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CAST microbulk micromegas in the Canfranc Underground Laboratory

During the last taking data campaigns of the CAST experiment, the micromegas detectors have achieved background levels of $\approx 5 \times 10^{-6}$keV$^{-1}$cm$^{-2}$s$^{-1}$ between 2 and 9 keV. This performance has been possible thanks to the introduction of the microbulk technology, the implemen...

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Autores principales: Tomas, A., Aune, S., Dafni, T., Fanourakis, G., Ferrer-Ribas, E., Galán, J., García, J.A., Gardikiotis, A., Geralis, T., Giomataris, I., Gómez, H., Garza, J.G., Herrera, D.C., Iguaz, F.J., Irastorza, I.G., Luzón, G., Papaevangelou, T., Rodríguez, A., Ruz, J., Seguí, L., Vafeiadis, T., Yildiz, S.C.
Lenguaje:eng
Publicado: 2012
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.phpro.2012.02.399
http://cds.cern.ch/record/1474957
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author Tomas, A.
Aune, S.
Dafni, T.
Fanourakis, G.
Ferrer-Ribas, E.
Galán, J.
García, J.A.
Gardikiotis, A.
Geralis, T.
Giomataris, I.
Gómez, H.
Garza, J.G.
Herrera, D.C.
Iguaz, F.J.
Irastorza, I.G.
Luzón, G.
Papaevangelou, T.
Rodríguez, A.
Ruz, J.
Seguí, L.
Vafeiadis, T.
Yildiz, S.C.
author_facet Tomas, A.
Aune, S.
Dafni, T.
Fanourakis, G.
Ferrer-Ribas, E.
Galán, J.
García, J.A.
Gardikiotis, A.
Geralis, T.
Giomataris, I.
Gómez, H.
Garza, J.G.
Herrera, D.C.
Iguaz, F.J.
Irastorza, I.G.
Luzón, G.
Papaevangelou, T.
Rodríguez, A.
Ruz, J.
Seguí, L.
Vafeiadis, T.
Yildiz, S.C.
author_sort Tomas, A.
collection CERN
description During the last taking data campaigns of the CAST experiment, the micromegas detectors have achieved background levels of $\approx 5 \times 10^{-6}$keV$^{-1}$cm$^{-2}$s$^{-1}$ between 2 and 9 keV. This performance has been possible thanks to the introduction of the microbulk technology, the implementation of a shielding and the development of discrimination algorithms. It has motivated new studies towards a deeper understanding of CAST detectors background. One of the working lines includes the construction of a replica of the set-up used in CAST by micromegas detectors and its installation in the Canfranc Underground Laboratory. Thanks to the comparison between the performance of the detectors underground and at surface, shielding upgrades, etc, different contributions to the detectors background have been evaluated. In particular, an upper limit $< 2 \times 10^{-7}$keV$^{-1}$cm$^{-2}$s$^{-1}$ for the intrinsic background of the detector has been obtained. This work means a first evaluation of the potential of the newest micromegas technology in an underground laboratory, the most suitable environment for Rare Event Searches.
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2012
record_format invenio
spelling cern-14749572023-03-14T19:42:53Zdoi:10.1016/j.phpro.2012.02.399http://cds.cern.ch/record/1474957engTomas, A.Aune, S.Dafni, T.Fanourakis, G.Ferrer-Ribas, E.Galán, J.García, J.A.Gardikiotis, A.Geralis, T.Giomataris, I.Gómez, H.Garza, J.G.Herrera, D.C.Iguaz, F.J.Irastorza, I.G.Luzón, G.Papaevangelou, T.Rodríguez, A.Ruz, J.Seguí, L.Vafeiadis, T.Yildiz, S.C.CAST microbulk micromegas in the Canfranc Underground LaboratoryDetectors and Experimental TechniquesDuring the last taking data campaigns of the CAST experiment, the micromegas detectors have achieved background levels of $\approx 5 \times 10^{-6}$keV$^{-1}$cm$^{-2}$s$^{-1}$ between 2 and 9 keV. This performance has been possible thanks to the introduction of the microbulk technology, the implementation of a shielding and the development of discrimination algorithms. It has motivated new studies towards a deeper understanding of CAST detectors background. One of the working lines includes the construction of a replica of the set-up used in CAST by micromegas detectors and its installation in the Canfranc Underground Laboratory. Thanks to the comparison between the performance of the detectors underground and at surface, shielding upgrades, etc, different contributions to the detectors background have been evaluated. In particular, an upper limit $< 2 \times 10^{-7}$keV$^{-1}$cm$^{-2}$s$^{-1}$ for the intrinsic background of the detector has been obtained. This work means a first evaluation of the potential of the newest micromegas technology in an underground laboratory, the most suitable environment for Rare Event Searches.During the last taking data campaigns of the CAST experiment, the micromegas detectors have achieved background levels about 5 to 9 ×10 −6 keV −1 cm −2 s −1 between 2 and 9 keV. This performance has been possible thanks to the introduction of the microbulk technology, the implementation of a shielding and the development of discrimination algorithms. It has motivated new studies towards a deeper understanding of CAST detectors background. One of the working lines includes the construction of a replica of the set-up used in CAST by micromegas detectors and its installation in the Canfranc Underground Laboratory. Different contributions to the detectors background have been evaluated and an upper limit < 2 × 10 −7 keV −1 cm −2 s −1 for the intrinsic background of the detector has been obtained.During the last taking data campaigns of the CAST experiment, the micromegas detectors have achieved background levels of $\approx 5 \times 10^{-6}$keV$^{-1}$cm$^{-2}$s$^{-1}$ between 2 and 9 keV. This performance has been possible thanks to the introduction of the microbulk technology, the implementation of a shielding and the development of discrimination algorithms. It has motivated new studies towards a deeper understanding of CAST detectors background. One of the working lines includes the construction of a replica of the set-up used in CAST by micromegas detectors and its installation in the Canfranc Underground Laboratory. Thanks to the comparison between the performance of the detectors underground and at surface, shielding upgrades, etc, different contributions to the detectors background have been evaluated. In particular, an upper limit $< 2 \times 10^{-7}$keV$^{-1}$cm$^{-2}$s$^{-1}$ for the intrinsic background of the detector has been obtained. This work means a first evaluation of the potential of the newest micromegas technology in an underground laboratory, the most suitable environment for Rare Event Searches.arXiv:1208.5690oai:cds.cern.ch:14749572012-08-29
spellingShingle Detectors and Experimental Techniques
Tomas, A.
Aune, S.
Dafni, T.
Fanourakis, G.
Ferrer-Ribas, E.
Galán, J.
García, J.A.
Gardikiotis, A.
Geralis, T.
Giomataris, I.
Gómez, H.
Garza, J.G.
Herrera, D.C.
Iguaz, F.J.
Irastorza, I.G.
Luzón, G.
Papaevangelou, T.
Rodríguez, A.
Ruz, J.
Seguí, L.
Vafeiadis, T.
Yildiz, S.C.
CAST microbulk micromegas in the Canfranc Underground Laboratory
title CAST microbulk micromegas in the Canfranc Underground Laboratory
title_full CAST microbulk micromegas in the Canfranc Underground Laboratory
title_fullStr CAST microbulk micromegas in the Canfranc Underground Laboratory
title_full_unstemmed CAST microbulk micromegas in the Canfranc Underground Laboratory
title_short CAST microbulk micromegas in the Canfranc Underground Laboratory
title_sort cast microbulk micromegas in the canfranc underground laboratory
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1016/j.phpro.2012.02.399
http://cds.cern.ch/record/1474957
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