R=1.0 b=2.0+0.05
R=0.9 b=1.8+0.05
R=0.6 b=1.2+0.05
R=0.4 b=0.80+0.05
b=3.0+0.03
b=2.5+0.03
b=2.0+0.03
b=1.7+0.03
b=1.5+0.03
b=1.4+0.03
b=1.2+0.03
b=1.0+0.03
b=0.93+0.03
b=0.83+0.03
b=0.73+0.03