Comparison of the intensities of
at two distances from the reactor of the Rovno nuclear power plant
Afonin A. I., Bogatov S. A., Borovoi A. A., Vershinskii A. G., Gavrilov S. L., Ketov S. N., Klimov Yu. V., Kopeikin V. I., Kuvshinnikov A. A., Labzov A. A., Levina L. A., Machulin I. N., Mikaelyan L. A., Ozerov K. V., Sinev V. V., Tolokonnikov S. V., Kheruvimov A. N.
The count rates for the events of the reaction ve +p-*e+ + и are measured at distances of 18 and 25 meters from the reactor. The decrease in intensity with the distance is consistent, within the limits of the statistical base (31600 ve were detected), with the decrease predicted on the basis of the geometry. The restrictions on the Pontecorvo oscillation parameters are found in the two-state model. Our results are compared with the results of a similar experiment performed by a French group, who reported a deviation from the geometry at distances of 13.6 and 18.3 meters from the reactor.
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