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02-2-1099-2010/2023
Priority:1
Status: In-progress

Study of Neutrino Oscillations


Leaders:     D.V. Naumov
A.G. Olshevsky

Participating countries and international organizations:
China, Czech Republic, France, Germany, Japan, Italy, Romania, Slovakia, Turkey, USA.

Issues addressed and main goals of research:
  • Measurement of the neutrino mixing angle and the squared mass difference m 2ee in Daya Bay experiment.

  • Measurement of the solar neutrino fluxes in the Borexino experiment, search for the sterile neutrino state.

  • Study of the neutrino oscillations in the OPERA experiment.

  • Neutrino mass hierarchy determination and measurement of the CP violation phase of the neutrino mixing matrix in the JUNO and NOvA experiments.

  • R&D for the new photo detectors and detector equipment for the neutrino experiments.

  • Improvement of the precision of the direct solar neutrino flux measurements with the Borexino detector, phase-II experiment.
Expected results in the current year:
  • Physics analysis of the Daya Bay experiment data on 13 determination.

  • Precision estimation of the mass hierarchy measurements and determination of neutrino oscillation parameters in the NOvA and JUNO experiments by different methods.

  • Data analysis in the NOvA experiment.

  • Study of systematic uncertainties related to the neutrino-nucleon cross sections for the NOvA analysis.

  • Use of NOvA experiment Remote Operation Centre at JINR for shifts.

  • Start of the mass production of the high voltage system for JUNO PMTs.

  • Mass test of JUNO PMT with scanning stations.

  • Monitoring of the JUNO veto system planes.

  • Reconstruction of events in the Borexino detector.

  • Analysis of SNO solar neutrino parameters in the Borexino detector.
List of projects:
  Project Leader Priority
(period of realisation)
1. Daya Bay/JUNO D.V. Naumov 1   (2009-2020)
2. NOvA A.G. Olshevskiy 1   (2015-2020)

List of Activities
  Activity or Experiment Leaders
Status
      Laboratory or other
    Division of JINR
Responsible person
Main researchers
1. Daya Bay/JUNO Project D.V. Naumov
M.O. Gonchar
Data taking
R&D
  DLNP V.V. Amvrosov, N.V. Anfimov, T.A. Antoshkina, S.V. Biktemerova, A.E. Bolshakova, I.V. Butorov, A.V. Chukanov, S.G. Dmitrievsky, D.A. Dolzhikov, D.V. Fedoseev, Yu.A. Gornushkin, O.E. Gorchakov, V.O. Gromov, N.M. Kolganov, A.V. Krasnoperov, N.A. Morozov, E.A. Naumova, I.B. Nemchenok, A.G. Olshevskiy, A.V. Rybnikov, A.B. Sadovsky, A.S. Selunin, O.Yu. Smirnov, S.A. Sokolov, A.P. Sotnikov, M.A. Strizh, K.A. Treskov
2. NOvA Project A.G. Olshevskiy
O.B. Samoylov
Data taking
  DLNP V.A. Allakgverdian, A.I. Antoshkin, N.V. Anfimov, A.I. Kalitkina, O.A. Klimov, Ch. Kullenberg, L.D. Kolupaeva, A.D. Morozova, O.N Petrova, M.V. Petropavlova, A.S. Sheshukov, A.P. Sotnikov
  BLTP S.M. Bilenky, K.S. Kuzmin, V.A. Matveev, V.A. Naumov
  LIT N.A. Balashov, A.V. Baranov, A.G. Dolbilov, E.A. Kuznetsov
  VBLHEP I.D. Kakorin
3. Experiment OPERA Yu.A. Gornushkin
Data analysis
  DLNP A.V. Chukanov, S.G. Dmitrievsky, A.G. Olshevskiy, A.B. Sadovsky, A.P. Sotnikov, S.G. Vasina
4. Experiment Borexino/DarkSide O.Yu. Smirnov
Data analysis
  DLNP M.V. Gromov, D.V. Korablev, O.B. Samoylov, A.P. Sotnikov, A.S. Sheshukov, A.V. Vishneva
5. Development of new photodetec-
tors and the equipment for appli-
cation in registering systems of
neutrino experiments
N.V. Anfimov
R&D
  DLNP A.I. Antoshkin, V.V. Chalyshev, I.E. Chirikov-Zorin, D.V. Fedoseev, K.I. Kuznetsova, A.G. Olshevskiy, A.V. Rybnikov, A.V. Selunin, A.P. Sotnikov, S.A. Sokolov
  VBLHEP Z.Ya. Sadygov

Collaboration
Country or International
Organization
City Institute or Laboratory
China Beijing IHEP CAS
Czech Republic Prague CU
France Strasbourg CRN
Germany Aachen RWTH
Hamburg Univ.
Italy Milan UNIMI
Salerno INFN
Japan Tokyo Toho Univ.
Romania Bucharest IFIN-HH
Slovakia Bratislava CU
Turkey Ankara METU
USA Batavia, IL Fermilab
Cambridge, MA Harvard Univ.
Indianapolis, IN IUPUI

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