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000483243 0247_ $$2datacite_doi$$a10.3204/PHPPUBDB-11756
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000483243 1001_ $$0P:(DE-H253)PIP1007208$$aBurrage, Clare$$b0
000483243 245__ $$aSearching for axion-like-particles in the sky.
000483243 260__ $$c2009
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000483243 520__ $$aIf dark energy couples to the fields of the standard model we can hope to detect or constrain it through non-gravitational effects. If the dark energy field couples to photons it behaves as an Axion-Like-Particle (ALP). ALPs mix with photons in the presence of magnetic fields and hence affect astronomical observations. We show that empirically established luminosity relations can be used as a new test for ALPs and that when applied to observations of active galactic nuclei this is highly suggestive of the existence of a very light ALP.
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000483243 650_7 $$2INSPIRE$$aaxion: search for
000483243 650_7 $$2INSPIRE$$afield theory: scalar
000483243 650_7 $$2INSPIRE$$aphoton axion: coupling
000483243 650_7 $$2INSPIRE$$amagnetic field
000483243 650_7 $$2INSPIRE$$aluminosity
000483243 650_7 $$2INSPIRE$$aAGN
000483243 650_7 $$2INSPIRE$$aoptics
000483243 650_7 $$2INSPIRE$$aastrophysics
000483243 650_7 $$2INSPIRE$$anumerical calculations
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000483243 7870_ $$0PHPPUBDB-11756$$aBurrage, Clare$$dAmsterdam : Elsevier, 2009$$iIsParent$$rDESY-09-080$$tSearching for axion-like-particles in the sky.
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