Predictions for the cusp in eta->3pi0 decay

TL;DR

This paper provides a detailed estimate of the cusp effect in eta->3pi0 decay using nonrelativistic effective field theory, aiding high-precision experimental analysis.

Contribution

It offers the first realistic predictions of the cusp effect size in eta->3pi0 decay within a nonrelativistic effective field theory framework.

Findings

Quantitative estimates of the cusp effect size.

Framework applicable for high-precision experimental analysis.

Abstract

A realistic estimate of the cusp effect in the eta->3pi0 decay is required for the forthcoming high precision experiments. The predictions for the size of this effect are given within the framework of nonrelativistic effective field theory.