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Systematic and statistical errors in a Bayesian approach to the estimation of the neutron-star equation of state using advanced gravitational wave detectors

Wade, Leslie and Creighton, Jolien D. E. and Ochsner, Evan and Lackey, Benjamin D. and Farr, Benjamin F. and Littenberg, Tyson B. and Raymond, Vivien (2014) Systematic and statistical errors in a Bayesian approach to the estimation of the neutron-star equation of state using advanced gravitational wave detectors. Physical Review D, 89 (10). Art. No. 103012. ISSN 0556-2821. http://resolver.caltech.edu/CaltechAUTHORS:20140627-142516992

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Abstract

Advanced ground-based gravitational-wave detectors are capable of measuring tidal influences in binary neutron-star systems. In this work, we report on the statistical uncertainties in measuring tidal deformability with a full Bayesian parameter estimation implementation. We show how simultaneous measurements of chirp mass and tidal deformability can be used to constrain the neutron-star equation of state. We also study the effects of waveform modeling bias and individual instances of detector noise on these measurements. We notably find that systematic error between post-Newtonian waveform families can significantly bias the estimation of tidal parameters, thus motivating the continued development of waveform models that are more reliable at high frequencies.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevD.89.103012DOIArticle
http://journals.aps.org/prd/abstract/10.1103/PhysRevD.89.103012PublisherArticle
http://arxiv.org/abs/1402.5156arXivArticle
Additional Information:© 2014 American Physical Society. Received 21 February 2014; published 23 May 2014. L.W. would like to thank Madeline Wade, Will Farr, Chris Pankow, John Friedman, David Kaplan, Justin Ellis, and Richard O’Shaughnessy for helpful discussions. This work was partially funded by the NSF through grant numbers PHY-0970074 and PHYS-1307429, and through CAREER award number PHY-0955929. This work required the extensive use of the Nemo computer cluster supported by the NSF under grant number PHY-0923409.
Funders:
Funding AgencyGrant Number
NSFPHY-0970074
NSFPHYS-1307429
NSF CAREERPHY-0955929
NSFPHY-0923409
Classification Code:PACS: 95.85.Sz, 26.60.Kp
Record Number:CaltechAUTHORS:20140627-142516992
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140627-142516992
Official Citation:Wade, L., Creighton, J. D. E., Ochsner, E., Lackey, B. D., Farr, B. F., Littenberg, T. B., & Raymond, V. (2014). Systematic and statistical errors in a Bayesian approach to the estimation of the neutron-star equation of state using advanced gravitational wave detectors. Physical Review D, 89(10), 103012.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46558
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:28 Jun 2014 00:43
Last Modified:28 Jun 2014 04:03

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