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Determination of neutrino incoming direction in the CHOOZ experiment and Supernova explosion location by scintillator detectors

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arxiv hep-ex/9906011 v1 pith:6LYJN7LY submitted 1999-06-07 hep-ex nucl-ex

classification hep-exnucl-ex
keywords antineutrinochoozexperimentexplosionneutrinosupernovaanalysiscollected
verification ladder T0 review T1 audit T2 compute T3 formal

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The CHOOZ experiment measured the antineutrino flux at a distance of about 1 Km from two nuclear reactors in order to detect possible neutrino oscillations with squared mass differences as low as 10**-3 eV**2 for full mixing. We show that the data analysis of the electron antineutrino events, collected by our liquid scintillation detector, locates the antineutrino source within a cone of half-aperture of about 18 degrees at the 68% C.L.. We discuss the implications of this experimental result for tracking down a supernova explosion.

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Cited by 3 Pith papers

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

  1. Plenoptic imaging of particle interactions in scintillation detectors

    physics.ins-det 2026-07 unverdicted novelty 6.0 of 10

    PRISM multifocal plenoptic system achieves ~1 mm average 3D localization error for single-vertex events in scintillation detectors with O(100) photons.

  2. Enhancing Angular Sensitivity of Segmented Antineutrino Detectors for Reactor Monitoring

    hep-ex 2026-03 conditional novelty 5.0 of 10

    A Frobenius-norm template-matching algorithm estimates antineutrino direction from neutron-capture patterns in segmented detectors, with an optimal segment size near the mean neutron track length (~70 mm) at low counts.

  3. Improving the Angular Resolution of IBD Events Using Neutron Capture Information in Super-Kamiokande

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Geant4 simulation finds neutron capture positions statistically enhance IBD neutrino directionality in water Cherenkov detectors from ~10 MeV to hundreds of MeV despite diffusion.

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