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

V. G. Zinov’ev; P. V. Neustroev; V. L. Golovtsov; A. V. Chernyi; O. M. Zherebtsov; A. O. Polyushkin; V. P. Martem’yanov; V. G. Tarasenkov; V. I. Aleshin; A. L. Petelin; A. L. Izhutov; A. A. Tuzov; S. A. Sazontov; D. K. Ryazanov; M. O. Gromov; V. V. Afanas’ev; M. E. Zaitsev; M. E. Chaikovskii; A. P. Serebrov; V. G. Ivochkin; R. M. Samoilov; A. K. Fomin

doi:10.1134/S1063784217020268

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

Authors: Zinov’ev V.G.¹, Neustroev P.V.¹, Golovtsov V.L.¹, Chernyi A.V.¹, Zherebtsov O.M.¹, Polyushkin A.O.¹, Martem’yanov V.P.², Tarasenkov V.G.², Aleshin V.I.², Petelin A.L.³, Izhutov A.L.³, Tuzov A.A.³, Sazontov S.A.³, Ryazanov D.K.³, Gromov M.O.³, Afanas’ev V.V.³, Zaitsev M.E.¹, Chaikovskii M.E.¹, Serebrov A.P.¹, Ivochkin V.G.¹, Samoilov R.M.¹, Fomin A.K.¹
Affiliations:
1. Petersburg Nuclear Physics Institute
2. National Research Center Kurchatov Institute
3. Joint Stock Company State Scientific Center Research Institute of Atomic Reactors
Issue: Vol 62, No 2 (2017)
Pages: 322-328
Section: Experimental Instruments and Technique
URL: https://journal-vniispk.ru/1063-7842/article/view/198989
DOI: https://doi.org/10.1134/S1063784217020268
ID: 198989

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Abstract

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.

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

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Abstract

About the authors

Supplementary files