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Electron-capture branch of 100Tc and tests of nuclear wave functions for double-beta decays
We present a measurement of the electron-capture branch of Tc. Our
value, , implies that the
Mo neutrino absorption cross section to the ground state of Tc
is roughly one third larger than previously thought. Compared to previous
measurements, our value of prevents a smaller disagreement with
QRPA calculations relevant to double- decay matrix elements