Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101239
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dc.contributor.authorAbbott, B.en
dc.contributor.authorAbbott, R.en
dc.contributor.authorAbbott, T.en
dc.contributor.authorAbernathy, M.en
dc.contributor.authorAcernese, F.en
dc.contributor.authorAckley, K.en
dc.contributor.authorAdams, C.en
dc.contributor.authorAdams, T.en
dc.contributor.authorAddesso, P.en
dc.contributor.authorAdhikari, R.en
dc.contributor.authorAdya, V.en
dc.contributor.authorAffeldt, C.en
dc.contributor.authorAgathos, M.en
dc.contributor.authorAgatsuma, K.en
dc.contributor.authorAggarwal, N.en
dc.contributor.authorAguiar, O.en
dc.contributor.authorAiello, L.en
dc.contributor.authorAin, A.en
dc.contributor.authorAjith, P.en
dc.contributor.authorAllen, B.en
dc.contributor.authoret al.en
dc.date.issued2016en
dc.identifier.citationPhysical Review Letters, 2016; 116(22):221101-1-221101-19en
dc.identifier.issn0031-9007en
dc.identifier.issn1079-7114en
dc.identifier.urihttp://hdl.handle.net/2440/101239-
dc.description.abstractThe LIGO detection of GW150914 provides an unprecedented opportunity to study the two-body motion of a compact-object binary in the large-velocity, highly nonlinear regime, and to witness the final merger of the binary and the excitation of uniquely relativistic modes of the gravitational field. We carry out several investigations to determine whether GW150914 is consistent with a binary black-hole merger in general relativity. We find that the final remnant's mass and spin, as determined from the low-frequency (inspiral) and high-frequency (postinspiral) phases of the signal, are mutually consistent with the binary black-hole solution in general relativity. Furthermore, the data following the peak of GW150914 are consistent with the least-damped quasinormal mode inferred from the mass and spin of the remnant black hole. By using waveform models that allow for parametrized general-relativity violations during the inspiral and merger phases, we perform quantitative tests on the gravitational-wave phase in the dynamical regime and we determine the first empirical bounds on several high-order post-Newtonian coefficients. We constrain the graviton Compton wavelength, assuming that gravitons are dispersed in vacuum in the same way as particles with mass, obtaining a 90%-confidence lower bound of 10^{13}  km. In conclusion, within our statistical uncertainties, we find no evidence for violations of general relativity in the genuinely strong-field regime of gravity.en
dc.description.statementofresponsibilityB.P. Abbot ... S.E. Hollitt ...D.J. Hosken ... E.J. King ... J. Munch ..D. J. Ottaway ... . P.J. Veitch ... et al. (LIGO Scientific and Virgo Collaborations)en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rights© 2016 American Physical Societyen
dc.subjectLIGO Scientific and Virgo Collaborationsen
dc.titleTests of General Relativity with GW150914en
dc.typeJournal articleen
dc.identifier.rmid0030049295en
dc.identifier.doi10.1103/PhysRevLett.116.221101en
dc.identifier.pubid253974-
pubs.library.collectionIPAS publicationsen
pubs.library.teamDS07en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:IPAS publications

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