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

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arxiv astro-ph/0301503 v3 pith:DQEXZ2LH submitted 2003-01-24 astro-ph

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

classification astro-ph
keywords darkmassmatterdatacl0024curvesdistributionestimate
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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