The Micromegas detector of the CAST experiment
P. Abbon, S. Andriamonje, S. Aune, T. Dafni, M. Davenport, E. Delagnes, R. de Oliveira, G. Fanourakis, E. Ferrer Ribas, J. Franz, T. Geralis, M. Gros, Y. Giomataris, I. G. Irastorza, K. Kousouris, J. Morales, T. Papaevangelou, J. Ruz, K. Zachariadou, K. Zioutas
Abstract
A low background Micromegas detector has been operating in the CAST experiment at CERN for the search of solar axions during the first phase of the experiment (2002-2004). The detector, made out of low radioactivity materials, operated efficiently and achieved a very low level of background rejection (5 x 10-5 counts/keV/cm2/s) without shielding.
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