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The Atacama Cosmology Telescope: a measurement of the primordial power spectrum

Abstract:

We present constraints on the primordial power spectrum of adiabatic fluctuations using data from the 2008 Southern Survey of the Atacama Cosmology Telescope (ACT). The angular resolution of ACT provides sensitivity to scales beyond \ell = 1000 for resolution of multiple peaks in the primordial temperature power spectrum, which enables us to probe the primordial power spectrum of adiabatic scalar perturbations with wavenumbers up to k \simeq 0.2 Mpc^{-1}. We find no evidence for deviation fro...

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Publication status:
Published

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Publisher copy:
10.1088/0004-637X/749/1/90

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Publisher:
Institute of Physics Publishing
Journal:
ASTROPHYSICAL JOURNAL More from this journal
Volume:
749
Issue:
1
Pages:
90-90
Publication date:
2011-05-24
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Language:
English
Keywords:
Pubs id:
pubs:207690
UUID:
uuid:28289ded-9aaf-4f84-9a23-c40548d62d0c
Local pid:
pubs:207690
Source identifiers:
207690
Deposit date:
2012-12-19

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