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Prototyping a High Purity Germanium cryogenic veto system for a bolometric detection experiment.

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Title: Prototyping a High Purity Germanium cryogenic veto system for a bolometric detection experiment.
Authors: Goupy, C.1 (AUTHOR) chloe.goupy@cea.fr, Marnieros, S.2 (AUTHOR), Mauri, B.1 (AUTHOR), Nones, C.1 (AUTHOR), Vivier, M.1 (AUTHOR)
Source: Nuclear Instruments & Methods in Physics Research Section A. Jul2024, Vol. 1064, pN.PAG-N.PAG. 1p.
Subjects: Neutrinoless double beta decay, Muons, Germanium detectors, Germanium, Veto, Monte Carlo method, Threshold energy
Abstract: The use of High Purity Germanium detectors operated in ionization mode at cryogenic temperatures is investigated as an external background mitigation solution for bolometers used in rare-event search experiments. A simple experimental setup, running a 52-g Li 2 WO 4 bolometer sandwiched in-between two 2-cm thick High Purity Germanium cylindrical detectors in a dry cryostat, shows promising rejection to environmental gammas and atmospheric muons backgrounds. The acquired data are used together with a Monte Carlo simulation of the setup to extract the main contributions to the external backgrounds expected in an above ground experiment, such as e.g. current and future experimental efforts targeting the detection of coherent elastic neutrino-nucleus scattering at reactor facilities. Based on all these results, a 4 π coverage similar veto system achieving a O (10 keV) energy threshold is expected to achieve a ≳ 73% and a ≳ 92% rejection power for gamma-like and muon-like events, respectively. [ABSTRACT FROM AUTHOR]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 177880990
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  Data: Prototyping a High Purity Germanium cryogenic veto system for a bolometric detection experiment.
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  Data: <searchLink fieldCode="DE" term="%22Neutrinoless+double+beta+decay%22">Neutrinoless double beta decay</searchLink><br /><searchLink fieldCode="DE" term="%22Muons%22">Muons</searchLink><br /><searchLink fieldCode="DE" term="%22Germanium+detectors%22">Germanium detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Germanium%22">Germanium</searchLink><br /><searchLink fieldCode="DE" term="%22Veto%22">Veto</searchLink><br /><searchLink fieldCode="DE" term="%22Monte+Carlo+method%22">Monte Carlo method</searchLink><br /><searchLink fieldCode="DE" term="%22Threshold+energy%22">Threshold energy</searchLink>
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  Data: The use of High Purity Germanium detectors operated in ionization mode at cryogenic temperatures is investigated as an external background mitigation solution for bolometers used in rare-event search experiments. A simple experimental setup, running a 52-g Li 2 WO 4 bolometer sandwiched in-between two 2-cm thick High Purity Germanium cylindrical detectors in a dry cryostat, shows promising rejection to environmental gammas and atmospheric muons backgrounds. The acquired data are used together with a Monte Carlo simulation of the setup to extract the main contributions to the external backgrounds expected in an above ground experiment, such as e.g. current and future experimental efforts targeting the detection of coherent elastic neutrino-nucleus scattering at reactor facilities. Based on all these results, a 4 π coverage similar veto system achieving a O (10 keV) energy threshold is expected to achieve a ≳ 73% and a ≳ 92% rejection power for gamma-like and muon-like events, respectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.nima.2024.169383
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      – Code: eng
        Text: English
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      – SubjectFull: Neutrinoless double beta decay
        Type: general
      – SubjectFull: Muons
        Type: general
      – SubjectFull: Germanium detectors
        Type: general
      – SubjectFull: Germanium
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      – SubjectFull: Veto
        Type: general
      – SubjectFull: Monte Carlo method
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      – SubjectFull: Threshold energy
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      – TitleFull: Prototyping a High Purity Germanium cryogenic veto system for a bolometric detection experiment.
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            NameFull: Goupy, C.
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              M: 07
              Text: Jul2024
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              Y: 2024
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