14.1 Mass

\[ E_1(\vec p=0)=M_{\infty}+P[1]\frac{e^{-M_{\infty} L}}{\sqrt{M_{\infty}L}} \] \(P[0]=M_{\infty}\)

\[\begin{gather} \chi^2/d.o.f.=1.46074 \\ P[0]=0.240302\pm (3.9e-05) \\ P[1]=0.522802\pm (0.012) \\ \end{gather}\] {\[\begin{gather} C=\begin{pmatrix} 1.52e-09& -0.897\\ -0.897& 0.000145\\ \end{pmatrix} \end{gather}\]}