AAS 203rd Meeting, January 2004
Session 89 Galaxy Clusters at High Redshift
Poster, Wednesday, January 7, 2004, 9:20am-6:30pm, Grand Hall

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[89.08] Dark Matter Properties and the Structure of Galaxy Clusters

J. S. Arabadjis, M. W. Bautz (MIT)

Over the past decade, laboratory experiments, large-scale computer simulations and observational cosmology have begun to constrain the non-gravitational properties of dark matter particles, specifically their cross section for baryonic and self-interaction. We use a sample of carefully-selected, highly-relaxed galaxy clusters to constrain the strength of dark matter self-interaction. We also report structural parameters for this cluster sample, and discuss the implications for our understanding of large-scale structure formation.

This work was supported by SAO Grant AR3-4016X.

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.