New constraints on a light spinless particle coupled to photons


Autoria(s): Massó i Soler, Eduard, 1954-; Toldrà Sabaté, Ramon
Contribuinte(s)

Universitat de Barcelona

Data(s)

11/05/2010

Resumo

We obtain new stringent constraints on a light spinless particle f coupled only to photons at low energies, considering its effects on the extragalactic photon background, the black-body spectrum of the cosmic microwave background radiation and the cosmological abundance of deuterium.

Identificador

http://hdl.handle.net/2445/12354

Idioma(s)

eng

Publicador

The American Physical Society

Direitos

(c) The American Physical Society, 1997

info:eu-repo/semantics/openAccess

Palavras-Chave #Partícules (Física nuclear) #Astronomia #Astrofísica #Sistemes estelars #Particles (Nuclear physics) #Astronomy #Astrophysics
Tipo

info:eu-repo/semantics/article