Cosmological constraint on dark photon from Neff
Crossref DOI link: https://doi.org/10.1007/JHEP04(2020)009
Published Online: 2020-04-01
Published Print: 2020-04
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Ibe, Masahiro
Kobayashi, Shin
Nakayama, Yuhei
Shirai, Satoshi
Article History
Received: 16 January 2020
Revised: 13 March 2020
Accepted: 17 March 2020
First Online: 1 April 2020