Hamburg 2016 – scientific programme
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T: Fachverband Teilchenphysik
T 102: Niederenergie-Neutrinophysik III
T 102.8: Talk
Thursday, March 3, 2016, 18:35–18:50, VMP9 SR 07
Measurement of Reactor Neutrino Oscillations with Double Chooz — •Stefan Schoppmann, Ilja Bekman, Denise Hellwig, Philipp Kampmann, Michael Soiron, Achim Stahl, and Christopher Wiebusch — III. Physikalisches Institut B - RWTH Aachen University
The Double Chooz experiment is a reactor neutrino disappearance experiment located at the nuclear power plant in Chooz, France. The aim of the Double Chooz experiment is the precise measurement of the neutrino mixing angle θ13, a neutrino oscillation parameter. The experiment consists of two identical liquid scintillator detectors and measures the electron-antineutrino flux of the two nuclear reactors. The 1 km distant far detector started operation in 2011. The 400 m distant near detector started operation in 2015. The reactor neutrinos are detected by the signature of an inverse beta decay (IBD). The neutrino energy spectrum is extracted from the spectrum of the IBD-produced positrons. The IBD-produced neutrons can be captured by Gadolinium or Hydrogen, which provides two independent data samples. Both samples allow the utilisation of the neutrino rate and energy spectral shape information in a combined fit. This contribution presents the first oscillation results derived from the full two-detector setup.