2000/03/16 by F. Boehm, J. Busenitz, B. Cook +19 · 342 citations
Chemistry · Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Chemistry #Computer science #Neutrino #Neutrino Physics Research #Neutrino oscillation #Oscillation (cell signaling) #PALO #Particle physics #Particle physics theoretical and experimental studies #Physics #hep-ex
paper · pdf · doi:10.1103/physrevd.62.072002
published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 62(7) (American Physical Society) · 19 pages, 24 figures, 7 tables
arxiv created 2000/03/16 · openalex publication_date 2000/09/07 · arxiv updated 2019/08/17 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The \ensuremathνe flux and spectrum have been measured at a distance of about 800 m from the reactors of the Palo Verde Nuclear Generating Station using a segmented Gd-loaded liquid scintillator detector. Correlated positron-neutron events from the reaction \ensuremathνe\stackrel\ensuremath→pe+n were recorded for a period of 200 d including 55 d with one of the three reactors off for refueling. Backgrounds were accounted for by making use of the reactor-on and reactor-off cycles, and also with a novel technique based on the difference between signal and background under reversal of the e+ and n portions of the events. A detailed description of the detector calibration, background subtraction, and data analysis is presented here. Results from the experiment show no evidence for neutrino oscillations. \ensuremathνe\ensuremath→\ensuremathνx oscillations were excluded at 90% C.L. for \ensuremathΔm2>1.12\ifmmode×\else\texttimes\fi10^\ensuremath-3 eV2 for full mixing and sin22\ensuremathθ>0.21 for large \ensuremathΔm2. These results support the conclusion that the observed atmospheric neutrino oscillations do not involve \ensuremathνe.