Darmstadt 2016 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 49: Astroparticle Physics III

HK 49.2: Gruppenbericht

Donnerstag, 17. März 2016, 14:30–15:00, S1/01 A02

Status and Recent Results of the Double Chooz Neutrino Experiment — •Ilja Bekman for the Double Chooz collaboration — III. Physikalisches Institut B, RWTH Aachen University, 52056 Aachen, Germany

The Double Chooz experiment is a reactor neutrino disappearance experiment for the precision measurement of the mixing angle θ₁₃, neutrino oscillation parameter. Located on the nuclear reactor site in Chooz, France, two identical liquid scintillator detectors with baselines of 1050 m and 400 m are installed. These are measuring the flux of the antineutrinos from two reactor cores utilizing the signature of the inverse beta decay (IBD). With the far detector operating since 2011 first indication of the non-zero value of the mixing angle θ₁₃ was found, and later refined with utilization of the neutron captures on Hydrogen - additionally to the Gadolinium - in the IBD channel. With the commissioning of the near detector in early 2015 one year of data with both detectors are now available. In this talk the overview of the experiment is given and newest results are presented.