First joint observation by the underground gravitational-wave detector KAGRA with GEO 600

The LIGO Scientific Collaboration, The Virgo Collaboration, The KAGRA Collaboration

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

We report the results of the first joint observation of the KAGRA detector with GEO 600. KAGRA is a cryogenic and underground gravitational-wave detector consisting of a laser interferometer with 3 km arms, located in Kamioka, Gifu, Japan. GEO 600 is a British-German laser interferometer with 600 m arms, located near Hannover, Germany. GEO 600 and KAGRA performed a joint observing run from April 7 to 20, 2020. We present the results of the joint analysis of the GEO-KAGRA data for transient gravitational-wave signals, including the coalescence of neutron-star binaries and generic unmodeled transients. We also perform dedicated searches for binary coalescence signals and generic transients associated with gamma-ray burst events observed during the joint run. No gravitational-wave events were identified. We evaluate the minimum detectable amplitude for various types of transient signals and the spacetime volume for which the network is sensitive to binary neutron-star coalescences. We also place lower limits on the distances to the gamma-ray bursts analyzed based on the non-detection of an associated gravitational-wave signal for several signal models, including binary coalescences. These analyses demonstrate the feasibility and utility of KAGRA as a member of the global gravitational-wave detector network.

Original languageEnglish
Article number063F01
JournalProgress of Theoretical and Experimental Physics
Volume2022
Issue number6
DOIs
StatePublished - 1 Jun 2022
Externally publishedYes

Funding

FundersFunder number
Council of Scientific and Industrial Research, India
Ministry of Education, India
Australian Research Council
ICTP South American Institute for Fundamental Research
National Research Foundation of Korea
Narodowe Centrum Nauki
Scottish Universities Physics Alliance
National Science Foundation
Science and Technology Facilities Council
Ministry of Science, ICT and Future Planning
Scottish Funding Council
Actions de Recherche Concertées
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Ministerio de Ciencia e Innovación
Ministry of Science and Technology, Taiwan
French Lyon Institute of Origins
Leverhulme Trust
Science and Engineering Research Board
Generalitat de Catalunya
Instituto Nazionale di Fisica Nucleare
Conselleria de Fons Europeus, Universitat i Cultura
Department of Science and Technology, Ministry of Science and Technology, India
Centre National de la Recherche Scientifique
Max-Planck-Gesellschaft
Canada Foundation for Innovation
Kavli Foundation
Nemzeti Kutatási Fejlesztési és Innovációs Hivatal
KISTI-GSDC
European Commission
European Social Fund
Russian Foundation for Basic Research
NK-FIH
U.S. Department of Energy
Brazilian Ministry of Science, Technology, and Innovations
Agencia Estatal de Investigación
Natural Sciences and Engineering Research Council of Canada
Research Grants Council, University Grants Committee
Direcció General de Política Universitària i Recerca, Govern Illes Balears
Russian Science Foundation
College of Natural Resources and Sciences, Humboldt State University
Advanced Technology Center
Fonds Wetenschappelijk Onderzoek - Vlaanderen
Fundacja na rzecz Nauki Polskiej
Hungarian Scientific Research Fund
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Fonds De La Recherche Scientifique - FNRS
Conselleria de Innovación, Universidades, Ciencia y Sociedad Digital, Generalitat Valenciana
Royal Society
National Research Foundation
European Regional Development Fund
Ministerio de Universidades
University of Tokyo
Istituto Nazionale di Fisica Nucleare
Ministry of Education, Culture, Sports, Science and Technology
Korea Astronomy and Space Science Institute
National Natural Science Foundation of China
Japan Society for the Promotion of Science18K03630, 17H06133, JP20H05854, JP17H06361, 20A203, JP17H06364, JP17H06358, 20H05639
Fundação para a Ciência e a TecnologiaIncentivo/SAU/LA0001/2013
Academia SinicaAS-CDA-105-M06

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