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Integration of superpartners out of the spectrum induces potentially largecontributions to Yukawa couplings. These corrections, the supersymmetricthreshold corrections, therefore influence the CKM matrix prediction in anon-trivial way. We study effects of threshold corrections on high-scale flavorstructures specified at the gauge coupling unification scale in supersymmetry.In our analysis, we first consider high-scale Yukawa textures which qualifyphenomenologically viable at tree level, and find that they get completelydisqualified after incorporating the threshold corrections. Next, we considerYukawa couplings, such as those with five texture zeroes, which are incapableof explaining flavor-changing proceses. Incorporation of threshold corrections,however, makes them phenomenologically viable textures. Therefore,supersymmetric threshold corrections are found to leave observable impact onYukawa couplings of quarks, and any confrontation of high-scale textures withexperiments at the weak scale must take into account such corrections.Comment: 25 pages, submitted to JHE

Effects of supersymmetric threshold corrections on high-scale flavour textures