Pseudoscalar sterile neutrino self-interactions in light of Planck, SPT and ACT data
We reassess the viability of a cosmological model including a fourth additional sterile neutrino species that self-interacts through a new pseudoscalar degree of freedom. To that end, we perform a series of extensive analyses fitting various combinations of cosmic microwave background (CMB) data fro...
Main Authors: | , , , , , , |
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Other Authors: | , |
Format: | Report |
Language: | English |
Published: |
HAL CCSD
2021
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Subjects: | |
Online Access: | https://hal.archives-ouvertes.fr/hal-03481828 |