Higher order corrections to the Grimus-Stockinger formula

TL;DR

This paper investigates higher order corrections to the Grimus-Stockinger formula, revealing how the key asymptotic parameter varies with wave packet width through multiple calculation methods.

Contribution

It introduces higher order correction analysis to the Grimus-Stockinger formula and clarifies the dependence of the asymptotic parameter on wave packet width.

Findings

The asymptotic parameter varies significantly with wave packet width.

Multiple calculation methods yield consistent results for the parameter.

Higher order corrections refine the understanding of the formula's applicability.

Abstract

For the Grimus-Stockinger formula the same dimensionless parameter of asymptotic expansion is found by several ways of calculations. This parameter strongly depends on the width of wave packet.