CUPID: CUORE (Cryogenic Underground Observatory for Rare Events) Upgrade with Particle IDentification

Abstract

CUPID is a proposed future ton-scale bolometric neutrinoless double beta decay ($0\nu \beta \beta$) experiment to probe the Majorana nature of neutrinos and discover Lepton Number Violation in the so-called inverted hierarchy region of the neutrino mass. CUPID will be built on experience, expertise and lessons learned in CUORE, and will exploit the current CUORE infrastructure as much as possible. In order to achieve its ambitious science goals, CUPID aims to increase the source mass and dramatically reduce the backgrounds in the region of interest. This requires isotopic enrichment, upgraded purification and crystallization procedures, new detector technologies, a stricter material selection, and possibly new shielding concepts with respect to the state of the art deployed in CUORE. This document reviews the science goals of CUPID, defines the scope for the near-term R&D activities, and presents a roadmap towards mounting this next-generation experiment. A separate document discusses the extensive R&D program in more detail.

Cited by in corpus (21)

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• Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects
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• White Paper on New Opportunities at the Next-Generation Neutrino Experiments (Part 1: BSM Neutrino Physics and Dark Matter)
• First array of enriched Zn${}^{82}$Se bolometers to search for double beta decay
• CALDER - Neutrinoless double-beta decay identification in TeO${}_2$ bolometers with kinetic inductance detectors
• Double-beta decay investigation with highly pure enriched ${}^{82}$Se for the LUCIFER experiment
• Al/Ti/Al phonon-mediated KIDs for UV-VIS light detection over large areas
• Implications of the Diboson Excess for Neutrinoless Double Beta Decay and Lepton Flavor Violation in TeV Scale Left Right Symmetric Model
• Charge-to-heat transducers exploiting the Neganov-Trofimov-Luke effect for light detection in rare-event searches
• Flavour and dark matter in a scoto/type-II seesaw model
• Search for neutrinoless double beta decay
• Probing Left-Right Seesaw using Beam Polarization at an $e^{+}{e}^{-}$ Collider
• Potentialities of the future technical improvements in the search of rare nuclear decays by bolometers
• Growth and characterization of a Li2Mg2(MoO4)3 scintillating bolometer
• Test of ${}^{116}$CdWO${}_4$ and Li${}_2$MoO${}_4$ scintillating bolometers in the CROSS underground facility with upgraded detector suspension
• A first test of CUPID prototypal light detectors with NTD-Ge sensors in a pulse-tube cryostat
• Twelve-crystal prototype of Li${}_2$MoO${}_4$ scintillating bolometers for CUPID and CROSS experiments
• A novel mechanical design of a bolometric array for the CROSS double-beta decay experiment
• Development of large-volume ${}^{130}$TeO${}_2$ bolometers for the CROSS $2\beta$ decay search experiment