Computer Science – Performance
Scientific paper
Sep 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jphe...14.1067g&link_type=abstract
Journal of Physics E - Scientific Instruments, vol. 14, Sept. 1981, p. 1067-1072.
Computer Science
Performance
6
Antenna Design, Cryogenic Equipment, Cryostats, Gravitational Wave Antennas, Autocorrelation, Italy, Liquid Helium, Noise Reduction, Performance Tests, Piezoelectric Transducers, Resonant Frequencies, Thermal Insulation
Scientific paper
The basic operational principles of a Weber-type gravitational wave antenna are briefly described. Operation at low temperatures will decrease noise and necessitates the use of an efficient cryogenic apparatus; a cryostat for the 390 kg antenna is described and illustrated. The task of achieving a long and continuous operation time is discussed, and the solution used in Frascati is described; experimental results on the performance of the apparatus are presented. These results are found to be in good agreement with computed performance. Future steps for obtaining an even lower temperature and longer operation time are discussed, with the aim of improving the sensitivity of the detector.
Giovanardi U.
Iafolla Valerio
Napoleoni P.
Pavan B.
Ricci Franco
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