02-2-1099-2010/2023

Priority:

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 ²_ee 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 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

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

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

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

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

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