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Gravitational wave chirp search: no-signal cumulative distribution of the maximum likelihood detection statistic

R P Croce1, Th Demma1, M Longo2, S Marano2, V Matta2, V Pierro1 and I M Pinto1

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The cumulative distribution of the supremum of a set (bank) of correlators is investigated in the context of maximum likelihood detection of gravitational wave chirps from coalescing binaries with unknown parameters. Accurate (lower-bound) approximants are introduced based on a suitable generalization of previous results by Mohanty. Asymptotic properties (in the limit where the number of correlators goes to infinity) are highlighted. The validity of numerical simulations made on small-size banks is extended to banks of any size, via a Gaussian correlation inequality.


PACS

04.80.Nn Gravitational wave detectors and experiments

97.80.Af Astrometric and interferometric binaries

95.75.Pq Mathematical procedures and computer techniques

95.55.Ym Gravitational radiation detectors; mass spectrometers; and other instrumentation and techniques

MSC

83C35 Gravitational waves

Subjects

Instrumentation and measurement

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 17 (7 September 2003)

Received 29 May 2003

Published 18 August 2003



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