The Micromegas detector of the CAST experiment

((1) DAPNIA; (2) Technische Universit\"at Darmstadt - IKP; (3) European Organization for Nuclear Research (CERN); (4) National Center for Scientific Research "Demokritos"; (5) Universit\"at Freiburg; (6) Universidad de Zaragoza; 7); (7) Gesellschaft f\"ur Schwerionenforschung - GSI); Centre d'\'Etudes Nucl\'eaires de Saclay (CEA-Saclay); E. Delagnes (1)

arxiv: physics/0702190 · v1 · submitted 2007-02-22 · ⚛️ physics.ins-det

The Micromegas detector of the CAST experiment

P. Abbon (1) , S. Andriamonje (1) , S. Aune (1) , T. Dafni (2 , 7) , M. Davenport (3) , E. Delagnes (1) , R. de Oliveira (3)

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G. Fanourakis (4) E. Ferrer Ribas (1) J. Franz (5) T. Geralis (4) M. Gros (1) Y. Giomataris (1) I.G. Irastorza (1) K. Kousouris (4) J. Morales (6) T. Papaevangelou (6) J. Ruz (6) K. Zachariadou (4) K. Zioutas (2) ((1) DAPNIA Centre d'\'Etudes Nucl\'eaires de Saclay (CEA-Saclay) (2) Technische Universit\"at Darmstadt - IKP (3) European Organization for Nuclear Research (CERN) (4) National Center for Scientific Research "Demokritos" (5) Universit\"at Freiburg (6) Universidad de Zaragoza (7) Gesellschaft f\"ur Schwerionenforschung - GSI)

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keywords detectorexperimentbackgroundcastmicromegasachievedaxionsbeen

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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/cm^2/s) without shielding.

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The Micromegas detector of the CAST experiment

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