Skip navigation
Skip navigation

Search for the isotropic stochastic background using data from Advanced LIGO's second observing run

Altin, Paul; Abbott, B. P.; Abbott, Richard; Abbott, T; Abraham, S; Acernese, Fausto; Ackley, K; Adams, C; Adya, V; Affeldt, C; Agathos, M.; Forsyth, Perry; Holland, Nathan; Kijbunchoo, Nutsinee; Manske, Michael; McClelland, David; McManus, David; McRae, Terry; Scott, Susan M.; Shaddock, Daniel; Slagmolen, Bram; Ward, Robert; Wette, Karl; Yap, Min Jet

Description

The stochastic gravitational-wave background is a superposition of sources that are either too weak or too numerous to detect individually. In this study, we present the results from a cross-correlation analysis on data from Advanced LIGO’s second observing run (O2), which we combine with the results of the first observing run (O1). We do not find evidence for a stochastic background, so we place upper limits on the normalized energy density in gravitational waves at the 95% credible level of...[Show more]

dc.contributor.authorAltin, Paul
dc.contributor.authorAbbott, B. P.
dc.contributor.authorAbbott, Richard
dc.contributor.authorAbbott, T
dc.contributor.authorAbraham, S
dc.contributor.authorAcernese, Fausto
dc.contributor.authorAckley, K
dc.contributor.authorAdams, C
dc.contributor.authorAdya, V
dc.contributor.authorAffeldt, C
dc.contributor.authorAgathos, M.
dc.contributor.authorForsyth, Perry
dc.contributor.authorHolland, Nathan
dc.contributor.authorKijbunchoo, Nutsinee
dc.contributor.authorManske, Michael
dc.contributor.authorMcClelland, David
dc.contributor.authorMcManus, David
dc.contributor.authorMcRae, Terry
dc.contributor.authorScott, Susan M.
dc.contributor.authorShaddock, Daniel
dc.contributor.authorSlagmolen, Bram
dc.contributor.authorWard, Robert
dc.contributor.authorWette, Karl
dc.contributor.authorYap, Min Jet
dc.date.accessioned2021-04-21T23:12:40Z
dc.date.available2021-04-21T23:12:40Z
dc.identifier.issn2470-0010
dc.identifier.urihttp://hdl.handle.net/1885/230746
dc.description.abstractThe stochastic gravitational-wave background is a superposition of sources that are either too weak or too numerous to detect individually. In this study, we present the results from a cross-correlation analysis on data from Advanced LIGO’s second observing run (O2), which we combine with the results of the first observing run (O1). We do not find evidence for a stochastic background, so we place upper limits on the normalized energy density in gravitational waves at the 95% credible level of ΩGW < 6.0 × 10−8 for a frequency-independent (flat) background and ΩGW < 4.8 × 10−8 at 25 Hz for a background of compact binary coalescences. The upper limit improves over the O1 result by a factor of 2.8. Additionally, we place upper limits on the energy density in an isotropic background of scalar- and vector-polarized gravitational waves, and we discuss the implication of these results for models of compact binaries and cosmic string backgrounds. Finally, we present a conservative estimate of the correlated broadband noise due to the magnetic Schumann resonances in O2, based on magnetometer measurements at both the LIGO Hanford and LIGO Livingston observatories. We find that correlated noise is well below the O2 sensitivity.
dc.format.mimetypeapplication/pdf
dc.language.isoen_AU
dc.publisherAmerican Physical Society
dc.rights© 2019 American Physical Society
dc.sourcePhysical Review D
dc.source.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.100.061101
dc.titleSearch for the isotropic stochastic background using data from Advanced LIGO's second observing run
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume100
dc.date.issued2019
local.identifier.absfor020105 - General Relativity and Gravitational Waves
local.identifier.absfor020604 - Quantum Optics
local.identifier.absfor020102 - Astronomical and Space Instrumentation
local.identifier.ariespublicationu6269649xPUB919
local.publisher.urlhttps://journals.aps.org
local.type.statusPublished Version
local.contributor.affiliationAltin, Paul, College of Science, ANU
local.contributor.affiliationAbbott, B. P., California Institute of Technology
local.contributor.affiliationAbbott, Richard, California Institute of Technology
local.contributor.affiliationAbbott, T, Louisiana State University
local.contributor.affiliationAbraham, S, Inter-University Centre for Astronomy and Astrophysics
local.contributor.affiliationAcernese, Fausto, Universita di Salerno
local.contributor.affiliationAckley, K, Monash University
local.contributor.affiliationAdams, C, LIGO-Livingston Observatory
local.contributor.affiliationAdya, V, Max-Planck-Institut für, Gravitationsphysik
local.contributor.affiliationAffeldt, C, Max Planck Institute for Gravitational Physics
local.contributor.affiliationAgathos, M., University of Cambridge
local.contributor.affiliationForsyth, Perry, College of Science, ANU
local.contributor.affiliationHolland, Nathan, College of Science, ANU
local.contributor.affiliationKijbunchoo, Nutsinee, College of Science, ANU
local.contributor.affiliationManske, Michael, College of Science, ANU
local.contributor.affiliationMcClelland, David, College of Science, ANU
local.contributor.affiliationMcManus, David, College of Science, ANU
local.contributor.affiliationMcRae, Terry, College of Science, ANU
local.contributor.affiliationScott, Susan M, College of Science, ANU
local.contributor.affiliationShaddock, Daniel, College of Science, ANU
local.contributor.affiliationSlagmolen, Bram, College of Science, ANU
local.contributor.affiliationWard, Robert, College of Science, ANU
local.contributor.affiliationWette, Karl, College of Science, ANU
local.contributor.affiliationYap, Min Jet, College of Science, ANU
local.bibliographicCitation.issue061101(R)
local.identifier.doi10.1103/PhysRevD.100.061101
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
dc.date.updated2020-11-22T07:54:16Z
local.identifier.scopusID2-s2.0-85072995802
dcterms.accessRightsOpen Access
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/32263..."published version can be archived in institutional repository"" from Sherpa/Romeo site as at 22/04/2021
CollectionsANU Research Publications

Download

File Description SizeFormat Image
01_Altin_Search_for_the_isotropic_2019.pdf811.88 kBAdobe PDFThumbnail


Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.

Updated:  19 May 2020/ Responsible Officer:  University Librarian/ Page Contact:  Library Systems & Web Coordinator