Enhanced baryon number violation due to cosmological defects with localized fermions along extra dimension

Details Enhanced baryon number violation due to cosmological defects with localized fermions along extra dimension Enhanced baryon number violation due to cosmological defects with localized fermions along extra dimension

2002-02-27

arxiv.org/abs/hep-ph/0202258v3

Phys.Rev. D65 (2002) 107302

Physics

High Energy Physics

High Energy Physics - Phenomenology

12pages, latex2e, added references, to appear in PRD

Scientific paper

10.1103/PhysRevD.65.107302

We propose a new scenario of baryon number violation in models with extra dimensions. In the true vacuum, baryon number is almost conserved due to the localization mechanism of matter fields, which suppresses the interactions between quarks and leptons. We consider several types of cosmological defects in four-dimensional spacetime that shift the center of the localized matter fields, and show that the magnitudes of the baryon number violating interactions are well enhanced. Application to baryogenesis is also discussed.

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