000061665 001__ 61665 000061665 005__ 20230926093527.0 000061665 0247_ $$2doi$$a10.1038/nphys4109 000061665 0248_ $$2sideral$$a99695 000061665 037__ $$aART-2017-99695 000061665 041__ $$aeng 000061665 100__ $$aAnastassopoulos, V. 000061665 245__ $$aNew CAST limit on the axion-photon interaction 000061665 260__ $$c2017 000061665 5060_ $$aAccess copy available to the general public$$fUnrestricted 000061665 5203_ $$aHypothetical low-mass particles, such as axions, provide a compelling explanation for the dark matter in the universe. Such particles are expected to emerge abundantly from the hot interior of stars. To test this prediction, the CERN Axion Solar Telescope (CAST) uses a 9 T refurbished Large Hadron Collider test magnet directed towards the Sun. In the strong magnetic field, solar axions can be converted to X-ray photons which can be recorded by X-ray detectors. In the 2013-2015 run, thanks to low-background detectors and a new X-ray telescope, the signal-to-noise ratio was increased by about a factor of three. Here, we report the best limit on the axion-photon coupling strength (0.66 × 10 -10 GeV -1 at 95% confidence level) set by CAST, which now reaches similar levels to the most restrictive astrophysical bounds. 000061665 536__ $$9info:eu-repo/grantAgreement/ES/MINECO/FPA2013-41085-P$$9info:eu-repo/grantAgreement/ES/MINECO-FEDER/FPA2011-24058$$9info:eu-repo/grantAgreement/EC/FP7/ 240054/EU/Novel Developments in Time Projection Chambers (TPCs) for Rare Event Searches in Underground Astroparticle EXperiments/TREX 000061665 540__ $$9info:eu-repo/semantics/openAccess$$aby$$uhttp://creativecommons.org/licenses/by/3.0/es/ 000061665 590__ $$a22.727$$b2017 000061665 591__ $$aPHYSICS, MULTIDISCIPLINARY$$b2 / 78 = 0.026$$c2017$$dQ1$$eT1 000061665 592__ $$a9.791$$b2017 000061665 593__ $$aPhysics and Astronomy (miscellaneous)$$c2017$$dQ1 000061665 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion 000061665 700__ $$aAune, S. 000061665 700__ $$aBarth, K. 000061665 700__ $$aBelov, A. 000061665 700__ $$aBräuninger, H. 000061665 700__ $$aCantatore, G. 000061665 700__ $$0(orcid)0000-0003-2264-2306$$aCarmona, J.M.$$uUniversidad de Zaragoza 000061665 700__ $$0(orcid)0000-0003-3532-7540$$aCastel, J.F.$$uUniversidad de Zaragoza 000061665 700__ $$aCetin, S.A. 000061665 700__ $$aChristensen, F. 000061665 700__ $$aCollar, J.I. 000061665 700__ $$0(orcid)0000-0002-8921-910X$$aDafni, T.$$uUniversidad de Zaragoza 000061665 700__ $$aDavenport, M. 000061665 700__ $$aDecker, T.A. 000061665 700__ $$aDermenev, A. 000061665 700__ $$aDesch, K. 000061665 700__ $$aEleftheriadis, C. 000061665 700__ $$aFanourakis, G. 000061665 700__ $$aFerrer-Ribas, E. 000061665 700__ $$aFischer, H. 000061665 700__ $$0(orcid)0000-0002-7399-7353$$aGarcía, J.A. 000061665 700__ $$aGardikiotis, A. 000061665 700__ $$0(orcid)0000-0003-0800-1588$$aGarza, J.G. 000061665 700__ $$aGazis, E.N. 000061665 700__ $$aGeralis, T. 000061665 700__ $$aGiomataris, I. 000061665 700__ $$aGninenko, S. 000061665 700__ $$aHailey, C.J. 000061665 700__ $$aHasinoff, M.D. 000061665 700__ $$aHoffmann, D.H.H. 000061665 700__ $$0(orcid)0000-0001-6327-9369$$aIguaz, F.J.$$uUniversidad de Zaragoza 000061665 700__ $$0(orcid)0000-0003-1163-1687$$aIrastorza, I.G.$$uUniversidad de Zaragoza 000061665 700__ $$aJakobsen, A. 000061665 700__ $$aJacoby, J. 000061665 700__ $$aJakovcic, K. 000061665 700__ $$aKaminski, J. 000061665 700__ $$aKaruza, M. 000061665 700__ $$aKralj, N. 000061665 700__ $$aKrcmar, M. 000061665 700__ $$aKostoglou, S. 000061665 700__ $$aKrieger , Ch. 000061665 700__ $$aLakic, B. 000061665 700__ $$aLaurent, J.M. 000061665 700__ $$aLiolios, A. 000061665 700__ $$aLjubicic, A. 000061665 700__ $$0(orcid)0000-0002-5352-1884$$aLuzón, G.$$uUniversidad de Zaragoza 000061665 700__ $$aMaroudas, M. 000061665 700__ $$aMiceli, L. 000061665 700__ $$aNeff, S. 000061665 700__ $$aOrtega, I. 000061665 700__ $$aPapaevangelou, T. 000061665 700__ $$aParaschou, K. 000061665 700__ $$aPivovaroff, M.J. 000061665 700__ $$aRaffelt, G. 000061665 700__ $$aRosu, M. 000061665 700__ $$0(orcid)0000-0002-3253-7027$$aRuz, J. 000061665 700__ $$aChóliz, E.R. 000061665 700__ $$aSavvidis, I. 000061665 700__ $$aSchmidt, S. 000061665 700__ $$aSemertzidis, Y.K. 000061665 700__ $$aSolanki, S.K. 000061665 700__ $$aStewart, L. 000061665 700__ $$aVafeiadis, T. 000061665 700__ $$aVogel, J.K. 000061665 700__ $$aYildiz, S.C. 000061665 700__ $$aZioutas, K. 000061665 7102_ $$12004$$2X$$aUniversidad de Zaragoza$$bDpto. Física Teórica$$cProy. investigación HCA 000061665 7102_ $$12004$$2390$$aUniversidad de Zaragoza$$bDpto. Física Teórica$$cÁrea Física Atóm.Molec.y Nucl. 000061665 773__ $$g13, 6 (2017), 584-590$$pNat. Phys.$$tNature Physics$$x1745-2473 000061665 8564_ $$s598184$$uhttps://zaguan.unizar.es/record/61665/files/texto_completo.pdf$$yVersión publicada 000061665 8564_ $$s140833$$uhttps://zaguan.unizar.es/record/61665/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada 000061665 909CO $$ooai:zaguan.unizar.es:61665$$particulos$$pdriver 000061665 951__ $$a2023-09-26-09:29:36 000061665 980__ $$aARTICLE