Article ; Online: Internal Delensing of Cosmic Microwave Background Polarization B-Modes with the POLARBEAR Experiment.
2020 Volume 124, Issue 13, Page(s) 131301
Abstract: ... B-mode polarization delensing on subdegree scales at more than 5σ significance. We achieve a 14% B ... paving the way for the optimal analysis of next-generation primordial B-mode experiments. ...
Abstract | Using only cosmic microwave background polarization data from the polarbear experiment, we measure B-mode polarization delensing on subdegree scales at more than 5σ significance. We achieve a 14% B-mode power variance reduction, the highest to date for internal delensing, and improve this result to 22% by applying for the first time an iterative maximum a posteriori delensing method. Our analysis demonstrates the capability of internal delensing as a means of improving constraints on inflationary models, paving the way for the optimal analysis of next-generation primordial B-mode experiments. |
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Language | English |
Publishing date | 2020-04-17 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 208853-8 |
ISSN | 1079-7114 ; 0031-9007 |
ISSN (online) | 1079-7114 |
ISSN | 0031-9007 |
DOI | 10.1103/PhysRevLett.124.131301 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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