Chromium disks (IMAGE) DOE/Los Alamos National Laboratory Caption A set of 26 irradiated disks of chromium 51 are the source of electron neutrinos that react with gallium and produce germanium 71 at rates which can be measured against predicted rates. Credit A.A. Shikhin Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.