Analysis of Rotation Curves in the Framework of the Gravitational Suppression Model

Details Analysis of Rotation Curves in the Framework of the Gravitational Suppression Model Analysis of Rotation Curves in the Framework of the Gravitational Suppression Model

2006-11-02

arxiv.org/abs/hep-ph/0611028v2

Phys.Rev.Lett.98:151301,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, 1 table

Scientific paper

10.1103/PhysRevLett.98.151301

We present an analysis of suitable rotation curves (RCs) of eight galaxies, aimed at checking the consistency and universality of the gravitational suppression (GraS) hypothesis, a phenomenological model for a new interaction between dark matter and baryons. Motivated by the puzzle of the core versus cusp distribution of dark matter in the center of halos, this hypothesis claims to reconcile the predictions from N-body \Lambda cold dark matter simulations with kinematic observations. The GraS model improves the kinematic fitting residuals, but the mass parameters are unphysical and put the theory in difficulty.

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