CAMB : effective number of neutrinos

Use of Cobaya. camb, CLASS, cosmomc, compilers, etc.
Post Reply
Frederic Vincent
Posts: 4
Joined: July 26 2007
Affiliation: Institut d'Astrophysique de Paris

CAMB : effective number of neutrinos

Post by Frederic Vincent » July 27 2007

Hi,

I woud like to vary the effective number of neutrinos from 2 to 4. But CAMB doesn't run when the variable massless_neutrinos becomes greater than 3.1
Is this normal? I've fixed massive_neutrinos to 3.0 and I vary massless_neutrinos from 2 to 4.

Thanks,

Frederic

Antony Lewis
Posts: 1941
Joined: September 23 2004
Affiliation: University of Sussex
Contact:

Re: CAMB : effective number of neutrinos

Post by Antony Lewis » July 27 2007

Yes, edit CAMB_ValidateParams in camb.f90.

Post Reply