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Characterization of a radiation detector based on opaque water-based liquid scintillator

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arxiv 2406.13054 v2 pith:VNHPWFEM submitted 2024-06-18 physics.ins-det

Characterization of a radiation detector based on opaque water-based liquid scintillator

classification physics.ins-det
keywords detectoreventsliquidopaquereconstructioncharacterizationmev-equivalentradiation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present the characterization of a novel radiation detector based on an opaque water-based liquid scintillator. Opaque scintillators, also known as LiquidO, are made to be highly scattering, such that the scintillation light is effectively confined, and read out through wavelength-shifting fibers. The 1-liter, 32-channel prototype demonstrates the capability for both spectroscopy and topological reconstruction of point-like events. The design, construction, and evaluation of the detector are described, including modeling of the scintillation liquid optical properties and the detector's response to gamma rays of several energies. A mean position reconstruction error of 4.4 mm for 1.6 MeV-equivalent events and 7.4 mm for 0.8 MeV-equivalent events is demonstrated using a simple reconstruction approach analogous to center-of-mass.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Construction, commissioning, and beam test of a pilot 3D-projection opaque water-based liquid scintillator detector

    physics.ins-det 2026-05 conditional novelty 6.0

    A pilot 3D-projection detector with opaque water-based liquid scintillator achieves light scattering length below 2 cm and single-channel timing resolution of 0.17-0.28 ns in 50-500 MeV proton beam tests.

  2. The DAMSA Experiment

    hep-ex 2026-04 unverdicted novelty 6.0

    DAMSA proposes an ultra-short baseline accelerator experiment to detect short-lived dark sector messengers by overcoming the sensitivity ceiling of longer-baseline beam dump experiments through a compact detector design.

  3. Probing Long-Lived Particle Production in Muon Decays at the SNS with a Highly Capable Hydrocarbon Detector

    hep-ex 2026-06 unverdicted novelty 4.0

    Proposes a hydrocarbon detector at SNS for order-of-magnitude better sensitivity to 10-100 MeV axion-like particles and heavy neutral leptons via e+e- decays from muon decays at rest.