A. I. Abazov, O. Anosov, E. L. Faizov
Dec 9, 1991
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206
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Journal
Physical Review Letters
Abstract
A radiochemical 71 Ga- 71 Ge experiment using 3e tons of gallium to determine the primary flux of neutrinos from the Sun has begun operation at the Baksan Neutrino Observatory in the U.S.S.R. Assuming that the extraction efficiency for 71 Ge atoms produced by solar neutrinos isthe same as from natural Ge carrier, we observed the capture rate to be 20 -20 +15 (stat)±32(syst) solar neutrino units (SNU), resulting in a limit of less than 79 SNU (90% C.L.)