Experiment neutrino-4 on searching for a sterile neutrino with multisection detector model


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A laboratory for searching for oscillations of reactor antineutrinos has been created based on the SM-3 reactor in order to approach the problem of the possible existence of a sterile neutrino. The multisection detector prototype with a liquid scintillator volume of 350 L was installed in mid-2015. This detector can move inside the passive shield in a range of 6–11 m from the active core of the reactor. The antineutrino flux was measured for the first time at these short distances from the active core of the reactor by the movable detector. The measurements with the multisection detector prototype demonstrated that it is possible to measure the antineutrino flux from the reactor in the complicated conditions of cosmic background on the Earth’s surface.

作者简介

V. Zinov’ev

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

P. Neustroev

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

V. Golovtsov

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

A. Chernyi

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

O. Zherebtsov

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

A. Polyushkin

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

V. Martem’yanov

National Research Center Kurchatov Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Moscow, 123182

V. Tarasenkov

National Research Center Kurchatov Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Moscow, 123182

V. Aleshin

National Research Center Kurchatov Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Moscow, 123182

A. Petelin

Joint Stock Company State Scientific Center Research Institute of Atomic Reactors

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Dimitrovgrad, 433510

A. Izhutov

Joint Stock Company State Scientific Center Research Institute of Atomic Reactors

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Dimitrovgrad, 433510

A. Tuzov

Email: serebrov@pnpi.spb.ru

S. Sazontov

Email: serebrov@pnpi.spb.ru

D. Ryazanov

Joint Stock Company State Scientific Center Research Institute of Atomic Reactors

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Dimitrovgrad, 433510

M. Gromov

Email: serebrov@pnpi.spb.ru

V. Afanas’ev

Joint Stock Company State Scientific Center Research Institute of Atomic Reactors

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Dimitrovgrad, 433510

M. Zaitsev

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

M. Chaikovskii

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

A. Serebrov

Petersburg Nuclear Physics Institute

编辑信件的主要联系方式.
Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

V. Ivochkin

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

R. Samoilov

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

A. Fomin

Petersburg Nuclear Physics Institute

Email: serebrov@pnpi.spb.ru
俄罗斯联邦, Gatchina, Leningrad oblast, 188300

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