Unitarity Triangles and the Search for New Physics

Details Unitarity Triangles and the Search for New Physics Unitarity Triangles and the Search for New Physics

2002-06-14

arxiv.org/abs/hep-ph/0206133v1

Nucl.Phys. B651 (2003) 174-190

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 7 figures, uses tcilatex

Scientific paper

10.1016/S0550-3213(02)01089-1

Assuming that the Kobayashi-Maskawa mechanism gives the dominant contribution to CP violation at low energies, we propose a novel way of testing the flavour sector of the Standard Model which has the potencial for discovering New Physics. Using 3 x 3 unitarity of the V_{CKM} matrix and choosing a complete set of rephasing invariant phases, we derive a set of exact relations in terms of measurable quantities, namely moduli of V_{CKM} and arguments of rephasing invariant quartets. These tests complement the usual analysis in the \rho, \eta plane and, if there is New Physics, may reveal its source.

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