Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/48816
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Type: Journal article
Title: Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts
Author: Abbott, B.
Abbott, R.
Adhikari, R.
Ageev, A.
Agresti, J.
Allen, B.
Allen, G.
Amin, R.
Anderson, S.
Anderson, W.
Araya, M.
Armandula, H.
Ashley, M.
Asiri, F.
Aufmuth, P.
Aulbert, C.
Babak, S.
Balasubramanian, R.
Ballmer, S.
Barish, B.
et al.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2005; 72(12):122004-1-122004-16
Publisher: American Physical Soc
Issue Date: 2005
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
B. Abbott...C. Killow...D. Ottaway...et al., LIGO Scientific Collaboration
Abstract: We report on the first joint search for gravitational waves by the TAMA and LIGO collaborations. We looked for millisecond-duration unmodeled gravitational-wave bursts in 473 hr of coincident data collected during early 2003. No candidate signals were found. We set an upper limit of 0.12 events per day on the rate of detectable gravitational-wave bursts, at 90% confidence level. From software simulations, we estimate that our detector network was sensitive to bursts with root-sum-square strain amplitude above approximately 1–3×10-19  Hz-1/2 in the frequency band 700-2000 Hz. We describe the details of this collaborative search, with particular emphasis on its advantages and disadvantages compared to searches by LIGO and TAMA separately using the same data. Benefits include a lower background and longer observation time, at some cost in sensitivity and bandwidth. We also demonstrate techniques for performing coincidence searches with a heterogeneous network of detectors with different noise spectra and orientations. These techniques include using coordinated software signal injections to estimate the network sensitivity, and tuning the analysis to maximize the sensitivity and the livetime, subject to constraints on the background.
Rights: ©2005 American Physical Society
RMID: 0020083079
DOI: 10.1103/PhysRevD.72.122004
Appears in Collections:Physics publications

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