FROM TH2F
constant
0.023618196512123213+-0.01629027300043687
chi2/ndof = 0.017593934223739466
plane
0.07024982439676372+-0.10342350268506166
invpt slope = 0.009668573978149011+-0.012978424599952663
theta slope = -0.05130847276126346+-0.08117899208411634
chi2/ndof = 0.005231771278196819
from tgraph2D
constant
0.0389077500320402+-0.0031707655931746685
chi2/ndof = 0.0009450529179736001
plane
0.09864902319635001+-0.01021257394332817
invpt slope = 0.011475109046045054+-0.0014543185965087539
theta slope = -0.07623929566241876+-0.008289368023854753
chi2/ndof = 0.00034198620739192684