New Constraints on Spatial Variations of the Fine Structure Constant from Clusters of Galaxies

New Constraints on Spatial Variations of the Fine Structure Constant from Clusters of Galaxies

We have constrained the spatial variation of the fine structure constant using multi-frequency measurements of the thermal Sunyaev-Zeldovich effect of 618 X-ray selected clusters. Although our results are not competitive with the ones from quasar absorption lines, we improved by a factor 10 and ∼2.5...

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Bibliographic Details
Main Authors:	Ivan De Martino, Carlos J. A. P. Martins, Harald Ebeling, Dale Kocevski
Format:	Article
Language:	English
Published:	MDPI AG 2016-12-01
Series:	Universe
Subjects:	cluster of galaxies Cosmic Microwave Background varying fine structure constant Sunyaev-Zeldovich effect
Online Access:	http://www.mdpi.com/2218-1997/2/4/34

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