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Non-Accelerator
Neutrino Physics and Astrophysics
Theme
leaders:
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E.A. Yakushev
A. Kovalik
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Participating
countries and international organizations:
Azerbaijan,
Bulgaria, Czech Republic, Finland, France, Germany, Italy,
Kazakhstan, Malaysia, Mongolia, Poland, Russia, Slovakia,
Switzerland, United Kingdom, USA, Uzbekistan.
Issues
addressed and main goals of research:
Search
for the neutrinoless mode and investigation of the double-neutrino
mode of the double beta decay, clarification of the neutrino nature,
Majorana or Dirac, and the absolute neutrino mass scale and
hierarchies. Search for the neutrino magnetic moment, coherent
elastic neutrino-nucleus scattering and dark matter. Investigation of
galactic and extragalactic neutrino sources, the diffusive neutrino
cosmic background, and search for exotic particles (monopoles). Use
of the neutrino detector for a distant investigation of processes
inside of the reactor core of the Kalinin Nuclear Power Plant (KNPP).
Search for sterile neutrinos. Spectroscopy of nuclei far from
stability. Development of new methods for charged and neutral
particle detection.
Expected
results in the current year:
Data
taking in the 2b0n decay
measurements of 82Se
with the SuperNEMO spectrometer. Processing of the data collected in
the GERDA experiment, set T1/2 limits
for different 2b-decay modes.
Processing
of experimental data and determination
of T1/2(2b2n) for 48Ca, 96Zr, 130Te, 116Cd, 82Se.
Set a refined value of T1/2(2β2ν)
for 76Ge based
on the GERDA Phase II data.
Data
taking with the HPGe-based low-background νGeN spectrometer
at the Kalinin Nuclear Power Plant. Search for a signal of coherent
neutrino scattering on germanium nuclei. Data taking start searching
for the neutrino magnetic moment at the sensitivity level of ~
(5-9)·10 -12 µB after
several years of data taking.
Continuation
of data taking in the EDELWEISS experiment with new detectors
operating with an energy threshold of 0.1 keV suitable for the
extra-low mass WIMP region. Analysis of previously accumulated data,
determination of parameters for light dark matter for the mass
region below 1 GeV/c 2.
Start of the Ricochet phase of the experiment for precision CEnNS
studuing at ILL with the detectors developed by EDELWEISS.
Start
of data taking in the tone-scale LEGEND experiment searching
for the 2b2n decay of 76Ge.
Assessment of the background level with the first batch of enriched
detectors (~60 kg). Adding all available detectors and launching a
full-scale experiment.
Data
taking with ten clusters of the BAIKAL-GVD neutrino telescope.
Search for and study of high-energy neutrinos of astrophysical
nature. Construct on and commissioning of new detector clusters.
Development and testing of new data acquisition and data
transmission systems aiming at a lower energy threshold (Baikal
project).
Continuation
of the study of low-energy electrons from radioactive decay.
Measurement of Auger spectra for 103Pd
and 125I
and low-energy conversion electrons from the decay of 227Ac.
Commissioning of the new vacuum evaporation setup in a radiochemical
laboratory. 57Co
calibration measurements of the ESA-50 spectrometer. Processing of
measurement results for 2022 and 2023.
Development
and testing of new low-threshold (~ 200 eV) HPGe detectors for
searching for the coherent neutrino scattering, as well as of
plastic scintillator detectors for their active shielding.
Results
of search for sterile neutrinos on the 2016-2021 data accumulated by
the DANSS spectrometer. Precision estimates of the gamma and neutron
background at the location of the DANSS spectrometer (room A336
under the reactor of the 4th power unit of the KNPP). R&D
results of the spectrometr modernization.
The
radiochemical laboratory of the 2nd class will be commissioned at
DLNP; equipment for manufacture of radioactive sources for
brachytherapy of cancer diseases will be installed; obtained
sanitary and epidemiological certificates for the radiochemical
laboratory will be concluded.
Continuation
of the MONUMENT project. Analysis of data from 2021 and 2022 the
experimental campaigns, namely for the measured 136Ba, 76Se, 100Mo
enriched isotopes. Preparation for measurements in 2023 (purchase of
isotopically enriched elements, modernization of the muon trigger
system). Data taking and analysis of
accumulated data.
List
of projects
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Project
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Leader
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Priority
(period
of realisation)
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1.
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SuperNEMO
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O.I.
Kochetov
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1
(2013-2023)
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2.
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νGEN
(GEMMA)
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A.V.
Lubashevskiy E.A.Yakushev
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1
(2010-2023)
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3.
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EDELWEISS/RICOCHET
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E.A.
Yakushev
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1
(2010-2023)
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4.
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GERDA
(LEGEND)
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K.N.
Gusev
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1
(2010-2023)
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5.
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DANSS
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M.V.
Shirchenko
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1
(2011-2023)
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6.
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BAIKAL
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I.A.
Belolaptikov
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1
(2009-2023)
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7.
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MONUMENT
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D.R.
Zinatulina
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1
(2021-2023)
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List
of Activities
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Activity
or Experiment
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Leaders
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Status
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Laboratory
or another
Division of JINR
Responsible
person
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Main
researchers
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1.
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SuperNEMO
Project
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O.I.
Kochetov
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DLNP
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D.V.
Filosofov, I.I. Kamnev, D.V. Karaivanov, F.F. Klimenko,
M.A.
Mirzaev, I.B. Nemchenok, A.V. Rahimov, A.V. Salamatin,
A.A.
Smolnikov, Yu.A. Shitov V.V. Timkin, V.I. Tretyak,
O.V.
Vagina
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2.
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Investigation
of 2K2n and 2K0n
decays
of 106Cd
with the TGV
spectrometer
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N.I.
Rukhadze
I. Shtekl
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DLNP
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K.N.
Gusev, S.L. Katulina, A.A. Klimenko, S.V. Rozov,
A.V.
Salamatin, V.G. Sandukovskiy, V.V. Timkin, V.P. Volnikh, E.A.
Yakushev
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3.
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GERDA
(LEGEND) Project
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K.N.
Gusev
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DLNP
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S.A.
Evseev, D.I. Filosofov, M.V. Fomina, Yu.V. Gurov,
A.A.
Klimenko, O.I. Kochetov, A.V. Lubashevsky,
I.I. Kamenev, Z.Kh.
Khushvaktov, I.B. Nemchenok,
A.V. Rakhimov, S.V. Rozov, N.S.
Rumyantseva,
V.G. Sandukovsky, K.V. Shaktov, Yu.A. Shitov, E.A.
Shevchik, M.V. Shirchenko, A.A. Smolnikov, S.I. Vasilev,
V.P.
Volnikh, I.V. Zhitnikov, D.R. Zinatulina, E.A. Yakushev
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4.
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νGEN
(GEMMA) Project
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A.V.
Lubashevskiy
E.A. Yakushev
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Modernization
Data
taking
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DLNP
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V.V.
Belov, S.A. Evseev, D.V. Filosofov, M.V. Fomina, L. Grubchin, U.B.
Gurov, A.Kh. Inoyatov, S.L. Katulina, S.V. Kazartsev,
Z.Kh.
Khukhvatov, S.P. Kiyanov, D.V. Medvedev, D.V. Ponomarev, D.S.
Pushkov, S.V. Rozov, I.E. Rozova, A.V. Salamatin,
V.G.
Sandukovsky, K.V. Shakhov, T.A. Shevchik, M.V. Shirchenko, V.P.
Volnykh, I.V. Zhitnikov
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5.
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EDELWEISS/RICOCHET
Project
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E.A.
Yakushev
S.V. Rozov
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Modernization
Data
taking
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DLNP
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V.
Belov, S. Evseev, D. Filosofov, Yu. Gurov, A. Inoyatov,
D.
Karaivanov, S. Kazartsev, J. Khushvaktov, A.V. Lubashevskiy,
N.A.
Mirzaev, D.V. Ponomarev, F.V. Rakhimov, I.E. Rozova,
A.
Salamatin, K.V. Shakhov, N. Temerbulatov, V. Trofimov,
Yu.
Vaganov
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6.
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BAIKAL
Project
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I.A.
Belolaptikov
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DLNP
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V.F.
Allakhverdyan, P.I. Antonov, I.V. Borodina, V. Dik,
I.S.
Dotsenko, M.S. Dovbnenko, R. Dvornicky, A.A. Doroshenko,
T.V.
Elzhov, A.N. Emelianov, S.A. Evseev, K.V. Golubkov,
N.A.
Gorshkov, M.S. Katulin, S.A. Katulin, S.L. Katyulina,
E.V.
Khramov,M.M. Kolbin, K.V. Konishev, A.V. Korobchenko,
M.V.
Kruglov, Y.M. Malyshkin, M.B. Milenin, M.L. Minaev,
D.V.
Naumov, D.A. Orlov, D.P. Petukhov, E.N. Pliskovski,
I.E.
Rozova, V.D. Rushay, A.V. Salamatin, G.B. Safronov,
D. Seitova,
S.I. Sinegovsky, A.E. Sirenko,A.G. Solovjev,
M.N. Sorokovikov,
N.I. Sosunov, I.A. Stepkin, A.P. Stromakov, B.A.
Shaybonov,
K.I. Shevchenko, Yu.V. Yablokova, D.V. Zvezdov
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7.
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Experimental
strudy of low-energy electron spectra arising in radioactive decay
with the
aim to obtain new data on low-excited states
of
nuclei and radiation-free relaxation
of atomic systems
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A.Kh.
Inoyatov
A. Kovalik
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DLNP
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M.A.
Abd Al'ngar, M.S. Dovbnenko, S.V. Fateev, D.V. Filosofov,
N.V.
Morozova, V.A. Morozov, A.E. Sirenko, V.I. Stegailov,
A.A.
Solnyshkin, Yu.V. Yablokova
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FLNR
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I.N.
Izosimov
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8.
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Radiochemical
support of irradiation
of targets, separation of
radionuclides from them by radiochemistry and mass
separation
methods, preparation of ionizing radiation sources
for physical research at DLNP; chemical, radiochemical and mass
separator
support of low-background measurements
for
neutrino physics
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D.V.
Filosofov
A.Kh. Inoyatov
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DLNP
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A.E.
Baimukhanova, J.A. Dadakhanov, E.A. Denisova,
D.V.
Karaivanov, E.S. Kurakina, N.A. Mirzayev, N.V. Morozova,
A.V.
Rakhimov, J.K. Samatov, A.A. Solnyshkin, Yu.A. Vaganov,
A.I.
Velichkov, M.Y. Vorobyeva
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FLNR
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G.A.
Bozhikov
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9.
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Development
of methods for the
separation of elements (radiochemistry
and mass separation); development
of methods for
obtaining radioisotopes
for nuclear medicine and the
synthesis
of radiopharmaceuticals based on them; development
and manufacture of micro
sources for cancer brachytherapy;
study of the physicochemical properties
of condensed
matter using the method
of perturbed angular correlations
of
nuclear radiation
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D.V.
Filosofov
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DLNP
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A.
Baymukhanova,
D.V.
Karaivanov,
E.S.
Kurakina,
A.A.
Solnyshkin,
A.V.
Salamatin,
D.A.
Salamatin,
N.T.
Temerbulatova,
Yu.A. Vaganov, A.I. Velichkov
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FLNR
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G.A.
Bozhikov
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10.
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Development
and production of
low-energy-threshold HPGe detectors.
Development and production of special types
of Si and Ge
detectors for low background measurements. Development and
production
of plastic scintillators for low-background
spectrometers, neutron detectors, and cosmic
muon detection.
Development and production
of a muon detection network for
continuous atmosphere control in the Moscow region
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E.A.
Yakushev
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DLNP
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Yu.B.
Gurov, L. Grubchin, K.N. Gusev, S.L. Katulina,
I.B.
Nemchenok, D.V. Ponomarev, S.V. Rozov, V.G. Sandukovskiy
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FLNR
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A.M.
Rodin
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VBLHEP
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N.I.
Zamyatin
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11.
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DANSS
Project
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M.V.
Shirchenko
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Data
taking
Modernization
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DLNP
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V.V.
Belov, D.V. Filosofov, M.V. Fomina, S.V. Kazartsev,
S.P.
Kiyanov, D.V. Medvedev, D.S. Pushkov, I.E. Rozova,
A.V.
Salamatin, E.A. Shevchik, V.P. Volnykh, I.V. Zhitnikov
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12.
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MONUMENT
Project
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D.R.
Zinatulina
M.V. Shirchenko
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Data
taking
Modernization
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DLNP
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V.V.
Belov, M.V. Fomina, K.N. Gusev, S.V. Kazartsev,
N.S.
Rumyantseva, E.A. Shevchik, E. Sushenok, I.V. Zhitnikov
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Collaboration
Country
or International Organization
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City
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Institute
or Laboratory
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Azerbaijan
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Baku
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IRP
ANAS
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Bulgaria
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Plovdiv
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PU
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Sofia
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INRNE
BAS
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Czech
Republic
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Prague
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CTU
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Rez
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NPI
CAS
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Finland
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Jyvaskyla
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UJ
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France
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Grenoble
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UGA
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Lyon
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IPNL
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Modane
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LSM
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Orsay
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CSNSM
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Saclay
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CEA
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Germany
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Heidelberg
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MPIK
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Karlsruhe
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KIT
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Mainz
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JGU
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Munich
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TUM
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Tubingen
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Univ.
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Italy
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Assergi
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INFN
LNGS
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Kazakhstan
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Almaty
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INP
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Malaysia
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Johor
Bahru
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UTM
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Mongolia
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Ulaanbaatar
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IPT
MAS
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Poland
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Krakow
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INP
PAS
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Russia
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Dubna
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Dubna
State Univ.
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Gatchina
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NRC
KI PNPI
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Moscow
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ITEP
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NNRU
"MEPhI"
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SC
"VNIINM"
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SINP
MSU
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Moscow,
Troitsk
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HPPI
RAS
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INR
RAS
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Neutrino
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BNO
INR RAS
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St.
Petersburg
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FIP
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KRI
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Tomsk
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NPI
TPU
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Voronezh
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VSU
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Slovakia
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Bratislava
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CU
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IEE
SAS
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Switzerland
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Villigen
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PSI
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Zurich
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UZH
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United
Kingdom
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London
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UCL
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Manchester
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UoM
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USA
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Chapel
Hill, NC
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UNC
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Tuscaloosa,
AL
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UA
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Uzbekistan
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Tashkent
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INP
AS RUz
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NUU
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