Improved search for solar chameleons with a GridPix detector at CAST

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dc.WoS.categoriesAstronomy & Astrophysics; Physics, Particles & Fieldsen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2021-02-24T12:37:22Z
dc.date.available2021-02-24T12:37:22Z
dc.date.issued2019-01
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractWe report on a new search for solar chameleons with the CERN Axion Solar Telescope (CAST). A GridPix detector was used to search for soft X-ray photons in the energy range from 200 eV to 10 keV from converted solar chameleons. No significant excess over the expected background has been observed in the data taken in 2014 and 2015. We set an improved limit on the chameleon photon coupling, beta(gamma) less than or similar to 5.7 x 10(10) for 1 < beta(m) < 10(6) at 95% C.L. improving our previous results by a factor two and for the first time reaching sensitivity below the solar luminosity bound for tachocline magnetic fields up to 12.5 T.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1088/1475-7516/2019/01/032en_US
dc.identifier.issn1475-7516
dc.identifier.scopus2-s2.0-85062290502en_US
dc.identifier.urihttps://hdl.handle.net/11411/3293
dc.identifier.urihttps://doi.org/10.1088/1475-7516/2019/01/032
dc.identifier.wosWOS:000456069200002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue1en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors30en_US
dc.publisherIIOP PUBLISHING LTDen_US
dc.relation.ispartofJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectdark energy experimentsen_US
dc.subjectmodified gravityen_US
dc.subjectparticle physics - cosmology connectionen_US
dc.subjectsolar physicsen_US
dc.titleImproved search for solar chameleons with a GridPix detector at CASTen_US
dc.typeArticleen_US

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