Neutralino-Neutralino Annihilation to γZ in MSSM

Details Neutralino-Neutralino Annihilation to γZ in MSSM Neutralino-Neutralino Annihilation to γZ in MSSM

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007idm..conf..350d&link_type=abstract

THE IDENTIFICATION OF DARK MATTER. Proceedings of the Sixth International Workshop. Held 11-16 September 2006 in Rhodes, Greece.

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The complete 1-loop computation of the processes ˜ {\chi}0i˜ {\chi}0j -> γ Z has been performed at an arbitrary c.m. energy for any pair of MSSM neutralinos. As an application suitable for Dark Matter (DM) searches, the neutralino-neutralino annihilation is studied at the limiting case vij → 0 describing the present DM distribution in the galactic halo, and at vij ≃ 0.5, determining the neutralino relic density contributions. Our results led to the FORTRAN code PLATONd-mgZ, which may be used for any set of real MSSM parameters. A sample of 6 MSSM models taken, already used in literature and effectively describing the various possible neutralino properties. A comparison with other existing works has also been made.

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