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  Prospects for detecting gravitational waves at 5 Hz with ground-based detectors

Yu, H., Martynov, D., Vitale, S., Evans, M., Barr, B., Carbone, L., et al. (2018). Prospects for detecting gravitational waves at 5 Hz with ground-based detectors. Physical Review Letters, 120: 141102. doi:10.1103/PhysRevLett.120.141102.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7729-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-022A-C
Genre: Journal Article

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 Creators:
Yu, Hang, Author
Martynov, Denis, Author
Vitale, Salvatore, Author
Evans, Matthew, Author
Barr, Bryan, Author
Carbone, Ludovico, Author
Dooley, Katherine L., Author
Freise, Andreas, Author
Fulda, Paul, Author
Grote, Hartmut1, Author              
Hammond, Giles, Author
Hild, Stefan, Author
Hough, James, Author
Huttner, Sabina, Author
Mow-Lowry, Conor, Author
Rowan, Sheila, Author
Shoemaker, David, Author
Sigg, Daniel, Author
Sorazu, Borja, Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM, Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We propose an upgrade of Advanced LIGO (aLIGO), named LIGO-LF, that focuses on improving the sensitivity in the 5-30 Hz low-frequency band, and we explore the upgrade's astrophysical applications. We present a comprehensive study of the detector's technical noises, and show that with the new technologies such as interferometrically-sensed seismometers and balanced-homodyne readout, LIGO-LF can reach the fundamental limits set by quantum and thermal noises down to 5 Hz. These technologies are also directly applicable to the future generation of detectors. LIGO-LF can observe a rich array of astrophysical sources such as binary black holes with total mass up to 2000 M_\odot. The horizon distance of a single LIGO-LF detector will be z ~ 6, greatly exceeding aLIGO's reach. Additionally, for a given source the chirp mass and total mass can be constrained 2 times better, and the effective spin 3-5 times better, than aLIGO. The total number of detected merging black holes will increase by a factor of 16 compared with aLIGO. Meanwhile, LIGO-LF will also significantly enhance the probability of detecting other astrophysical phenomena including the gravitational memory effects and the neutron star r-mode resonances.

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 Dates: 2017-12-142018
 Publication Status: Published in print
 Pages: 5 pages, 6 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1712.05417
URI: http://arxiv.org/abs/1712.05417
DOI: 10.1103/PhysRevLett.120.141102
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 120 Sequence Number: 141102 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1