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Status of the search for gravitational wave bursts with the LIGO detectors

L Cadonati, E Katsavounidis and the LIGO Scientific Collaboration's Bursts Working Group

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The LIGO Scientific Collaboration has been preparing for the search for burst-like events in the first LIGO science data. We present an overview of the goals of the burst search and provide a description of the different methods used to generate triggers from the raw time series. We also introduce the infrastructure of the prototype burst analysis pipeline. This brings together triggers from the gravitational wave and diagnostics channels in a statistically defined veto strategy, and then uses a multiple interferometer coincidence mechanism to identify candidate burst events. Finally, we discuss various aspects of the burst analysis, such as the identification of the detector stationarity and strategies in the determination of the background, upper limits and efficiency estimation. These are presented as of the time of the 7th GWDAW workshop that took place in Kyoto, Japan in December 2002.


PACS

04.80.Nn Gravitational wave detectors and experiments

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 23 March 2003

Published 7 August 2003



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