Article ID Journal Published Year Pages File Type
8191438 Physics Letters B 2011 5 Pages PDF
Abstract
A 71Ga(3He, t)71Ge charge-exchange experiment was performed to extract with high precision the Gamow-Teller (GT) transition strengths to the three lowest-lying states in 71Ge, i.e., the ground state (1/2−), the 175 keV (5/2−) and the 500 keV (3/2−) excited states. These are the relevant states, which are populated via a charged-current reaction induced by neutrinos from reactor-produced 51Cr and 37Ar sources. A precise measurement of the GT transition strengths is an important input into the calibration of the SAGE and GALLEX solar neutrino detectors and addresses a long-standing discrepancy between the measured and evaluated capture rates from the 51Cr and 37Ar neutrino calibration sources, which has recently spawned new ideas about unconventional neutrino properties.
Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics
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