First results from the CERN axion solar telescope (CROSBI ID 113308)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Zioutas, K. ; Andriamonje, S. ; Arsov, V. ; Aune, S. ; Autiero, D. ; Avignone, F.T. ; Barth, K. ; Belov, A. ; Beltran, B. ; Braeuninger, H. ; Carmona, J.M. ; Cebrian, S. ; Chesi, E. ; Collar, J.I. ; Creswick, R. ; Dafni, T. ; Davenport, M. ; Di Lela, L. ; Eleftheriadis, C. ; Englhauser, J. ; Fanourakis, G. ; Farach, H. ; Ferrer, E. ; Fischer, H. ; Franz, J. ; Friedrich, P. ; Geralis, T. ; Giomataris, I. ; Gninenko, S. ; Goloubev, N. ; Hasinoff, M.D. ; Heinsius, F.H. ; Hoffmann, D.H.H. ; Irastorza, I.G. ; Jacoby, J. ; Kang, D. ; Koenigsmann, K. ; Kotthaus, R. ; Krčmar, Milica ; Kousouris, K. ; Kuster, M. ; Lakić, Biljana ; Lasseur, C. ; Liolios, A. ; Ljubičić, Ante ; Lutz, G. ; Luzon, G. ; Miller, D.W. ; Morales, A. ; Morales, J. ; Mutterer, M. ; Nikolaidis, A. ; Ortiz, A. ; Papaevangelou, T. ; Placci, A. ; Raffelt, G. ; Ruz, J. ; Riege, H. ; Sarsa, M.L. ; Savvidis, I. ; Serber, W. ; Serpico, P. ; Semertzidis, Y. ; Stewart, L. ; Vieira, J.D. ; Villar, J. ; Walckiers, L. ; Zachariadou, K.
engleski
First results from the CERN axion solar telescope
Hypothetical axionlike particles with a two-photon interaction would be produced in the sun by the Primakoff process. In a laboratory magnetic field ("axion helioscope"), they would be transformed into xrays with energies of a few keV. Using a decommissioned Large Hadron Collider test magnet, the CERN Axion Solar Telescope ran for about 6 months during 2003. The first results from the analysis of these data are presented here. No signal above background was observed, implying an upper limit to the axionphoton coupling g_agamma < 1.16x 10^-10 GeV^-1 at 95% C.L. for m_a approx. 0:02 eV. This limit, assumption-free, is comparable to the limit from stellar energy-loss arguments and considerably more restrictive than any previous experiment over a broad range of axion masses.
axions; solar telescope; LHC
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