Constraints on New Physics in MFV models: a model-independent analysis of Delta F=1 processes

TL;DR

This paper investigates the constraints on new physics models respecting Minimal Flavor Violation (MFV) by analyzing effective operators affecting flavor-changing processes, with a focus on B meson decays and implications for future measurements.

Contribution

It provides a model-independent analysis of Delta F=1 processes within MFV, considering both one- and two-Higgs doublet scenarios, and discusses the impact of current and future experimental bounds.

Findings

Constraints on effective operators from B factory measurements

Implications for b -> s l^+ l^- and s -> d nu nubar transitions

Potential for future measurements to further restrict new physics models

Abstract

We analyse the constraints on dimension-six Delta F=1 effective operators in models respecting the MFV hypothesis, both in the one-Higgs doublet case and in the two-Higgs doublet scenario with large tan beta. The constraints are derived mainly from the b -> s inclusive observables measured at the B factories. The implications of these bounds in view of improved measurements in exclusive and inclusive observables in b -> s l^+ l^- and s -> d nu nubar transitions are discussed.