Initial operation of the M equals 390 KG cryogenic gravitational-wave antenna

Details Initial operation of the M equals 390 KG cryogenic gravitational-wave antenna Initial operation of the M equals 390 KG cryogenic gravitational-wave antenna

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978ncimc...1..497a&link_type=abstract

Nuovo Cimento C, Serie 1, vol. 1C, Nov.-Dec. 1978, p. 497-509. Research supported by the Consiglio Nazionale delle Ricerche, Uni

Computer Science

Performance

12

Cryogenic Equipment, Gravitational Wave Antennas, Antenna Design, Calibrating, Performance Tests, Stochastic Processes

Scientific paper

A 1795-Hz intermediate gravitational-wave antenna of mass equal to 390 kg has been operated at 4.2 K from June 10 to July 18, 1978. The data collected during more than 50 percent of the time show an effective temperature of 1.5 K on the average, with periods of a few hours during which temperature goes below 1 K. This corresponds to an instrumental sensitivity of 200 Joules per sq m-Hz. The observed difference between observed and computed equivalent temperature is due to disturbances of mechanical and thermal origin which may be further reduced.

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