline{\mathit c}}}$  $(12.03\pm{0.21})\%$
$\Gamma_{12}$ ${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$  $(15.12\pm{0.05})\%$
$\Gamma_{13}$ ${{\mathit b}}{{\overline{\mathit b}}}{{\mathit b}}{{\overline{\mathit b}}}$  $(3.6\pm{1.3})\times 10^{-4}$
$\Gamma_{14}$ ${{\mathit g}}{{\mathit g}}{{\mathit g}}$  $<1.1\%$ CL=95%
$\Gamma_{15}$ ${{\mathit \pi}^{0}}{{\mathit \gamma}}$  $<2.01\times 10^{-5}$ CL=95%45594
$\Gamma_{16}$ ${{\mathit \eta}}{{\mathit \gamma}}$  $<5.1\times 10^{-5}$ CL=95%45592
$\Gamma_{17}$ ${{\mathit \rho}^{0}}{{\mathit \gamma}}$  $<2.5\times 10^{-5}$ CL=95%45591
$\Gamma_{18}$ ${{\mathit \omega}}{{\mathit \gamma}}$  $<6.5\times 10^{-4}$ CL=95%45590
$\Gamma_{19}$ ${{\mathit \eta}^{\,'}{(958)}}{{\mathit \gamma}}$  $<4.2\times 10^{-5}$ CL=95%45589
$\Gamma_{20}$ ${{\mathit \phi}}{{\mathit \gamma}}$  $<9\times 10^{-7}$ CL=95%45588
$\Gamma_{21}$ ${{\mathit \gamma}}{{\mathit \gamma}}$  $<1.46\times 10^{-5}$ CL=95%45594
$\Gamma_{22}$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$  $<1.52\times 10^{-5}$ CL=95%45594
$\Gamma_{23}$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \gamma}}$  $<2.2\times 10^{-6}$ CL=95%45594
$\Gamma_{24}$ ${{\mathit \pi}^{\pm}}{{\mathit W}^{\mp}}$ [4] $<7\times 10^{-5}$ CL=95%10167
$\Gamma_{25}$ ${{\mathit \rho}^{\pm}}{{\mathit W}^{\mp}}$ [4] $<8.3\times 10^{-5}$ CL=95%10142
$\Gamma_{26}$ ${{\mathit J / \psi}{(1S)}}$ X  $(3.51^{+0.23}_{-0.25})\times 10^{-3}$ S=1.1 
$\Gamma_{27}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \gamma}}$  $<1.4\times 10^{-6}$ CL=95%45541
$\Gamma_{28}$ ${{\mathit \psi}{(2S)}}$ X  $(1.60\pm{0.29})\times 10^{-3}$
$\Gamma_{29}$ ${{\mathit \psi}{(2S)}}{{\mathit \gamma}}$  $<4.5\times 10^{-6}$ CL=95%45519
$\Gamma_{30}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$  45541
$\Gamma_{31}$ ${{\mathit J / \psi}{(1S)}}{{\mathit J / \psi}{(1S)}}$  $<2.2\times 10^{-6}$ CL=95%45489
$\Gamma_{32}$ ${{\mathit \chi}_{{c1}}{(1P)}}$ X  $(2.9\pm{0.7})\times 10^{-3}$
$\Gamma_{33}$ ${{\mathit \chi}_{{c2}}{(1P)}}$ X  $<3.2\times 10^{-3}$ CL=90%
$\Gamma_{34}$ ${{\mathit \Upsilon}{(1S)}}$ X +${{\mathit \Upsilon}{(2S)}}$ X +${{\mathit \Upsilon}{(3S)}}$ X  $(1.0\pm{0.5})\times 10^{-4}$
$\Gamma_{35}$ ${{\mathit \Upsilon}{(1S)}}$ X  $<3.4\times 10^{-6}$ CL=95%
$\Gamma_{36}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$  $<2.8\times 10^{-6}$ CL=95%45103
$\Gamma_{37}$ ${{\mathit \Upsilon}{(2S)}}$ X  $<6.5\times 10^{-6}$ CL=95%
$\Gamma_{38}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}$  $<1.7\times 10^{-6}$ CL=95%45043
$\Gamma_{39}$ ${{\mathit \Upsilon}{(3S)}}$ X  $<5.4\times 10^{-6}$ CL=95%
$\Gamma_{40}$ ${{\mathit \Upsilon}{(3S)}}{{\mathit \gamma}}$  $<4.8\times 10^{-6}$ CL=95%45006
$\Gamma_{41}$ ${{\mathit \Upsilon}{(1,2,3S)}}{{\mathit \Upsilon}{(1,2,3S)}}$  $<1.5\times 10^{-6}$ CL=95%
$\Gamma_{42}$ ( ${{\mathit D}^{0}}$ /${{\overline{\mathit D}}^{0}}$) X  $(20.7\pm{2.0})\%$
$\Gamma_{43}$ ${{\mathit D}^{\pm}}$ X  $(12.2\pm{1.7})\%$
$\Gamma_{44}$ ${{\mathit D}^{*}{(2010)}^{\pm}}$ X [4] $(11.4\pm{1.3})\%$
$\Gamma_{45}$ ${{\mathit D}_{{s1}}{(2536)}^{\pm}}$ X  $(3.6\pm{0.8})\times 10^{-3}$
$\Gamma_{46}$ ${{\mathit D}_{{sJ}}{(2573)}^{\pm}}$ X  $(5.8\pm{2.2})\times 10^{-3}$
$\Gamma_{47}$ ${{\mathit D}^{*'}{(2629)}^{\pm}}$ X  searched for
$\Gamma_{48}$ ${{\mathit B}}$ X 
$\Gamma_{49}$ ${{\mathit B}^{*}}$ X 
$\Gamma_{50}$ ${{\mathit B}^{+}}$ X [5] $(6.08\pm{0.13})\%$
$\Gamma_{51}$ ${{\mathit B}_{{s}}^{0}}$ X [5] $(1.59\pm{0.13})\%$
$\Gamma_{52}$ ${{\mathit B}_{{c}}^{+}}$ X  searched for
$\Gamma_{53}$ ${{\mathit \Lambda}_{{c}}^{+}}$ X  $(1.54\pm{0.33})\%$
$\Gamma_{54}$ ${{\mathit \Xi}_{{c}}^{0}}$ X  seen
$\Gamma_{55}$ ${{\mathit \Xi}_{{b}}}$ X  seen
$\Gamma_{56}$ ${{\mathit b}}$ -baryon X [5] $(1.38\pm{0.22})\%$
$\Gamma_{57}$ anomalous ${{\mathit \gamma}}$ + hadrons [6] $<3.2\times 10^{-3}$ CL=95%
$\Gamma_{58}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \gamma}}$ [6] $<5.2\times 10^{-4}$ CL=95%45594
$\Gamma_{59}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$ [6] $<5.6\times 10^{-4}$ CL=95%45594
$\Gamma_{60}$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}{{\mathit \gamma}}$ [6] $<7.3\times 10^{-4}$ CL=95%45559
$\Gamma_{61}$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \gamma}}{{\mathit \gamma}}$ [7] $<6.8\times 10^{-6}$ CL=95%
$\Gamma_{62}$ ${{\mathit q}}{{\overline{\mathit q}}}{{\mathit \gamma}}{{\mathit \gamma}}$ [7] $<5.5\times 10^{-6}$ CL=95%
$\Gamma_{63}$ ${{\mathit \nu}}{{\overline{\mathit \nu}}}{{\mathit \gamma}}{{\mathit \gamma}}$ [7] $<3.1\times 10^{-6}$ CL=95%45594
$\Gamma_{64}$ ${{\mathit e}^{\pm}}{{\mathit \mu}^{\mp}}$ [4] $<7.5\times 10^{-7}$ CL=95%45594
$\Gamma_{65}$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}$ [4] $<9.8\times 10^{-6}$ CL=95%45576
$\Gamma_{66}$ ${{\mathit \mu}^{\pm}}{{\mathit \tau}^{\mp}}$ [4] $<1.2\times 10^{-5}$ CL=95%45576
$\Gamma_{67}$ ${{\mathit p}}{{\mathit e}}$  $<1.8\times 10^{-6}$ CL=95%45589
$\Gamma_{68}$ ${{\mathit p}}{{\mathit \mu}}$  $<1.8\times 10^{-6}$ CL=95%45589