Stochastic Background Search Correlating ALLEGRO with LIGO Engineering Data

Details Stochastic Background Search Correlating ALLEGRO with LIGO Engineering Data Stochastic Background Search Correlating ALLEGRO with LIGO Engineering Data

2003-08-14

arxiv.org/abs/gr-qc/0308045v1

Class.Quant.Grav.20:S689-S696,2003

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, 2 encapsulated PostScript figures, uses IOP class files, submitted to the proceedings of the 7th Gravitational Wave D

Scientific paper

10.1088/0264-9381/20/17/312

We describe the role of correlation measurements between the LIGO interferometer in Livingston, LA, and the ALLEGRO resonant bar detector in Baton Rouge, LA, in searches for a stochastic background of gravitational waves. Such measurements provide a valuable complement to correlations between interferometers at the two LIGO sites, since they are sensitive in a different, higher, frequency band. Additionally, the variable orientation of the ALLEGRO detector provides a means to distinguish gravitational wave correlations from correlated environmental noise. We describe the analysis underway to set a limit on the strength of a stochastic background at frequencies near 900 Hz using ALLEGRO data and data from LIGO's E7 Engineering Run.

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