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\title{\boldmath{ ${D'}_{s1}^+$}\ \ \ \ \ \ \ $****$}
\maketitle
This state has been observed and the mass measured. A number of decay modes have been observed but only the ratio of the
two $D^*K$ modes has been measured. We assume that these are the only modes and use the value
\begin{equation}
\frac{\Gamma(D^{*0}K^+)}{\Gamma(D^{*+}K^0)} = 1.27
\end{equation}
  whereas EvtGen assumes the two modes have the same branching ratio.

  It must be noted that due to our convention that the lighter pseudovector state is assigned to the $1^1P_1$ multiplet this is not the same assignment of PDG code as in \cite{Eidelman:2004wy}  which reverses this and the state we assign to the $1^1P_1$ mulitplet, this is however the same as EvtGen.

  The width has not been measured and is taken from the theoretical result of \cite{DiPierro:2001uu}  which is slightly lower than the EvtGen value. The ${D'}_{s1}^+$ is allowed to be off-shell by ten times the width.
The ${D'}_{s1}^+$ has mass $2535.35$~MeV and is unstable. The ${D'}_{s1}^+$ has spin $1$, charge $1$ and is colour neutral.
 The ${D'}_{s1}^+$ is a meson and is from the $1^3P_1$ multiplet.The ${D'}_{s1}^+$ has width $1.3$~MeV. The lower limit on the mass of the particle is $13$~MeV and the upper limit is $13$~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 20433.
\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 ${D'}_{s1}^+$ (continues).}
\endfoot
\caption{The decay modes of the ${D'}_{s1}^+$.}
\endlastfoot
\label{tab:20433decaymodes}
0.559471 & $*****$ & on & $ D^{*0}(2007), K^+ $  & Only type of decay mode for ${D'}_{s1}^+$ with the ratio of the two modes given by above.   & Herwig::PVectorMesonVectorPScalar::PVectorVP \\ 
\hline
0.440529 & $*****$ & on & $ D^{*+}(2010), K^0 $  & Only type of decay mode for ${D'}_{s1}^+$ with the ratio of the two modes given above.   & Herwig::PVectorMesonVectorPScalar::PVectorVP \\ 
\hline
\end{longtable}The ${D'}_{s1}^+$ decay modes are given in Table~\ref{tab:20433decaymodes} and the total branching ratio is $1$.


The mass generator is \verb|D'_s1+mass| for the ${D'}_{s1}^+$.
The width generator is \verb|D'_s1+width| for the ${D'}_{s1}^+$.

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 The particle was checked by Peter Richardson at 11:44:14 on the 15th of April 2007. The most recently changed decay mode was modified at 16:49:53 on the 21st of July 2005. The particle data was last modified at 16:24:39 on the 10th of October 2006.

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