FROM TH2F
constant
0.027069384280480027+-0.02040715721287556
chi2/ndof = 0.014745647395106923
plane
0.009950261404684036+-0.10790719811178197
invpt slope = 0.016375747685780526+-0.024105144512238802
theta slope = -0.0002001780548886666+-0.09429621578568843
chi2/ndof = 0.007777038133451563
from tgraph2D
constant
0.03752681122942442+-0.003161443985966197
chi2/ndof = 0.0007296151495982694
plane
0.010456522470969027+-0.010016887529844351
invpt slope = 0.020875490190868012+-0.002190658563723834
theta slope = -0.00021919413232287513+-0.008713770028527634
chi2/ndof = 0.0003269554488828122