This article describes the setup and performance of the near and far detectors in the Double Chooz experiment. The electron antineutrinos of the Chooz nuclear power plant were measured in two identically designed detectors with different average baselines of about 400 m and 1050 m from the two reactor cores. Over many years of data taking the neutrino signals were extracted from interactions in the detectors with the goal of measuring a fundamental parameter in the context of neutrino oscillation, the mixing angle θ13. The central part of the Double Chooz detectors was a main detector comprising four cylindrical volumes filled with organic liquids. From the inside towards the outside there were volumes containing gadolinium-loaded scintillator, gadolinium-free scintillator, a buffer oil and, optically separated, another liquid scintillator acting as veto system. Above this main detector an additional outer veto system using plastic scintillator strips was installed. The technologies developed in Double Chooz were inspiration for several other antineutrino detectors in the field. The detector design allowed implementation of efficient background rejection techniques including use of pulse shape information provided by the data acquisition system. The Double Chooz detectors featured remarkable stability, in particular for the detected photons, as well as high radiopurity of the detector components.

de Kerret, H., Abe, Y., Aberle, C., Abrahao, T., Ahijado, J., Akiri, T., et al. (2022). The Double Chooz antineutrino detectors. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 82(9) [10.1140/epjc/s10052-022-10726-x].

The Double Chooz antineutrino detectors

Minotti A.;
2022

Abstract

This article describes the setup and performance of the near and far detectors in the Double Chooz experiment. The electron antineutrinos of the Chooz nuclear power plant were measured in two identically designed detectors with different average baselines of about 400 m and 1050 m from the two reactor cores. Over many years of data taking the neutrino signals were extracted from interactions in the detectors with the goal of measuring a fundamental parameter in the context of neutrino oscillation, the mixing angle θ13. The central part of the Double Chooz detectors was a main detector comprising four cylindrical volumes filled with organic liquids. From the inside towards the outside there were volumes containing gadolinium-loaded scintillator, gadolinium-free scintillator, a buffer oil and, optically separated, another liquid scintillator acting as veto system. Above this main detector an additional outer veto system using plastic scintillator strips was installed. The technologies developed in Double Chooz were inspiration for several other antineutrino detectors in the field. The detector design allowed implementation of efficient background rejection techniques including use of pulse shape information provided by the data acquisition system. The Double Chooz detectors featured remarkable stability, in particular for the detected photons, as well as high radiopurity of the detector components.
Articolo in rivista - Articolo scientifico
Neutrino detectors; neutrino oscillation; reactor neutrinos
English
8-set-2022
2022
82
9
804
none
de Kerret, H., Abe, Y., Aberle, C., Abrahao, T., Ahijado, J., Akiri, T., et al. (2022). The Double Chooz antineutrino detectors. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 82(9) [10.1140/epjc/s10052-022-10726-x].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/422338
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