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Probing the eV-Mass range for solar axions with CAST

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dc.contributor.author Aune, S en
dc.contributor.author Barth, K en
dc.contributor.author Belov, A en
dc.contributor.author Borghi, S en
dc.contributor.author Brauninger, H en
dc.contributor.author Cantatore, G en
dc.contributor.author Carmona, JM en
dc.contributor.author Cetin, SA en
dc.contributor.author Collar, JI en
dc.contributor.author Dafni, T en
dc.contributor.author Davenport, M en
dc.contributor.author Eleftheriadis, C en
dc.contributor.author Elias, N en
dc.contributor.author Ezer, C en
dc.contributor.author Fanourakis, G en
dc.contributor.author Ferrer-Ribas, E en
dc.contributor.author Fischer, H en
dc.contributor.author Franz, J en
dc.contributor.author Friedrich, P en
dc.contributor.author Galan, J en
dc.contributor.author Gardikiotis, A en
dc.contributor.author Gazis, EN en
dc.contributor.author Geralis, T en
dc.contributor.author Giomataris, I en
dc.contributor.author Gninenko, S en
dc.contributor.author Gomez, H en
dc.contributor.author Gruber, E en
dc.contributor.author Guthorl, T en
dc.contributor.author Hartmann, R en
dc.contributor.author Haug, F en
dc.contributor.author Hasinoff, MD en
dc.contributor.author Hoffmann, DHH en
dc.contributor.author Iguaz, FJ en
dc.contributor.author Irastorza, IG en
dc.contributor.author Jacoby, J en
dc.contributor.author Jakovcic, K en
dc.contributor.author Kang, D en
dc.contributor.author Karageorgopoulou, T en
dc.contributor.author Karuza, M en
dc.contributor.author Konigsmann, K en
dc.contributor.author Kotthaus, R en
dc.contributor.author Krcmar, M en
dc.contributor.author Kousouris, K en
dc.contributor.author Kuster, M en
dc.contributor.author Lakic, B en
dc.contributor.author Lang, P en
dc.contributor.author Lasseur, C en
dc.contributor.author Laurent, JM en
dc.contributor.author Liolios, A en
dc.contributor.author Ljubicic, A en
dc.contributor.author Lozza, V en
dc.contributor.author Lutz, G en
dc.contributor.author Luzon, G en
dc.contributor.author Miller, DW en
dc.contributor.author Mirizzi, A en
dc.contributor.author Morales, J en
dc.contributor.author Niinikoski, T en
dc.contributor.author Nordt, A en
dc.contributor.author Papaevangelou, T en
dc.contributor.author Pivovaroff, MJ en
dc.contributor.author Raiteri, G en
dc.contributor.author Raffelt, G en
dc.contributor.author Rashba, T en
dc.contributor.author Riege, H en
dc.contributor.author Rodriguez, A en
dc.contributor.author Rosu, M en
dc.contributor.author Ruz, J en
dc.contributor.author Savvidis, I en
dc.contributor.author Semertzidis, Y en
dc.contributor.author Serpico, P en
dc.contributor.author Silva, PS en
dc.contributor.author Solanki, SK en
dc.contributor.author Soufli, R en
dc.contributor.author Stewart, L en
dc.contributor.author Tomas, A en
dc.contributor.author Tsagri, M en
dc.contributor.author Van Bibber, K en
dc.contributor.author Vafeiadis, T en
dc.contributor.author Villar, J en
dc.contributor.author Vogel, JK en
dc.contributor.author Walckiers, L en
dc.contributor.author Wong, YYY en
dc.contributor.author Yildiz, SC en
dc.contributor.author Zioutas, K en
dc.date.accessioned 2014-03-01T02:52:44Z
dc.date.available 2014-03-01T02:52:44Z
dc.date.issued 2010 en
dc.identifier.issn 10957863 en
dc.identifier.uri http://hdl.handle.net/123456789/36031
dc.subject.other CERN axion solar telescopes en
dc.subject.other Coupling constants en
dc.subject.other Current status en
dc.subject.other Dark matter en
dc.subject.other Gas density distribution en
dc.subject.other Helium gas en
dc.subject.other High pressure en
dc.subject.other Mass regions en
dc.subject.other Phase spaces en
dc.subject.other Second phase en
dc.subject.other Solar axions en
dc.subject.other Strong CP problem en
dc.subject.other Upper limits en
dc.subject.other X ray photons en
dc.subject.other X-ray detector en
dc.subject.other Experiments en
dc.subject.other Gamma rays en
dc.subject.other Helium en
dc.subject.other Magnetic fields en
dc.subject.other Magnets en
dc.subject.other Medical imaging en
dc.subject.other Nuclear physics en
dc.subject.other Phase space methods en
dc.subject.other Photons en
dc.subject.other Telescopes en
dc.subject.other X rays en
dc.subject.other Bosons en
dc.title Probing the eV-Mass range for solar axions with CAST en
heal.type conferenceItem en
heal.identifier.primary 10.1109/NSSMIC.2010.5873777 en
heal.identifier.secondary 5873777 en
heal.identifier.secondary http://dx.doi.org/10.1109/NSSMIC.2010.5873777 en
heal.publicationDate 2010 en
heal.abstract The CERN Axion Solar Telescope (CAST) is searching for solar axions which could be produced in the core of the Sun via the so-called Primakoff effect. Not only would these hypothetical particles solve the strong CP problem, but they are also one of the favored candidates for dark matter. In order to look for axions originating from the Sun, CAST uses a decommissioned LHC prototype magnet. In its 10 m long magnetic field region of 9 Tesla, axions could be reconverted into X-ray photons. Different X-ray detectors are installed on both ends of the magnet, which is mounted on a structure built to follow the Sun during sunrise and sunset for a total of about 3 hours per day. The analysis of the data acquired during the first phase of the experiment with vacuum in the magnetic field region yielded the most restrictive experimental upper limit on the axion-to-photon coupling constant for axion masses up to about 0.02 eV. In order to extend the sensitivity of the experiment to a wider mass range, the CAST experiment continues its search for axions with helium in the magnet bores. In this way it is possible to restore coherence of conversion for larger masses. Changing the pressure of the helium gas enables the experiment to scan different axion masses in the range of up to about 1.2 eV. Especially at high pressures, a precise knowledge of the gas density distribution is crucial to obtain accurate results. In the first part of this second phase of CAST,4He was used and the axion mass region was extended up to 0.39 eV, a part of phase space favored by axion models. In CAST's ongoing3He phase the studied mass range is now being extended further. In this contribution the final results of CAST's4He phase will be presented and the current status of the3He run will be given. This includes latest results as well as prospects of future axion experiments. © 2010 IEEE. en
heal.journalName IEEE Nuclear Science Symposium Conference Record en
dc.identifier.doi 10.1109/NSSMIC.2010.5873777 en
dc.identifier.spage 342 en
dc.identifier.epage 346 en


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