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02-2-1099-2010


Study of Neutrino Oscillations and Astrophysical Research


Theme leaders:

D.V. Naumov
A.G. Olshevskiy


Participating countries and international organizations:

China, Czech Republic, France, Germany, Italy, Japan, Romania, Russia, Slovakia, Switzerland, Turkey, USA.


The problem under study and the main purpose of the research:

Measurement of the parameters of neutrino oscillations and other properties of neutrinos in experiments of various types, as well as astrophysical research in ground based and space experiments. Global analysis of data from neutrino experiments, development of experiments and creation of new type facilities.

Projects in the theme:


 

Name of the project

Project Leaders

Project code

1.

JUNO

D.V. Naumov

Deputies:
N.V. Anfimov
M.O. Gonchar


02-2-1099-1-2009/2026

2.

NOvA/DUNE

A.G. Olshevskiy
Deputies:
N.V. Anfimov
O.B. Samoylov


02-2-1099-2-2015/2026

3.

TAIGA

A.N. Borodin
Deputy:
L.G. Tkachev

02-2-1099-3-2015/2026

 Projects:

 

Name of the project

Project Leaders

Status

 

Laboratory (Subdivision)

Responsible from laboratories

1.

JUNO

D.V. Naumov

Deputies:

M.O. Gonchar

Implementation



 

DLNP

N.V. Anfimov + 10 pers., M.O. Gonchar + 6 pers., Yu.A. Gornushkin
+ 6
pers., A.V. Krasnoperov, A.G. Nemchenok, A.G. Olshevskiy

 

MLIT

N.A. Balashov, N.A. Kutovskiy

 

VBLHEP

V.I. Astakhov, V.B. Shutov

Brief annotation and scientific rationale:

Measurement of the neutrino mass hierarchy in the long baseline reactor experiment. Precise determination of the parameters of neutrino oscillations. Study of neutrino fluxes from various sources: the Sun, The Earth and others.


Expected results upon completion of the project:

Determination of the ordering of neutrino masses with an accuracy of > ~3 sigma, precision measurement of the spectrum of reactor antineutrinos, search for sterile neutrino states, measurement of solar and geoneutrino fluxes.


Expected results of the project in the current year:

Estimation of the accuracy of determining the neutrino mass hierarchy in the JUNO experiment, with an account for the near detector TAO. Testing of the JUNO and TAO detector elements and electronics. Installation of JUNO subsystems (PMT, HV, Veto) and preparation for data collection.



2.

NOvA/DUNE

A.G. Olshevskiy

Deputy:
N.V. Anfimov
O.B. Samoylov

Implementation



 

DLNP

 

N.V. Anfimov + 12 pers., L.D. Kolupaeva, A.G. Olshevskiy,
O.B. Samoylov + 8 pers.

 

BLTP

I.D. Kakorin, K.S. Kuzmin, V.A. Matveev, V.A. Naumov

 

MLIT

N.A. Balashov, A.V. Baranov, A.G. Dolbilov, N.A. Kutovskiy,
E.A. Kuznetsov

 

VBLHEP

T.L. Enik + 13 pers., S.A. Movchan

Brief annotation and scientific rationale:

Measurement of the neutrino mass hierarchy, CP parity violation, and other parameters of neutrino oscillations in long-baseline accelerator experiments. Search for new particles and exotic reactions.


Expected results upon completion of the project:

Determination of the neutrino mass ordering and the lepton CP parity violation parameter in long-baseline accelerator experiments. Global analysis of data from neutrino experiments, development of experiments and creation of new-type facilities. Search for new particles and exotic reactions.


Expected results of the project in the current year:

Analysis of NOvA experiment data, new results on the mass hierarchy and CP violation. Preparation for operation of prototypes of DUNE near detector systems.

 

3.

TAIGA

A.N. Borodin
Deputy:
L.G. Tkachev

Implementation





 

DLNP

A.V. Blinov, V.M. Grebenyuk, A.A. Grinyuk, H. Karatash,
M.V. Lavrova, S.Yu. Porokhovoy, Yu.E. Pavlov, A. Pan,
A.B. Sadovsky, A.V. Shaikovsky, E. Sholtan

 

FLNP

A.D. Rogov



 

MLIT

I. Satyshev



 

VBLHEP

N.V. Gorbunov



Brief annotation and scientific rationale:

Investigation of gamma radiation and charged cosmic rays (CRs) in the energy range of 10131018 eV by detecting Cherenkov radiation from extensive air showers (EAS): studying the high-energy edge of the spectrum of the brightest galactic and extragalactic sources of gamma radiation, searching for galactic PeVatrons, applying a new hybrid approach to study mass composition of CRs in the range of 1014 -1017 eV, studying of CRs anisotropy in the energy range of 100 - 3000 TeV.


Expected results upon completion of the project:

Investigation of the energy spectrum of gamma quanta from Galactic sources and the search for new sources of gamma quanta. Monitoring of the flux of gamma rays from nearby extragalactic sources. Search for TeV gamma-rays from gamma ray bursts and gamma-rays correlated with high-energy neutrinos. Search for cosmic accelerators in which protons are accelerated to energies of 100 - 3000 TeV. Investigation of the mass composition of cosmic rays in the transition region from galactic to extragalactic rays.


Expected results of the project in the current year:

Data taking and analysis for reconstructing the spectrum of gamma rays from galactic sources (Crab nebula, Dragonfly,
J2227+610 (G106.3+2.7), J2031 +415 (CygnusCocoon), Tycho-Brage supernova). Commissioning of the 4th Cherenkov telescope, installation of additional wide-angle detectors, fabrication and installation of the mount of the 5th Cherenkov telescope at the site. Development and preparation for operation of new Cherenkov detectors.



Activities:

 

Name of the activity

Leaders

Status

 

Laboratory (Subdivision)

Responsible from laboratories

1.

Experiment NA65/DsTau & FASER

Yu.A. Gornushkin

Data taking
Data processing


 

DLNP

S.G. Dmitrievsky, M. Miloi, A.B. Sadovsky, A.P. Sotnikov,
S.G. Vasina


2.

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

 

Collaboration

Country or International Organization


City


Institute or laboratory

China

Beijing

IHEP CAS

Czech Republic

Prague

CU

France

Strasbourg

CRN

Germany

Hamburg

Univ.

Italy

Milan

UNIMI

 

Salerno

INFN

Japan

Fukuoka

Kyushu Univ.

 

Nagoya

Nagoya Univ.

 

Tokyo

Toho Univ.

Romania

Magurele

ISS

Russia

Irkutsk

ISU

 

Moscow

SINP MSU

Slovakia

Bratislava

CU

Switzerland

Bern

Uni Bern

Turkey

Ankara

METU

USA

Batavia, IL

Fermilab

 

Cambridge, MA

Harvard Univ.

 

Columbia, SC

UofSC

 

Indianapolis, IN

IUPUI