Search for sterile neutrinos in the neutrino-4 experiment
- Authors: Serebrov A.P.1, Aleshin V.I.2, Petelin A.L.3, Izhutov A.L.3, Tuzov A.A.3, Sazontov S.A.3, Ryazanov D.K.4, Gromov M.O.3, Afanas’ev V.V.3, Zaitsev M.E.1,4, Tarasenkov V.G.2, Martem’yanov V.P.2, Ivochkin V.G.1, Samoilov R.M.1, Fomin A.K.1, Polyushkin A.O.1, Zinov’ev V.G.1, Neustroev P.V.1, Golovtsov V.L.1, Chernyi A.V.1, Zherebtsov O.M.1, Chaikovskii M.E.1
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Affiliations:
- Petersburg Nuclear Physics Institute
- National Research Center Kurchatov Institute
- State Scientific Center Research Institute of Atomic Reactors
- Dimitrovgrad Engineering and Technical Institute, National Research Nuclear University MEPhI
- Issue: Vol 105, No 6 (2017)
- Pages: 347-351
- Section: Fields, Particles, and Nuclei
- URL: https://journals.rcsi.science/0021-3640/article/view/160188
- DOI: https://doi.org/10.1134/S0021364017060121
- ID: 160188
Cite item
Abstract
An experimental search for sterile neutrinos has been carried out at a neutrino facility based on the SM-3 nuclear reactor in Dimitrovgrad, Russia. The movable detector with passive shielding against the external radiation may be positioned at a distance varying between 6 and 12 m from the center of the reactor. The antineutrino flux has for the first time been measured using a movable detector placed close to the antineutrino source. The accuracy of the measurements is largely restricted by the cosmic background. The results of the measurements performed at small and large distances are analyzed in terms of the sterile-neutrino model parameters Δm142 and sin22θ14.
About the authors
A. P. Serebrov
Petersburg Nuclear Physics Institute
Author for correspondence.
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
V. I. Aleshin
National Research Center Kurchatov Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Moscow, 123182
A. L. Petelin
State Scientific Center Research Institute of Atomic Reactors
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433510
A. L. Izhutov
State Scientific Center Research Institute of Atomic Reactors
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433510
A. A. Tuzov
State Scientific Center Research Institute of Atomic Reactors
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433510
S. A. Sazontov
State Scientific Center Research Institute of Atomic Reactors
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433510
D. K. Ryazanov
Dimitrovgrad Engineering and Technical Institute, National Research Nuclear University MEPhI
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433511
M. O. Gromov
State Scientific Center Research Institute of Atomic Reactors
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433510
V. V. Afanas’ev
State Scientific Center Research Institute of Atomic Reactors
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Dimitrovgrad, Ul’yanovsk region, 433510
M. E. Zaitsev
Petersburg Nuclear Physics Institute; Dimitrovgrad Engineering and Technical Institute, National Research Nuclear University MEPhI
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300; Dimitrovgrad, Ul’yanovsk region, 433511
V. G. Tarasenkov
National Research Center Kurchatov Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Moscow, 123182
V. P. Martem’yanov
National Research Center Kurchatov Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Moscow, 123182
V. G. Ivochkin
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
R. M. Samoilov
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
A. K. Fomin
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
A. O. Polyushkin
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
V. G. Zinov’ev
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
P. V. Neustroev
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
V. L. Golovtsov
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
A. V. Chernyi
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
O. M. Zherebtsov
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
M. E. Chaikovskii
Petersburg Nuclear Physics Institute
Email: serebrov_ap@pnpi.nrcki.ru
Russian Federation, Gatchina, Leningrad region, 188300
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