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000408339 0247_ $$2datacite_doi$$a10.3204/DESY-PROC-2013-04/roncadelli_marco
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000408339 1001_ $$0P:(DE-HGF)0$$aRoncadelli, M.$$b0$$eCorresponding author
000408339 1112_ $$0C13-06-24.5$$2inspire$$a9th Patras Workshop on Axions, WIMPs and WISPs$$cMainz$$d2013-06-24 - 2013-06-28$$gAXION-WIMP 2013$$wGermany
000408339 245__ $$aVery-high-energy quasars hint at ALPs
000408339 260__ $$aHamburg$$bVerlag Deutsches Elektronen-Synchrotron$$c2013
000408339 29510 $$aRoncadelli, M. "Very-high-energy quasars hint at ALPs" in Proceedings, 9th Patras Workshop on Axions, WIMPs and WISPs (AXION-WIMP 2013) / Oberlack, Uwe, Sissol, Pierre (eds.), 2013 ; AXION-WIMP 2013 : 9th Patras Workshop on Axions, WIMPs and WISPs , 2013-06-23 - 2013-06-28, Mainz
000408339 300__ $$a89-92
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000408339 520__ $$aOne of the mysteries of very-high-energy (VHE) astrophysics is the observatio of flat spectrum radio quasars (FSRQs) above about 30 GeV, because at those energies their broad line region should prevent photons produced by the central engine to escape. Although a few astrophysical explanations have been put forward, they are totally ad hoc. We show that a natural explanation emerges within the conventional models of FSRQs provided that photon-ALP oscillations take place inside the source for the model parameters within an allowed range.
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000408339 7001_ $$0P:(DE-HGF)0$$aGalanti, G.$$b1
000408339 7001_ $$0P:(DE-HGF)0$$aTavecchio, F.$$b2
000408339 7001_ $$0P:(DE-HGF)0$$aBonnoli, G.$$b3
000408339 7870_ $$0PUBDB-2015-05816$$aOberlack, Uwe et. al.$$iisPartOf$$rDESY-PROC-2013-04$$tProceedings, 9th Patras Workshop on Axions, WIMPs and WISPs (AXION-WIMP 2013)
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