CP violation and CKM predictions from Discrete Torsion

Details CP violation and CKM predictions from Discrete Torsion CP violation and CKM predictions from Discrete Torsion

2002-05-03

arxiv.org/abs/hep-th/0205031v4

Nucl.Phys. B651 (2003) 191-210

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, 8 figures, 1 Table. Significant modifications and generalisation. Version to be published

Scientific paper

10.1016/S0550-3213(02)01121-5

We present a supersymmetric D-brane model that has CP spontaneously broken by discrete torsion. The low energy physics is largely independent of the compactification scheme and the kahler metric has `texture zeros' dictated by the choice of discrete torsion. This motivates a simple ansatz for the kahler metric which results in a CKM matrix given in terms of two free parameters, hence we predict a single mixing angle and the CKM phase. The CKM phase is predicted to be close to Pi/3.

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