Searching for the Neutrino Mixing Angle Theta-13 at Reactors

TL;DR

This paper reviews the efforts to measure the neutrino mixing angle theta-13 using reactor neutrino experiments, discussing current projects and their potential progress within two years.

Contribution

It provides an overview of planned reactor neutrino experiments to measure theta-13, highlighting their designs, status, and expected advancements.

Findings

Current experiments aim to improve limits on theta-13.

Four major projects are in progress: Double Chooz, Daya Bay, RENO, Angra.

Progress can be gauged within two years based on early results.

Abstract

Two neutrino mixing angles have been measured, and much of the neutrino community is turning its attention to the unmeasured mixing angle, $\quq$, whose best limit comes from the reactor neutrino experiment CHOOZ.\cite{bib:chooz} New two detector reactor neutrino experiments are being planned, along with more ambitious accelerator experiments, to measure or further limit $\quq$. Here I will overview how to measure $\quq$ using reactor neutrinos, mention some experiments that were considered and are not going forward, and review the current status of four projects: Double Chooz in France, Daya Bay in China, RENO in South Korea and Angra in Brazil. Finally I will mention how the neutrino observer can gauge progress in these projects two years from now as we approach the times corresponding to early estimates for new results.