Flavor and CP conserving moduli mediated SUSY breaking in flux compactification

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In certain class of flux compactification, moduli mediated supersymmetry (SUSY) breaking preserves flavor and CP at leading order in the perturbative expansion controlled by the vacuum expectation value of the messenger modulus. Nevertheless there still might be dangerous flavor or CP violation induced by higher order Kahler potential. We examine the constraints on such SUSY breaking scheme imposed by low energy flavor and/or CP violating observables. It is found that all phenomenological constraints can be satisfied even for generic form of higher order Kahler potential and sparticle spectra in the sub-TeV range, under plausible assumptions on the size of higher order correction and flavor mixing angles. This implies for instance that mirage mediation scheme of SUSY breaking, which involves such modulus mediation together with an anomaly mediation of comparable size, and also the modulus-dominated mediation realized in flux compactification can be free from the SUSY flavor and CP problems, while giving gaugino and sfermion masses in the sub-TeV range.
Publisher
SPRINGER
Issue Date
2008-07
Language
English
Article Type
Article
Keywords

DYNAMICAL SUPERSYMMETRY BREAKING; STANDARD MODEL; STRING THEORY; LOCAL SUPERSYMMETRY; SUPERGRAVITY THEORY; SUPERSTRING MODELS; ABELIAN SYMMETRY; NATURAL SOLUTION; YUKAWA TEXTURES; FERMION MASSES

Citation

JOURNAL OF HIGH ENERGY PHYSICS

ISSN
1126-6708
URI
http://hdl.handle.net/10203/91467
Appears in Collection
PH-Journal Papers(저널논문)
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