sterile neutrino with different distribution

Use of Healpix, camb, CLASS, cosmomc, compilers, etc.
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Ravi Sharma
Posts: 1
Joined: October 02 2020
Affiliation: Institute of astropysics ,bangalore

sterile neutrino with different distribution

Post by Ravi Sharma » October 02 2020

Hello
I am searching for where is neutrino distribution is camb. I want to change it with a dat file or a polynomial fit of this dat file?
Please tell me where i can do this?
Thanking you
regards
Ravi kumar sharma

Antony Lewis
Posts: 1645
Joined: September 23 2004
Affiliation: University of Sussex
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Re: sterile neutrino with different distribution

Post by Antony Lewis » October 02 2020

The current code uses the fact that it is Fermi-Dirac, so you'd need to modify the code to support a general distribution function, and switch off approximations that rely on analytic results for Fermi-Dirac.

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