The Majorana Parts Tracking Database

N Abgrall,E Aguayo,F T Avignone,A S Barabash,F E Bertrand,V B Brudanin,Michael P Busch, D Byram,A S Caldwell,Yd Chan,C D Christofferson,D C Combs,C Cuesta,J A Detwiler, P J Doe,Y V Efremenko,V Egorov,H Ejiri,S R Elliott,J H Esterline,J Fast, P Finnerty, F M Fraenkle,A Galindouribarri,G K Giovanetti,J Goett,M P Green,J Gruszko,V E Guiseppe,K Gusev,A L Hallin,R Hazama,A Hegai,R Henning,E W Hoppe, S Howard,M A Howe, K J Keeter,M F Kidd, O Kochetov,S I Konovalov,Richard T Kouzes,B D Laferriere,J Diaz Leon, L E Leviner,J C Loach, J Macmullin,R D Martin,S J Meijer,S Mertens,M L Miller, L Mizouni, M Nomachi,J L Orrell, C Oshaughnessy,N R Overman,R Petersburg,D G Phillips,A W P Poon,K Pushkin,D C Radford,J Rager,K Rielage,R G H Robertson,E Romeroromero,M Ronquest,B Shanks,T Shima,M Shirchenko,K J Snavely,N Snyder,A Soin,A M Suriano,D J Tedeschi, John L P Thompson,V Timkin, W Tornow, J E Trimble,R L Varner,S Vasilyev,K Vetter,K Vorren,B R White,J F Wilkerson,C Wiseman, Weijia Xu,E Yakushev,A R Young,C H Yu,V Yumatov,I Zhitnikov

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2015）

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摘要

The Majorana Demonstrator is an ultra-low background physics experiment searching for the neutrinoless double beta decay of 76Ge. The Majorana Parts Tracking Database is used to record the history of components used in the construction of the Demonstrator. The tracking implementation takes a novel approach based on the schema-free database technology CouchDB. Transportation, storage, and processes undergone by parts such as machining or cleaning are linked to part records. Tracking parts provide a great logistics benefit and an important quality assurance reference during construction. In addition, the location history of parts provides an estimate of their exposure to cosmic radiation. A web application for data entry and a radiation exposure calculator have been developed as tools for achieving the extreme radio-purity required for this rare decay search.

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关键词

Neutrinoless double beta decay,Low background,Application software,Component and materials tracking

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