Phenomenology of mixed modulus-anomaly mediation in fluxed string compactifications and brane models

Details Phenomenology of mixed modulus-anomaly mediation in fluxed string compactifications and brane models Phenomenology of mixed modulus-anomaly mediation in fluxed string compactifications and brane models

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..805..330o&link_type=abstract

PARTICLES, STRINGS, AND COSMOLOGY: 11th International Symposium on Particles, Strings, and Cosmology; PASCOS 2005. AIP Conferen

Physics

Compactification And Four-Dimensional Models, String And Brane Phenomenology

Scientific paper

We examine low energy sparticle mass-spectrum and electroweak symmetry breaking in the mixed modulus-anomaly mediation which is naturally realized in KKLT flux compactification. We find that the anomaly-mediation effectively lowers messenger scale in the moduli-mediation and leads to `squeezed' mass-spectrum distinct from any known mediation mechanisms. The lightest neutralino typically becomes a mixed state of bino and higgsino or pure higgsino, which has a considerable impact on the cold dark matter physics.

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