Effects of supersymmetric threshold corrections on high-scale flavour textures View Full Text


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Article Info

DATE

2008-03-07

AUTHORS

Altan Çakir, Levent Solmaz

ABSTRACT

Integration of superpartners out of the spectrum induces potentially large contributions to Yukawa couplings. Supersymmetric threshold corrections therefore influence the CKM matrix prediction in a non-trivial way. We study the effects of threshold corrections on high-scale flavor structures specified at the gauge coupling unification scale in supersymmetry. We first consider high-scale Yukawa textures which qualify as phenomenologically viable at tree level, and find that they are disqualified after incorporating the threshold corrections. Next, we consider Yukawa couplings, such as those with five texture zeroes, which are incapable of explaining flavor-changing processes. Incorporating threshold corrections, however, makes them phenomenologically viable textures. Therefore, supersymmetric threshold corrections are found to have an observable impact on Yukawa couplings of quarks, and any confrontation of high-scale textures with experiments at the weak scale must take into account such corrections.PACS Codes: 12.60.Jv, 12.15.Hh More... »

PAGES

2

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Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/1754-0410-2-2

DOI

http://dx.doi.org/10.1186/1754-0410-2-2

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