FROM TH2F
constant
12.199656127932467+-0.4547239081074395
chi2/ndof = 23.820479814254977
plane
-10.151301552890185+-2.3235575368615704
invpt slope = -11.335377173836795+-0.6396236338145099
theta slope = 53.02784182624363+-2.1721605118718275
chi2/ndof = 9.171772673988668
from tgraph2D
constant
40.74365450299099+-3.7376812358285942
chi2/ndof = 908.0669670674042
plane
40.20416511292289+-15.787356655361025
invpt slope = -19.555182027928254+-2.509894411325876
theta slope = 28.242988964897627+-13.805871010387767
chi2/ndof = 443.5276553084356