New Gravitational Radiation Experiments

Abstract

Squared time derivatives of output powers of the Argonne and Maryland gravitational radiation detectors are written on magnetic tapes at Argonne and Maryland every 0.1 sec. A computer files the threshold crossing times. A coincidence is a pair of identical crossing times of both tapes. The accidentals rate is measured by repeating the procedure for a sequence of time delays in either channel. A significant excess of coincidences is found at zero delay.