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  The Einstein@Home search for periodic gravitational waves in LIGO S4 data

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., et al. (2009). The Einstein@Home search for periodic gravitational waves in LIGO S4 data. Physical Review D, 79(2): 022001. doi:10.1103/PhysRevD.79.022001.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-1541-0 Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-BA99-3
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Abbott, B.1, Autor
Abbott, R.1, Autor
Adhikari, R.1, Autor
Ajith, P.2, Autor
Allen, Bruce3, Autor              
Allen, Gabrielle1, Autor
Amin, R.1, Autor
Anderson, D. P.1, Autor
Anderson, S. B.1, Autor
Anderson, W. G.1, Autor
Arain, M.1, Autor
Araya, M.1, Autor
Armandula, H.1, Autor
Armor, P.1, Autor
Aso, Y.1, Autor
Aston, S.1, Autor
Aufmuth, Peter4, Autor              
Aulbert, Carsten3, Autor              
Babak, Stanislav5, Autor              
Ballmer, S.1, Autor
Bantilan, H.1, AutorBarish, B. C.1, AutorBarker, C.1, AutorBarker, D.1, AutorBarr, B. W.1, AutorBarriga, P.1, AutorBarton, M. A.1, AutorBastarrika, M.1, AutorBayer, K.1, AutorBetzwieser, J.1, AutorBeyersdorf, P. T.1, AutorBilenko, I. A.1, AutorBillingsley, G.1, AutorBiswas, R.1, AutorBlack, E.1, AutorBlackburn, K.1, AutorBlackburn, L.1, AutorBlair, D.1, AutorBland, B.1, AutorBodiya, T. P.1, AutorBogue, L.1, AutorBork, Rolf1, AutorBoschi, V.1, AutorBose, Sukanta1, AutorBrady, Patrick R.1, AutorBraginsky, V. B.1, AutorBrau, J. E.1, AutorBrinkmann, Marc4, Autor              Brooks, A.1, AutorBrown, Duncan A.1, AutorBrunet, G.1, AutorBullington, A.1, AutorBuonanno, A.6, Autor              Burmeister, Oliver4, Autor              Byer, R. L.1, AutorCadonati, L.1, AutorCagnoli, G.1, AutorCamp, J. 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Affiliations:
1External Organizations, ou_persistent22              
2AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              
3Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
4Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
5Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              
6Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              
7AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              
8Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24013              

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 Zusammenfassung: A search for periodic gravitational waves, from sources such as isolated rapidly-spinning neutron stars, was carried out using 510 hours of data from the fourth LIGO science run (S4). The search was for quasi-monochromatic waves in the frequency range from 50 Hz to 1500 Hz, with a linear frequency drift f-dot (measured at the solar system barycenter) in the range -f/tau < f-dot < 0.1 f/tau, where the minimum spin-down age tau was 1000 years for signals below 300 Hz and 10000 years above 300 Hz. The main computational work of the search was distributed over approximately 100000 computers volunteered by the general public. This large computing power allowed the use of a relatively long coherent integration time of 30 hours, despite the large parameter space searched. No statistically significant signals were found. The sensitivity of the search is estimated, along with the fraction of parameter space that was vetoed because of contamination by instrumental artifacts. In the 100 Hz to 200 Hz band, more than 90% of sources with dimensionless gravitational wave strain amplitude greater than 1e-23 would have been detected.

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 Datum: 2009-01-20
 Publikationsstatus: Im Druck publiziert
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 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1103/PhysRevD.79.022001
eDoc: 377762
 Art des Abschluß: -

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Titel: Physical Review D
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 79 (2) Artikelnummer: 022001 Start- / Endseite: - Identifikator: ISSN: 0556-2821