An Analytic Formula and an Upper Bound for epsilon'/epsilon in the Standard Model

Preprint

1 September 1993

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/9309203

Abstract

Using the idea of the penguin box expansion we find an analytic expression for epsilon'/epsilon in the Standard Model as a function of m_t, m_s(m_c) and two non-perturbative parameters B_6 and B_8. This formula includes next-to-leading QCD/QED short distance effects calculated recently by means of the operator product expansion and renormalization group techniques. We also derive an analytic expression for the upper bound on epsilon'/epsilon as a function of |V_cb|, |V_ub/V_cb|, B_K and other relevant parameters. Numerical examples of the bound are given.

Keywords

PERTURBATIVE PARAMETERS
ANALYTIC EXPRESSION
ANALYTIC FORMULA
BOUND ON EPSILON
STANDARD MODEL
UPPER BOUND
EPSILON
FORMULA

All Related Versions

Version 1, 1993-09-01, ArXiv
Published version: Physics Letters B, 318 (1), 212.

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