Molar mass estimate of dark matter from the dark mass distribution measurements

Details Molar mass estimate of dark matter from the dark mass distribution measurements Molar mass estimate of dark matter from the dark mass distribution measurements

2003-01-24

arxiv.org/abs/astro-ph/0301503v3

Phys.Rev. D68 (2003) 063503

Astronomy and Astrophysics

Astrophysics

14 pages, 13 figures

Scientific paper

10.1103/PhysRevD.68.063503

We study the distribution of dark matter versus visible matter using a set of data obtained from strong gravitational lensing in the galaxy cluster CL0024+1654 and another set of data inferred from the universal rotation curves in spiral galaxies. The important feature of these two dramatically different observations is that the mass density profile of both visible and dark components can be estimated. From these measurements we deduce the mass of the dark matter particle and our estimate of the mass for the dark matter particle is $\mu_d \approx (200-800)$MeV. We contrast our estimates from CL0024+1654 data and the universal rotation curves of the spiral galaxies and discuss their consistency.

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