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Journal article
Search for cosmic strings in the Great Observatories Origins Deep Survey
Physical review. D, Particles, fields, gravitation, and cosmology, v 77(12), 123509
09 Jun 2008
Abstract
We search Hubble Space Telescope Treasury Program images collected as part of the Great Observatories Origins Deep Survey for pairs of galaxies consistent with the gravitational lensing signature of a cosmic string. Our technique includes estimates of the efficiency for finding the lensed galaxy pair. In the north (south) survey field we find no evidence out to a redshift of greater than 0.5 (0.3) for cosmic strings to a mass per unit length limit of G mu/c(2)< 3.0x10(-7) at 95% confidence limits (C.L.). In the combined 314.9 arcmin(2) of the north and south survey fields this corresponds to a global limit on Omega(strings)< 0.02. Our limit on G mu/c(2) is more than an order of magnitude lower than searches for individual strings in cosmic microwave background (CMB) data. Our limit is higher than other CMB and gravitational wave searches, however, we note that it is less model dependent than these other searches.
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Details
- Title
- Search for cosmic strings in the Great Observatories Origins Deep Survey
- Creators
- J. L. Christiansen - California Polytechnic State UniversityE. Albin - California Polytechnic State UniversityK. A. James - California Polytechnic State UniversityJ. Goldman - California Polytechnic State UniversityD. Maruyama - California Polytechnic State UniversityG. F. Smoot - California Polytechnic State University
- Publication Details
- Physical review. D, Particles, fields, gravitation, and cosmology, v 77(12), 123509
- Publisher
- Amer Physical Soc
- Number of pages
- 8
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000257290600028
- Scopus ID
- 2-s2.0-44949083393
- Other Identifier
- 991021862280804721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Astronomy & Astrophysics
- Physics, Particles & Fields