eta(eq) = 15.7/omhh *(T/2.7K)^2 Mpc
T       = 0.722 at k*eta(eq)=1 
q       = 0.064
delta=1 at k = 0.13 h/Mpc
sigma8=1.25
sigmaR=1, R = 10.55 Mpc/h, M_1=3.9E14
[M with Lambda 1.45E15]