r/R   c/R     beta
0.15  0.2476  29.210
0.20  0.2652  26.737
0.25  0.2841  24.255
0.30  0.3034  22.505
0.35  0.3193  21.187
0.40  0.3353  19.917
0.45  0.3515  18.828
0.50  0.3649  17.896
0.55  0.3734  17.284
0.60  0.3806  16.874
0.65  0.3837  16.482
0.70  0.3843  16.034
0.75  0.3821  15.644
0.80  0.3741  15.206
0.85  0.3541  14.891
0.90  0.3158  15.176
0.95  0.2341  15.230
1.00  0.0532  13.154