TL;DR
This paper reviews current strategies and recent methods for determining the neutrino mass hierarchy using oscillation data, highlighting the importance and challenges of accurate analysis in this area.
Contribution
It introduces a pragmatic approach and discusses two recent analysis methods for neutrino mass hierarchy determination from oscillation data.
Findings
Different methods can determine the neutrino mass hierarchy.
Statistical issues impact the reliability of hierarchy determination.
More precise studies are needed for conclusive results.
Abstract
The ordering of the neutrino mass eigenstates, also addressed as Mass Hierarchy (MH), is one of the most relevant issues in neutrino physics, currently under investigation by many proposals and experiments. In this short note focus will be given to the different ways to determine MH from neutrino oscillation data in the near future. A pragmatic strategy is suggested and two recent new methods of analysis are recalled. Statistical issues and concerns are also addressed, envisaging the necessity of more accurate studies and analyses.
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