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Results from the Palo Verde Neutrino Oscillation Experiment | | F.Boehm
; J.Busenitz
; B.Cook
; G.Gratta
; H.Henrikson
; J.Kornis
; D.Lawrence
; K.B.Lee
; K.McKinny
; L.Miller
; V.Novikov
; A.Piepke
; B.Ritchie
; D.Tracy
; P.Vogel
; Y-F.Wang
; J.Wolf
; | | Date: |
16 Mar 2000 | | Journal: | Phys.Rev. D62 (2000) 072002 | | Subject: | hep-ex | | Abstract: | The $
uebar$ 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 $
uebar$p$ o$e^+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. $
uebar oar
u_x$ oscillations were excluded at 90% CL for $dm>1.12 imes10^{-3}$ eV^2 for full mixing, and $sinq>0.21$ for large $dm$. These results support the conclusion that the observed atmospheric neutrino oscillations does not involve $
u_{
m e}$. | | Source: | arXiv, hep-ex/0003022 | | Services: | Forum | Review | PDF | Favorites | |
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