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The projected background for the CUORE experiment
- Source :
- Eur.Phys.J.C, Eur.Phys.J.C, 2017, 77 (8), pp.543. ⟨10.1140/epjc/s10052-017-5080-6⟩, BASE-Bielefeld Academic Search Engine, European Physical Journal C: Particles and Fields, European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2017, 77 (8), pp.543. ⟨10.1140/epjc/s10052-017-5080-6⟩, Eur.Phys.J.C, 2017, 77 (8), pp.543. 〈10.1140/epjc/s10052-017-5080-6〉, Zaguán. Repositorio Digital de la Universidad de Zaragoza, instname, TopicHub SCOAP3, European Physical Journal C: Particles and Fields, Vol 77, Iss 8, Pp 1-16 (2017), European Physical Journal C
- Publication Year :
- 2017
- Publisher :
- Springer New York LLC, 2017.
-
Abstract
- The Cryogenic Underground Observatory for Rare Events (CUORE) is designed to search for neutrinoless double beta decay of ¹³⁰ Te with an array of 988 TeO₂ bolometers operating at temperatures around 10 mK. The experiment is currently being commissioned in Hall A of Laboratori Nazionali del Gran Sasso, Italy. The goal of CUORE is to reach a 90% C.L. exclusion sensitivity on the ¹³⁰ Te decay half-life of 9 × 10 ²⁵ years after 5 years of data taking. The main issue to be addressed to accomplish this aim is the rate of background events in the region of interest, which must not be higher than 10 ⁻² counts/keV/kg/year. We developed a detailed Monte Carlo simulation, based on results from a campaign of material screening, radioassays, and bolometric measurements, to evaluate the expected background. This was used over the years to guide the construction strategies of the experiment and we use it here to project a background model for CUORE. In this paper we report the results of our study and our expectations for the background rate in the energy region where the peak signature of neutrinoless double beta decay of 130 Te is expected.<br />National Science Foundation (U.S.) (Grant NSF-PHY-0605119)<br />National Science Foundation (U.S.) (Grant NSF-PHY-0500337)<br />National Science Foundation (U.S.) (Grant NSF-PHY-0855314)<br />National Science Foundation (U.S.) (Grant NSF-PHY-0902171)<br />National Science Foundation (U.S.) (Grant NSF-PHY-0969852)<br />National Science Foundation (U.S.) (Grant NSF-PHY-1307204)<br />National Science Foundation (U.S.) (Grant NSF-PHY-1314881)<br />National Science Foundation (U.S.) (Grant NSF-PHY-1401832)<br />National Science Foundation (U.S.) (Grant NSF-PHY-1404205)
- Subjects :
- Physics - Instrumentation and Detectors
Physics and Astronomy (miscellaneous)
Monte Carlo method
background: model
FOS: Physical sciences
lcsh:Astrophysics
7. Clean energy
01 natural sciences
law.invention
Nuclear physics
CUORE
bolometer
law
Observatory
Double beta decay
lcsh:QB460-466
0103 physical sciences
lcsh:Nuclear and particle physics. Atomic energy. Radioactivity
[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Background: model | numerical calculations: Monte Carlo | CUORE | bolometer | sensitivity | tellurium: nuclide
010306 general physics
Engineering (miscellaneous)
[ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Physics
010308 nuclear & particles physics
Bolometer
Instrumentation and Detectors (physics.ins-det)
sensitivity
lcsh:QC770-798
tellurium: nuclide
numerical calculations: Monte Carlo
Subjects
Details
- Language :
- English
- ISSN :
- 14346044 and 14346052
- Database :
- OpenAIRE
- Journal :
- Eur.Phys.J.C, Eur.Phys.J.C, 2017, 77 (8), pp.543. ⟨10.1140/epjc/s10052-017-5080-6⟩, BASE-Bielefeld Academic Search Engine, European Physical Journal C: Particles and Fields, European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2017, 77 (8), pp.543. ⟨10.1140/epjc/s10052-017-5080-6⟩, Eur.Phys.J.C, 2017, 77 (8), pp.543. 〈10.1140/epjc/s10052-017-5080-6〉, Zaguán. Repositorio Digital de la Universidad de Zaragoza, instname, TopicHub SCOAP3, European Physical Journal C: Particles and Fields, Vol 77, Iss 8, Pp 1-16 (2017), European Physical Journal C
- Accession number :
- edsair.doi.dedup.....4cc5804d00da73a4ff081854f58d2211