FROM TH2F
constant
0.021714213547472744+-0.023596073959640494
chi2/ndof = 0.010321562994909035
plane
0.010144142187352365+-0.18455602264108142
invpt slope = 0.014680252572464358+-0.03156058685424582
theta slope = -0.001797793545830882+-0.16269306348143725
chi2/ndof = 0.00484433143373982
from tgraph2D
constant
0.028100182499601993+-0.002897507168551497
chi2/ndof = 0.00037779965062978047
plane
-0.014407571627085251+-0.015411896740518112
invpt slope = 0.014208572366693914+-0.0024771338819329636
theta slope = 0.023610887675925327+-0.013480938722447927
chi2/ndof = 0.0002068065680634634