Gallex


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Gallex

(gal -eks) See neutrino astronomy.
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At the Gran Sasso underground laboratory in Italy, GALLEX researchers looked for low-energy neutrinos produced by the decay of chromium-51, a specially prepared, highly radioactive isotope of chromium.
The GALLEX solar neutrino measurements, along with those from the Soviet-American Gallium Experiment (SAGE) in Russia and the Kamiokande detector in Japan, spotlight one particular step in the chain of nuclear fusion reactions occurring in the sun's core.
Since we have just shown that we can detect essentially all the neutrinos from chromium-51 in the GALLEX detector, we should also be able to detect the solar beryllium-7 neutrinos.
This measurement constitutes the first observation of the [proton-proton] neutrinos," says GALLEX team member Richard L.
At the Gran Sasso underground laboratory in Italy, GALLEX researchers measured the rate at which nuclei of gallium-71 capture solar neutrinos to produce radioactive germanium-71.