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\title{\boldmath{ $n^0$}\ \ \ \ \ \ \ $*****$}
\maketitle
 The $n^0$ is the isospin partner of the proton and is stable on collider timescales.
The $n^0$ has mass $939.56536$~MeV and is stable. The $n^0$ has spin $1/2$, charge $0$ and is colour neutral.
 The $n^0$ is a baryon and is from the $(56,0^+_0)$ $40$plet.The properties of the particle and its antiparticle are taken to be charge-conjugate to each other.
 The decay length is $2.655\times10^{11}$~m. The PDG code is 2112.
 The particle is a potential beam particle.\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 $n^0$ (continues).}
\endfoot
\caption{The decay modes of the $n^0$.}
\endlastfoot
\label{tab:2112decaymodes}
1.000000 & $*****$ & on & $ p^+, e^-, \bar{\nu}_e $  & The weak decay of the neutron.   & Herwig::SemiLeptonicBaryon::BaryonLight1 \\ 
\hline
\end{longtable}The $n^0$ decay modes are given in Table~\ref{tab:2112decaymodes} and the total branching ratio is $1$.


 There is no mass generator for the $n^0$.
 There is no width generator for the $n^0$.

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 The particle was checked by Peter Richardson at 9:36:52 on the 4th of February 2009. 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 16:24:39 on the 10th of October 2006.

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