Hanna, Chad and Joshi, Prathamesh and Huxford, Rachael and Cannon, Kipp and Caudill, Sarah and Chan, Chiwai and Cousins, Bryce and Creighton, Jolien D. E. and Ewing, Becca and Fernandez, Miguel and Fong, Heather and Godwin, Patrick and Magee, Ryan and Meacher, Duncan and Messick, Cody and Morisaki, Soichiro and Mukherjee, Debnandini and Ohta, Hiroaki and Pace, Alexander and Privitera, Stephen and Sachdev, Surabhi and Sakon, Shio and Singh, Divya and Tapia, Ron and Tsukada, Leo and Tsuna, Daichi and Tsutsui, Takuya and Ueno, Koh and Viets, Aaron and Wade, Leslie and Wade, Madeline and Wang, Jonathan (2022) Metric assisted stochastic sampling search for gravitational waves from binary black hole mergers. Physical Review D, 106 (8). Art. No. 084033. ISSN 2470-0010. doi:10.1103/physrevd.106.084033. https://resolver.caltech.edu/CaltechAUTHORS:20221202-907217500.12
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Abstract
We present a novel gravitational-wave detection algorithm that conducts a matched-filter search stochastically across the compact binary parameter space rather than relying on a fixed bank of template waveforms. This technique is competitive with standard template-bank-driven pipelines in both computational cost and sensitivity. However, the complexity of the analysis is simpler, allowing for easy configuration and horizontal scaling across heterogeneous grids of computers. To demonstrate the method we analyze approximately one month of public LIGO data from July 27 00:00 2017 UTC–Aug 25 22:00 2017 UTC and recover eight known confident gravitational-wave candidates. We also inject simulated binary black hole signals to demonstrate the sensitivity.
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| Additional Information: | © 2022 American Physical Society. This research has made use of data, software and/or web tools obtained from the Gravitational Wave Open Science Center, a service of LIGO Laboratory, the LIGO Scientific Collaboration and the Virgo Collaboration. LIGO Laboratory and Advanced LIGO are funded by the United States National Science Foundation (NSF) as well as the Science and Technology Facilities Council (STFC) of the United Kingdom, the Max-Planck-Society (MPS), and the State of Niedersachsen/Germany for support of the construction of Advanced LIGO and construction and operation of the GEO600 detector. Additional support for Advanced LIGO was provided by the Australian Research Council. Virgo is funded, through the European Gravitational Observatory (EGO), by the French Centre National de Recherche Scientifique (CNRS), the Italian Istituto Nazionale di Fisica Nucleare (INFN) and the Dutch Nikhef, with contributions by institutions from Belgium, Germany, Greece, Hungary, Ireland, Japan, Monaco, Poland, Portugal, and Spain. This work was supported by National Science Foundation Grants No. OAC-1841480, No. PHY-2011865, and No. OAC-2103662. Computations for this research were performed on Pennsylvania State University’s Institute for Computational and Data Sciences gravitational-wave cluster. C. H. acknowledges generous support from the Eberly College of Science, the Department of Physics, the Institute for Gravitation and the Cosmos, the Institute for Computational and Data Sciences, and the Freed Early Career Professorship. | ||||||||||||||||||||||||||||||
| Group: | LIGO | ||||||||||||||||||||||||||||||
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| Issue or Number: | 8 | ||||||||||||||||||||||||||||||
| DOI: | 10.1103/physrevd.106.084033 | ||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20221202-907217500.12 | ||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20221202-907217500.12 | ||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||
| ID Code: | 118215 | ||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||
| Deposited By: | Research Services Depository | ||||||||||||||||||||||||||||||
| Deposited On: | 05 Jan 2023 23:32 | ||||||||||||||||||||||||||||||
| Last Modified: | 01 Jun 2023 23:13 |
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