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IRIS
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.
Null, N., Null, N., Null, N., Abbott, R., Abe, H., Acernese, F., et al. (2022). First joint observation by the underground gravitational-wave detector KAGRA with GEO 600. PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 2022(6) [10.1093/ptep/ptac073].
First joint observation by the underground gravitational-wave detector KAGRA with GEO 600
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Y;Zhao, Yue;Zhou, R;Zhou, Z;Zhu, X J;Zhu, Z-H;Zimmerman, A B;Zucker, M E;Zweizig, J
2022-01-01
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.
Settore PHYS-01/A - Fisica sperimentale delle interazioni fondamentali e applicazioni
English
Con Impact Factor ISI
Expectation and estimation of gravitational radiation; Calibration and operation of gravitational wave detector; Network system, coincident signal in other radiation bands; Other topics
Null, N., Null, N., Null, N., Abbott, R., Abe, H., Acernese, F., et al. (2022). First joint observation by the underground gravitational-wave detector KAGRA with GEO 600. PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 2022(6) [10.1093/ptep/ptac073].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/393784
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