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\title{\boldmath{ $B^-_1$}\ \ \ \ \ \ \ $**$}
\maketitle
The $B^-_1$ is $d\bar{b}$ member of the lightest pesudovector multiplet. There have been recent claims of the observation of this particle by both CDF and D0, although with different masses. We have chosen to use the D0 result of \cite{Abazov:2007vq} . We take the width below the experimental resolution of \cite{Abazov:2007vq}  and branching ratios from \cite{DiPierro:2001uu} , rescaled to our values of the particle masses, which gives only a decay to $B^*\pi$ for this state. The $B^-_1$ is allowed by be off-shell by ten times the width.
The $B^-_1$ has mass $5720.6$~MeV and is unstable. The $B^-_1$ has spin $1$, charge $-1$ and is colour neutral.
 The $B^-_1$ is a meson and is from the $1^1P_1$ multiplet.The $B^-_1$ has width $10$~MeV. The lower limit on the mass of the particle is $100$~MeV and the upper limit is $100$~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 -10523.
\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 $B^-_1$ (continues).}
\endfoot
\caption{The decay modes of the $B^-_1$.}
\endlastfoot
\label{tab:-10523decaymodes}
0.666667 & $**$ & on & $ \bar{B}^{*0}, \pi^- $  & Decay of $B^-_1$ to $B^*\pi$ which we assume is the only type of mode with the relative rates of the two modes given by isospin.   & Herwig::PVectorMesonVectorPScalar::PVectorVP \\ 
\hline
0.333333 & $**$ & on & $ B^{*-}, \pi^0 $  & Decay of $B^-_1$ to $B^*\pi$ which we assume is the only type of mode with the relative rates of the two modes given by isospin.   & Herwig::PVectorMesonVectorPScalar::PVectorVP \\ 
\hline
\end{longtable}The $B^-_1$ decay modes are given in Table~\ref{tab:-10523decaymodes} and the total branching ratio is $1$.


The mass generator is \verb|B_1+mass| for the $B^-_1$.
The width generator is \verb|B_1+width| for the $B^-_1$.

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 The particle was checked by Peter Richardson at 18:30:30 on the 9th of August 2007. The most recently changed decay mode was modified at 11:48:56 on the 25th of July 2005. The particle data was last modified at 11:1:49 on the 6th of August 2007.

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