# Comment on Daya Bay's definition and use of Delta m^2_ee

## TL;DR

This paper discusses and critiques Daya Bay's definition of the effective neutrino mass-squared difference Delta m^2_ee used in reactor antineutrino experiments, aiming to clarify its implications.

## Contribution

It provides a detailed commentary on the definition and application of Delta m^2_ee in reactor neutrino experiments, highlighting potential issues and clarifications.

## Key findings

- Identifies ambiguities in Daya Bay's definition of Delta m^2_ee
- Clarifies the proper use and interpretation of Delta m^2_ee in experiments
- Suggests improvements for consistent application in future analyses

## Abstract

We comment on Daya Bay's latest definition of the effective Delta m^2 for short baseline reactor electron antineutrino disappearance experiments used in arXiv:1809.02261 (Phys. Rev. Lett. 121, no. 24, 241805 (2018))