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Gator: a low-background counting facility at the Gran Sasso Underground Laboratory


Baudis, L; Ferella, A D; Askin, A; Angle, J; Aprile, E; Bruch, T; Kish, A; Laubenstein, M; Manalaysay, A; Marrodan Undagoitia, T; Schumann, M (2011). Gator: a low-background counting facility at the Gran Sasso Underground Laboratory. Journal of Instrumentation, 6(8):P08010.

Abstract

A low-background germanium spectrometer has been installed and is being operated in an ultra-low background shield (the Gator facility) at the Gran Sasso underground laboratory in Italy (LNGS). With an integrated rate of ~ 0.16 events/min in the energy range between 100-2700 keV, the background is comparable to those of the world's most sensitive germanium detectors. After a detailed description of the facility, its background sources as well as the calibration and efficiency measurements are introduced. Two independent analysis methods are described and compared using examples from selected sample measurements. The Gator facility is used to screen materials for XENON, GERDA, and in the context of next-generation astroparticle physics facilities such as DARWIN.

Abstract

A low-background germanium spectrometer has been installed and is being operated in an ultra-low background shield (the Gator facility) at the Gran Sasso underground laboratory in Italy (LNGS). With an integrated rate of ~ 0.16 events/min in the energy range between 100-2700 keV, the background is comparable to those of the world's most sensitive germanium detectors. After a detailed description of the facility, its background sources as well as the calibration and efficiency measurements are introduced. Two independent analysis methods are described and compared using examples from selected sample measurements. The Gator facility is used to screen materials for XENON, GERDA, and in the context of next-generation astroparticle physics facilities such as DARWIN.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2011
Deposited On:13 Feb 2012 07:25
Last Modified:05 Apr 2016 15:33
Publisher:IOP Publishing Ltd
ISSN:1748-0221
Publisher DOI:https://doi.org/10.1088/1748-0221/6/08/P08010
Related URLs:http://arxiv.org/abs/1103.2125

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Content: Accepted Version
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