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Keywords = comsology

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11 pages, 471 KB  
Article
Testing Screening Mechanisms with Mass Profiles of Galaxy Clusters
by Lorenzo Pizzuti
Universe 2022, 8(3), 157; https://doi.org/10.3390/universe8030157 - 1 Mar 2022
Cited by 2 | Viewed by 2306
Abstract
We present MG-MAMPOSSt, a license-free code to constrain modified gravity models by reconstructing the mass profile of galaxy clusters with the kinematics of the cluster’s member galaxies. We describe the main features of the code and we show the capability of the [...] Read more.
We present MG-MAMPOSSt, a license-free code to constrain modified gravity models by reconstructing the mass profile of galaxy clusters with the kinematics of the cluster’s member galaxies. We describe the main features of the code and we show the capability of the method when the kinematic information is combined with lensing data. We discuss recent results and forecasts on two classes of models currently implemented in the code, characterized by different screening mechanisms, namely, chameleon and Vainshtein screening. We further explore the impact of possible systematics in view of application to the data from upcoming surveys. Full article
(This article belongs to the Special Issue Alternative Gravities and Fundamental Cosmology)
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