Avoiding the uncertainty from correlation between |Delta m_{31}^2| and CP phase delta in nu_mu --> nu_mu long baseline experiments

TL;DR

This paper proposes a new index to optimize baseline length and energy in long baseline neutrino experiments, minimizing uncertainties from parameter correlations.

Contribution

Introduction of the index I_{Delta m_{31}^2} to identify optimal experimental setups that reduce correlation-induced uncertainties.

Findings

The index effectively locates experimental configurations with minimal parameter correlation.

Application of the index improves the precision of neutrino oscillation measurements.

The method guides experimental design to enhance measurement accuracy.

Abstract

We introduce a new index I_{Delta m_{31}^2} to find where is the better setup of the baseline length and energy to avoid as well as possible the uncertainty from the correlation between Delta m_{31}^2 and cos(delta) in nu_mu --> nu_mu long baseline experiments.