Neutrino-4 experiment on search for sterile neutrino with multi-section model of detector

Authors :: Serebrov, A. P.
Ivochkin, V. G.
Samoilov, R. M.
Fomin, A. K.
Polyushkin, A. O.
Zinoviev, V. G.
Neustroev, P. V.
Golovtsov, V. L.
Chernyj, A. V.
Zherebtsov, O. M.
Martemyanov, V. P.
Tarasenkov, V. G.
Aleshin, V. I.
Petelin, A. L.
Ishutov, A. L.
Tuzov, A. A.
Sazontov, S. A.
Ryazanov, D. K.
Gromov, M. O.
Afanasiev, V. V.
Zaytsev, M. E.
Chaikovskii, M. E.
Publication Year :: 2016
Abstract: In order to carry out research in the field of possible existence of sterile neutrino the laboratory based on SM-3 reactor (Dimitrovgrad, Russia) was created to search for oscillations of reactor antineutrino. The prototype of a multi-section neutrino detector with liquid scintillator volume of 350 l was installed in the middle of 2015. It is a moveable inside the passive shielding detector, which can be set at distance range from 6 to 11 meters from the reactor core. Measurements of antineutrino flux at such small distances from the reactor core carried out with movable detector for the first time. The measurements carried out with detector prototype demonstrated a possibility of measuring a reactor antineutrino flux in difficult conditions of cosmic background at Earth surface.<br />Comment: 15 pages, 6 figures

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