Physics
Scientific paper
Mar 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977nciml..18..425a&link_type=abstract
Nuovo Cimento, Lettere, vol. 18, Mar. 26, 1977, p. 425-432.
Physics
11
Antennas, Gravitational Waves, Low Temperature, Radiant Flux Density, Random Noise, Autocorrelation, Ceramics, Frequency Distribution, Histograms
Scientific paper
A small 20-kg gravitational wave antenna cooled to 4.2 K with a
piezoelectric ceramic vibration detector was tested, and it was found
that it does indeed observe the effective Brownian noise at 4.2 K with
no extra pulses within statistical fluctuations. It was possible to
determine an upper limit to the flux of gravitational waves at 8580 Hz.
Amaldi E.
Bonifazi P.
Bordoni Franco
Cosmelli Carlo
Giovanardi U.
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