2.10 Simplified fit
The fit formula
\[ \begin{cases} r_{AWI}=P[2] (\eta- \eta_{cr}) +P[3] (m_0-m_{cr}) \\ m_{PCAC}= +P[5] (m_0-m_{cr}) + P[7] \mu\,. \end{cases} \] In the above fit we are treating \(\eta_{cr}\) and \(m_{cr}\) as fits parameters, so \[ \eta_{cr}=P[0]\\ m_{cr}=P[1] \]
\[\begin{gather} \chi^2/d.o.f.=0.393119 \\ P[0]=-1.41495\pm (0.045) \\ P[1]=-0.0410616\pm (0.00061) \\ P[2]=1.5925\pm (0.16) \\ P[3]=-36.9979\pm (13) \\ P[4]=1.53184\pm (0.04) \\ P[5]=-0.167479\pm (0.025) \\ \end{gather}\] {\[\begin{gather} C=\begin{pmatrix} 1& 0.0129& 0.00288& 0.0107& 0.00848& 0.000667\\ 0.0129& 1& -3.2e-05& 6.65e-06& 0.000213& 0.000101\\ 0.00288& -3.2e-05& 1& -0.0774& -0.00139& 0.022\\ 0.0107& 6.65e-06& -0.0774& 1& 2.74& 0.3\\ 0.00848& 0.000213& -0.00139& 2.74& 1& -0.0148\\ 0.000667& 0.000101& 0.022& 0.3& -0.0148& 1\\ \end{pmatrix} \end{gather}\]}