Phenomenological Consequences of Right-handed Down Squark Mixings

Details Phenomenological Consequences of Right-handed Down Squark Mixings Phenomenological Consequences of Right-handed Down Squark Mixings

2000-05-02

arxiv.org/abs/hep-ph/0005015v2

Phys.Rev.Lett. 86 (2001) 2728-2731

Physics

High Energy Physics

High Energy Physics - Phenomenology

Version to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.86.2728

The mixings of $d_R$ quarks, hidden from view in Standard Model (SM), are naturally the largest if one has an Abelian flavor symmetry. With supersymmetry (SUSY) their effects can surface via $\tilde d_R$ squark loops. Squark and gluino masses are at TeV scale, but they can still induce effects comparable to SM in $B_d$ (or $B_s$) mixings, while $D^0$ mixing could be close to recent hints from data. In general, CP phases would be different from SM, as may be indicated by recent B Factory data. Presence of non-standard soft SUSY breakings with large $\tan\beta$ could enhance $b\to d\gamma$ (or $s\gamma$) transitions.

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