Computer Science
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005pasc.conf..135i&link_type=abstract
PASCOS 2004 Part I: Particles, Strings and Cosmology* Part II: Themes in Unification -- The Pran Nath Festschrift†. *,†Proceedin
Computer Science
Scientific paper
We compute the supersymmetric QCD corrections to the quark-squark-chargino and quark-squark-neutralino interactions in the presence of SUSY CP phases. The analysis includes one loop diagrams arising from the exchange of gluinos, charged Higgs and neutral Higgs. We then apply the effective lagrangian to investigate the effect of CP phases on the fermionic decay of the third generation squarks into charginos and neutralinos. We find that the CP phases can increase or decrease the decay rates. The inclusion of radiative corrections can bring new phase dependences of the decay rates which were absent in the tree level analysis. One of these phases is ξ3 of the SUSY QCD sector. In the region of the parameter space studied we found that the numerical size of the corrections can be as large as 50%. The variation of the corrected decay rates with ξ3 is found to be significant. The EDM constraints are satisfied using the cancellation mechanism.
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