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Reactor antineutrino directionality measurement with the PROSPECT-I detector
Journal article   Open access   Peer reviewed

Reactor antineutrino directionality measurement with the PROSPECT-I detector

M. Andriamirado, A. B. Balantekin, C. D. Bass, O. Benevides Rodrigues, E. P. Bernard, N. S. Bowden, C. D. Bryan, R. Carr, T. Classen, A. J. Conant, …
Physical review. D, v 111(3), 032014
Feb 2025
url
http://arxiv.org/abs/2406.08359View

Abstract

The PROSPECT-I detector has several features that enable measurement of the direction of a compact neutrino source. In this paper, a detailed report on the directional measurements made on electron antineutrinos emitted from the High Flux Isotope Reactor is presented. With an estimated true neutrino (reactor to detector) direction of % = 40.8 degrees + 0.7 degrees and theta = 98.6 degrees + 0.4 degrees, the PROSPECT-I detector is able to reconstruct an average neutrino direction of % = 39.4 degrees + 2.9 degrees and theta = 97.6 degrees + 1.6 degrees. This measurement is made with approximately 48 000 inverse beta decay signal events and is the most precise directional reconstruction of reactor antineutrinos to date.

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Collaboration types
Domestic collaboration
Web of Science research areas
Astronomy & Astrophysics
Physics, Particles & Fields
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