Neutrino Physics with an Opaque Detector

Abstract

In 1956 Reines & Cowan discovered the neutrino using a liquid scintillator detector. The neutrinos interacted with the scintillator, producing light that propagated across transparent volumes to surrounding photo-sensors. This approach has remained one of the most widespread and successful neutrino detection technologies used since. This article introduces a concept that breaks with the conventional paradigm of transparency by confining and collecting light near its creation point with an opaque scintillator and a dense array of optical fibres. This technique, called LiquidO, can provide high-resolution imaging to enable efficient identification of individual particles event-by-event. A natural affinity for adding dopants at high concentrations is provided by the use of an opaque medium. With these and other capabilities, the potential of our detector concept to unlock opportunities in neutrino physics is presented here, alongside the results of the first experimental validation.

arXiv comment9 pages, 4 figures

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Cited by in corpus (14)

• Toward the discovery of matter creation with neutrinoless double-beta decay
• Review of Novel Approaches to Organic Liquid Scintillators in Neutrino Physics
• Additive manufacturing of fine-granularity optically-isolated plastic scintillator elements
• Safe liquid scintillators for large scale detectors
• Characterization of a radiation detector based on opaque water-based liquid scintillator
• Precision measurements and tau neutrino physics in a future accelerator neutrino experiment
• Combining Hybrid and Opaque Scintillator Techniques in the Search for Double Beta Plus Decays
• First characterization of a novel grain calorimeter: the GRAiNITA prototype
• COCOA: a compact Compton camera for astrophysical observation of MeV-scale gamma rays
• Evaluation of Light Collection from Highly Scattering Media using Wavelength-Shifting Fibers
• LiquidO: Neutrino Detection and Imaging in Opaque Media
• Muon tracking in a LiquidO opaque scintillator detector
• A Hands-on Experience with a Novel Scintillation Detector for Particle Physics
• Review on reactor neutrino present and future