Testing the CKM Picture of Flavour and CP Violation in Rare K and B Decays and Particle-Antiparticle Mixing

TL;DR

This paper reviews the CKM framework for flavor and CP violation, discusses how to test it through rare K and B decays and mixing, and explores extensions beyond the Standard Model that could challenge this picture.

Contribution

It provides a comprehensive overview of testing the CKM paradigm within minimal flavor violation and examines potential signals from beyond Standard Model theories.

Findings

Identifies theoretically clean tests for the constrained MFV hypothesis.

Highlights experimental strategies for probing flavor and CP violation.

Discusses implications of new physics models like MSSM, Little Higgs, and Randall-Sundrum.

Abstract

We summarize briefly the CKM picture of flavour and CP violation that governs the models with minimal flavour violation (MFV). We then describe how this framework can be efficiently tested through particle-antiparticle mixing and rare $K$ and B decays. In particular we provide a list of theoretically clean tests that the simplest version of the MFV framework, the constrained MFV hypothesis, has to face in the coming years. Finally we offer a brief look at the most popular SM extensions that go beyond the CKM framework like the general MSSM, Little Higgs model with T-parity and Randall-Sundrum models with bulk fermions.