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Sensitivity of a VIRGO pair to relic gravitational wave backgrounds

D Babusci1 and M Giovannini2

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The sensitivity of a pair of VIRGO interferometers to gravitational wave (GW) backgrounds of cosmological origin is analysed for the cases of maximal and minimal overlap of the two detectors. The improvements in the detectability prospects of scale-invariant and non-scale-invariant logarithmic energy spectra of relic GW are discussed.


PACS

04.80.Nn Gravitational wave detectors and experiments

04.30.Db Wave generation and sources

98.70.Vc Background radiations

95.55.Br Astrometric and interferometric instruments

98.80.-k Cosmology

MSC

83C35 Gravitational waves

83F05 Cosmology

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 14 (21 July 2000)

Received 21 December 1999, in final form 11 May 2000



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