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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/12354
New constraints on a light spinless particle coupled to photons
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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.
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MASSÓ I SOLER, Eduard and TOLDRÀ SABATÉ, Ramon. New constraints on a light spinless particle coupled to photons. Physical Review D. 1997. Vol. 55, num. 12, pags. 7967-7969. ISSN 0556-2821. [consulted: 8 of June of 2026]. Available at: https://hdl.handle.net/2445/12354