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

Research output: Contribution to journalArticle

1 Scopus citations


The (Formula presented) 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 (Formula presented) 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 (Formula presented) 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. (Formula presented) oscillations were excluded at 90% C.L. for (Formula presented) (Formula presented) for full mixing and (Formula presented) for large (Formula presented) These results support the conclusion that the observed atmospheric neutrino oscillations do not involve (Formula presented).

Original languageEnglish (US)
Pages (from-to)18
Number of pages1
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number7
StatePublished - 2000
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    Boehm, F., Busenitz, J., Cook, B., Gratta, G., Henrikson, H., Kornis, J., Lawrence, D., Lee, K. B., McKinny, K., Miller, L., Novikov, V., Piepke, A., Ritchie, B., Tracy, D., Vogel, P., Wang, Y. F., & Wolf, J. (2000). Results from the Palo Verde neutrino oscillation experiment. Physical Review D - Particles, Fields, Gravitation and Cosmology, 62(7), 18.