Abstract
Double Chooz is a reactor antineutrino disappearance experiment located in Chooz, France. A far detector at a distance of about 1 km from reactor cores is operating since 2011; a near detector of identical design at a distance of about 400 m is operating since begin 2015. Beyond the precise measurement of θ13, Double Chooz has a strong sensitivity to so called light sterile neutrinos. Sterile neutrinos are neutrino mass states not taking part in weak interactions, but may mix with known neutrino states. In this paper, we present an analysis method to search for sterile neutrinos and the expected sensitivity with the baselines of our detectors.
Highlights
Beyond the precise θ measurement of 13, Double Chooz has a strong sensitivity to so called light sterile neutrinos
We present an analysis method to search for sterile neutrinos and the expected sensitivity with the baselines of our detectors
This setup is used to search for additional hypothetical neutrino states, so called light sterile neutrinos, motivated by anomalies observed by e.g. LSND [2] and MiniBooNE [3] and the reactor neutrino anomaly [4]
Summary
Double Chooz is a reactor neutrino experiment located in Chooz France designed to measure the neutrino mixing angle θ13 [1]. It consists of two identical liquid scintillator detectors. Electron antineutrinos from the reactors are identied via the inverse beta decay (IBD) process prompt delayed signal on Gadolinium (Gd) capture. This setup is used to search for additional hypothetical neutrino states, so called light sterile neutrinos, motivated by anomalies observed by e.g. LSND [2] and MiniBooNE [3] and the reactor neutrino anomaly [4]
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