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Journal articles
Parity Violation Constraints Using Cosmic Microwave Background Polarization Spectra from 2006 and 2007 Observations by the QUaD Polarimeter
E.Y.S. Wu
P. Ade
J. Bock
M. Bowden
M. L. Brown
G. Cahill
P. G. Castro
S. Church
T. Culverhouse
R. B. Friedman
K. Ganga
1
W. K. Gear
S. Gupta
J. Hinderks
J. Kovac
A. E. Lange
E. Leitch
S. J. Melhuish
Y. Memari
J. A. Murphy
A. Orlando
L. Piccirillo
C. Pryke
N. Rajguru
B. Rusholme
R. Schwarz
C. O'Sullivan
A. N. Taylor
K. L. Thompson
A. H. Turner
M. Zemcov
1
APC - Cosmologie (France)
- APC (UMR_7164) - AstroParticule et Cosmologie (APC - UMR 7164, Université Paris Diderot, 10 rue Alice Domon et Léonie Duquet, case postale 7020, F-75205 Paris Cedex 13 - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- CNRS - Centre National de la Recherche Scientifique : UMR_7164 (France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives : DRF/IRFU (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- UPD7 - Université Paris Diderot - Paris 7 : UMR_7164 (5 rue Thomas-Mann - 75205 Paris cedex 13 - France)
Abstract : We constrain parity-violating interactions to the surface of last scattering using spectra from the QUaD experiment's second and third seasons of observations by searching for a possible systematic rotation of the polarization directions of cosmic microwave background photons. We measure the rotation angle due to such a possible "cosmological birefringence" to be 0.55°±0.82° (random) ±0.5° (systematic) using QUaD's 100 and 150 GHz temperature-curl and gradient-curl spectra over the spectra over the multipole range 200<ℓ<2000, consistent with null, and constrain Lorentz-violating interactions to <2×10-43GeV (68% confidence limit). This is the best constraint to date on electrodynamic parity violation on cosmological scales.
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Journal articles
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http://hal.in2p3.fr/in2p3-00356690
Contributor : Simone Lantz <>
Submitted on : Wednesday, January 28, 2009 - 11:46:10 AM
Last modification on : Saturday, September 19, 2020 - 4:52:37 AM
Contributor : Simone Lantz <>
Submitted on : Wednesday, January 28, 2009 - 11:46:10 AM
Last modification on : Saturday, September 19, 2020 - 4:52:37 AM
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- HAL Id : in2p3-00356690, version 1
- BIBCODE : 2009PhRvL.102p1302W
- ARXIV : 0811.0618
- DOI : 10.1103/PHYSREVLETT.102.161302
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E.Y.S. Wu, P. Ade, J. Bock, M. Bowden, M. L. Brown, et al.. Parity Violation Constraints Using Cosmic Microwave Background Polarization Spectra from 2006 and 2007 Observations by the QUaD Polarimeter. Physical Review Letters, American Physical Society, 2009, 102, pp.161302. ⟨10.1103/PHYSREVLETT.102.161302⟩. ⟨in2p3-00356690⟩
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