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\title{\boldmath{ $K^{*0}(1680)$}\ \ \ \ \ \ \ $***$}
\maketitle
The $K^{*0}(1680)$ is the excited vector kaon from the D multiplet. The mass and width are measured, as are the branching ratios for the three most likely modes. The particle is allowed to be off-shell by the width.
The $K^{*0}(1680)$ has mass $1717$~MeV and is unstable. The $K^{*0}(1680)$ has spin $1$, charge $0$ and is colour neutral.
 The $K^{*0}(1680)$ is a meson and is from the $1^3D_1$ multiplet.The $K^{*0}(1680)$ has width $322$~MeV. The lower limit on the mass of the particle is $322$~MeV and the upper limit is $322$~MeV. These are the deviations from the on-shell value. The branching ratios are fixed.
The properties of the particle and its antiparticle are taken to be charge-conjugate to each other.
 The PDG code is 30313.
\setlongtables
\begin{longtable}[t]{|c|c|c|p{1in}|p{2.5in}|c|}
\hline
Branching & Rating & On/ & Outgoing  & Description & Decayer  \\ 
Ratio     &                                 & Off & Particles &             &         \\ 
\hline
\endhead
\caption{The decay modes of the $K^{*0}(1680)$ (continues).}
\endfoot
\caption{The decay modes of the $K^{*0}(1680)$.}
\endlastfoot
\label{tab:30313decaymodes}
0.258000 & $****$ & on & $ K^+, \pi^- $  & The decay of the $K^{*0}(1680)$ to $K\pi$ with branching ratio from \cite{Yao:2006px}. The relative rates for the two $K\pi$ modes is given by isospin.   & Herwig::VectorMeson2Meson::Vector2Meson \\ 
\hline
0.209333 & $****$ & on & $ K^+, \rho^- $  & The decay of the $K^{*0}(1680)$ to $K\rho$ with branching ratio from \cite{Yao:2006px}. The relative rates for the two $K\rho$ modes is given by isospin.   & Herwig::VectorMesonVectorPScalar::VectorVP \\ 
\hline
0.199333 & $****$ & on & $ K^{*+}, \pi^- $  & The decay of the $K^{*0}(1680)$ to $K^*\pi$ with branching ratio from \cite{Yao:2006px}. The relative rates for the two $K^*\pi$ modes is given by isospin.   & Herwig::VectorMesonVectorPScalar::VectorVP \\ 
\hline
0.129000 & $****$ & on & $ K^0, \pi^0 $  & The decay of the $K^{*0}(1680)$ to $K\pi$ with branching ratio from \cite{Yao:2006px}. The relative rates for the two $K\pi$ modes is given by isospin.   & Herwig::VectorMeson2Meson::Vector2Meson \\ 
\hline
0.104667 & $****$ & on & $ K^0, \rho^0 $  & The decay of the $K^{*0}(1680)$ to $K\rho$ with branching ratio from \cite{Yao:2006px}. The relative rates for the two $K\rho$ modes is given by isospin.   & Herwig::VectorMesonVectorPScalar::VectorVP \\ 
\hline
0.099667 & $****$ & on & $ K^{*0}, \pi^0 $  & The decay of the $K^{*0}(1680)$ to $K^*\pi$ with branching ratio from \cite{Yao:2006px}. The relative rates for the two $K^*\pi$ modes is given by isospin.   & Herwig::VectorMesonVectorPScalar::VectorVP \\ 
\hline
\end{longtable}The $K^{*0}(1680)$ decay modes are given in Table~\ref{tab:30313decaymodes} and the total branching ratio is $1$.


The mass generator is \verb|K''*0mass| for the $K^{*0}(1680)$.
The width generator is \verb|K''*0width| for the $K^{*0}(1680)$.

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 The particle was checked by Peter Richardson at 21:35:13 on the 20th of October 2007. The most recently changed decay mode was modified at 23:10:55 on the 3rd of April 2005. The particle data was last modified at 16:47:16 on the 7th of September 2007.

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