Search for gravitational wave bursts by the network of resonant detectors

P. Astone, L. Baggio, D. Busby, M. Bassan, David Blair, M. Bonaldi, P. Bonifazi, P. Carelli, M. Cerdonio, E. Coccia, L. Conti, C. Cosmelli, S.D. Antonio, V. Fafone, P. Falferi, P. Fortini, S. Frasca, W.O. Hamilton, I.S. Heng, Eugene IvanovW.W. Johnson, Clayton Locke, A. Martini, E. Mauceli, M.P. Mchugh, R. Mezzena, Y. Minenkov, I. Modena, G. Modestino, A. Moleti, A. Ortolan, G.V. Pallottino, G. Pizzella, G.A. Prodi, L. Quinteri, A. Rocchi, E. Rocco, F. Ronga, F. Salemi, G. Santostasi, L. Taffarello, R. Terenzi, Michael Tobar, G. Vedovato, A. Vinante, M. Visco, S. Vitale, J.P. Zendri

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The groups operating cryogenic bar detectors of gravitational waves are pet-forming a coordinated search for short signals within the International Gravitational Event Collaboration (IGEC). We review the most relevant aspects of the data analysis, based on a time-coincidence search among triggers from different detectors, and the properties of the data exchanged by each detector under a recently-upgraded agreement. The IGEC is currently analysing the observations from 1997 to 2000, when up to four detectors were operating simultaneously. 10% and 50% of this time period were covered by simultaneous observations, respectively, of at least three or at least two detectors. Typical signal search thresholds were in the range 2-6 10(-21)/Hz. The coincidences found are within the estimated background, hence improved upper limits on incoming GW (gravitational wave) bursts have been set.
Original languageEnglish
Pages (from-to)1367-1375
JournalClassical and Quantum Gravity
Volume19
DOIs
Publication statusPublished - 2002

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