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  Cost-benefit analysis for commissioning decisions in GEO600

Adams, T., Leong, J. R., Slutsky, J., Was, M., Affeldt, C., Degallaix, J., et al. (2015). Cost-benefit analysis for commissioning decisions in GEO600. Classical and quantum gravity, 32: 135014. doi:10.1088/0264-9381/32/13/135014.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-BCCF-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-3BC2-0
Genre: Journal Article

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Adams, T., Author
Leong, J. R.1, Author              
Slutsky, J., Author
Was, M.2, Author              
Affeldt, C.3, Author              
Degallaix, J.3, Author              
Dooley, K.3, Author              
Grote, H.3, Author              
Hild, S.3, Author              
Lueck, H.3, Author              
Macleod, D. M., Author
Nuttall, L. K., Author
Prijatelj, M.3, Author              
Schreiber, E., Author
Sorazu, B., Author
Strain, K. A.3, Author              
Sutton, P. J., Author
Vahlbruch, H.3, Author              
Witte, H., Author
Danzmann, K.3, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              
2Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, escidoc:24010              
3Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24010              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc, Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: Gravitational wave interferometers are complex instruments, requiring years of commissioning to achieve the required sensitivities for the detection of gravitational waves, of order 10^-21 in dimensionless detector strain, in the tens of Hz to several kHz frequency band. Investigations carried out by the GEO600 detector characterisation group have shown that detector characterisation techniques are useful when planning for commissioning work. At the time of writing, GEO600 is the only large scale laser interferometer currently in operation running with a high duty factor, 70%, limited chiefly by the time spent commissioning the detector. The number of observable gravitational wave sources scales as the product of the volume of space to which the detector is sensitive and the observation time, so the goal of commissioning is to improve the detector sensitivity with the least possible detector down time. We demonstrate a method for increasing the number of sources observable by such a detector, by assessing the severity of non-astrophysical noise contaminations to efficiently guide commissioning. This method will be particularly useful in the early stages and during the initial science runs of the aLIGO and adVirgo detectors, as they are brought up to design performance.

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 Dates: 2015-01-032015
 Publication Status: Published in print
 Pages: 18 pages, 17 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1501.00571
DOI: 10.1088/0264-9381/32/13/135014
URI: http://arxiv.org/abs/1501.00571
 Degree: -

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Title: Classical and quantum gravity
Source Genre: Journal
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Publ. Info: Bristol, U.K. : Institute of Physics
Pages: - Volume / Issue: 32 Sequence Number: 135014 Start / End Page: - Identifier: ISSN: 0264-9381
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925513480_1