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16 results on '"V.B. Brudanin"'

1. Design and first tests of the S3 detector of reactor antineutrinos

Author

V.B. Brudanin, Lukas Fajt, Egor Shevchik, Petr Přidal, E. Rukhadze, Mária Slavíčková, Tomas Slavicek, Maroš Petro, V. Belov, I. Stekl, Miroslav Macko, Jan Broulim, Sergei Kazartsev, Karel Smolek, Rastislav Hodak, Zdeněk Kruliš, I. Zhitnikov, Petr Masek, M. Fomina, Danuše Michálková, and V. Egorov

Subjects
Physics, Sterile neutrino, neutrino oscillations, Physics::Instrumentation and Detectors, QC1-999, Nuclear engineering, Detector, s3 experiment, reactor neutrinos, Data acquisition, Inverse beta decay, High Energy Physics::Experiment, Neutron, Neutrino, Neutrino oscillation, Electron neutrino
Abstract

The new experiment S3 devoted to the study of reactor antineutrinos was designed and constructed as a common activity of IEAP CTU in Prague and JINR (Dubna). The S3 detector is a compact, highly segmented polystyrene-based scintillating detector composed of 80 detector elements with a gadolinium neutron converter between elements layers. A positron and a neutron are produced in an inverse beta decay initiated with an electron antineutrino in the detector. A modular multi-channel fast ADC was developed for the data acquisition for the whole 80-channel S3 detector and the 4-channel cosmic veto system. The detector meets very strict safety rules of nuclear power plants and can be installed in a chamber located immediately under the reactor. The close vicinity from the reactor enables to study neutrino properties with a higher efficiency, to investigate neutrino oscillations at short baselines and try to verify the hypothesis of a sterile neutrino. The details of the design and construction of the S3 detector, as well as properties of the modular multi-channel fast ADC system, and first tests of the device are presented.

Published
2021
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2. Time calibration of the neutrino telescope Baikal-GVD

Author

K.V. Konischev, I. Shtekl, B.A. Tarashansky, A.D. Avrorin, M.N. Sorokovikov, B. A. Shaibonov, Mark Shelepov, G.B. Safronov, A.V. Avrorin, A. N. Dyachok, D.A. Kuleshov, Rastislav Dvornický, A. A. Doroshenko, G.V. Domogatsky, E.V. Khramov, V.B. Brudanin, Zh.-A.M. Dzhilkibaev, K.V. Golubkov, Olga Suvorova, N. M. Budnev, D. P. Petukhov, Sergey Yakovlev, N.S. Gorshkov, V.D. Rushay, V.M. Aynutdinov, M.K. Kryukov, A.P. Koshechkin, V. A. Kozhin, Fedor Šimkovic, M.V. Kruglov, A. I. Panfilov, Lukas Fajt, O.G. Kebkal, M.I. Rozanov, M.M. Kolbin, M.B. Milenin, R. R. Mirgazov, A.G. Solovjev, S.V. Fialkovsky, R. Bannash, V.A. Tabolenko, V. Nazari, T.I. Gres, E.N. Pliskovsky, A.P. Korobchenko, Evgenii V Rjabov, I. A. Belolaptikov, Konstantin Kebkal, Aleksandr Gafarov, A. V. Zagorodnikov, and V.F. Kulepov

Subjects
Physics, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, Detector, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Scale (descriptive set theory), 01 natural sciences, Position (vector), 0103 physical sciences, Calibration, Cluster (physics), 010306 general physics, Nonlinear Sciences::Pattern Formation and Solitons, Energy (signal processing), Remote sensing
Abstract

Baikal-GVD is a cubic-kilometer scale neutrino telescope, which is currently under construction in Lake Baikal. Baikal-GVD is an array of optical modules arranged in clusters. The first cluster of the array has been deployed and commissioned in April 2015. To date, Baikal-GVD consists of 3 clusters with 864 optical modules. One of the vital conditions for optimal energy, position and direction reconstruction of the detected particles is the time calibration of the detector. In this article, we describe calibration equipment and methods used in Baikal-GVD and demonstrate the accuracy of the calibration procedures.

Published
2019

3. Baikal-GVD: cascades

Author

A.P. Koshechkin, A. I. Panfilov, O.G. Kebkal, M.I. Rozanov, V.D. Rushay, Olga Suvorova, R. R. Mirgazov, A.G. Solovjev, V.M. Aynutdinov, Mark Shelepov, D. P. Petukhov, G.V. Domogatsky, A.P. Korobchenko, E.N. Pliskovsky, M.N. Sorokovikov, B.A. Tarashansky, M.K. Kryukov, N. M. Budnev, B. A. Shaibonov, V. A. Kozhin, S.V. Fialkovsky, K.V. Konischev, A.D. Avrorin, Evgenii V Rjabov, A. A. Doroshenko, K.V. Golubkov, V.F. Kulepov, Zh.-A.M. Dzhilkibaev, E.V. Khramov, V. Nazari, A.V. Avrorin, D.A. Kuleshov, A. N. Dyachok, Aleksandr Gafarov, N.S. Gorshkov, M.B. Milenin, A. V. Zagorodnikov, Sergey Yakovlev, Lukas Fajt, R. Bannash, T.I. Gres, G.B. Safronov, Rastislav Dvornický, M.M. Kolbin, I. Shtekl, Fedor Šimkovic, V.A. Tabolenko, V.B. Brudanin, I. A. Belolaptikov, Konstantin Kebkal, and M.V. Kruglov

Subjects
Physics, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, Neutrino telescope, High Energy Physics::Phenomenology, Mode (statistics), Astrophysics::Instrumentation and Methods for Astrophysics, 01 natural sciences, Nuclear physics, Cascade, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, 010306 general physics
Abstract

Baikal-GVD is a next generation, kilometer-scale neutrino telescope currently under construction in Lake Baikal. GVD is formed by multi-megaton subarrays (clusters) and is designed for the detection of astrophysical neutrino fluxes at energies from a few TeV up to 100 PeV. The design of Baikal-GVD allows one to search for astrophysical neutrinos with flux values measured by IceCube already at early phases of the array construction. We present here preliminary results of the search for high-energy neutrinos via the cascade mode obtained in 2015 and 2016.

Published
2019

4. Baikal-GVD: first results and prospects

Author

R. Dvornicky, V.F. Kulepov, Valery Zurbanov, A.P. Koshechkin, T. I. Gress, Lukas Fajt, A.V. Skurihin, M.M. Kolbin, V.B. Brudanin, A.V. Kozhin, A.V. Avrorin, Olga Suvorova, V.D. Rushay, Fedor Šimkovic, E. A. Osipova, L. V. Pankov, G.B. Safronov, K.V. Golubkov, Aleksandr Gafarov, B.A. Tarashansky, R. R. Mirgazov, A. V. Zagorodnikov, K.V. Konischev, A. I. Panfilov, E.N. Pliskovsky, A. A. Doroshenko, I. A. Belolaptikov, O.G. Kebkal, Konstantin Kebkal, Zh.-A.M. Dzhilkibaev, M.I. Rozanov, B.A. Shaybonov, A.G. Solovjev, A. N. Dyachok, M.N. Sorokovnikov, E.V. Khramov, V. M. Aynutdinov, Sergey Yakovlev, Z. Honz, M.B. Milenin, A.D. Avrorin, G.V. Domogatsky, R. Bannash, I. Stekl, V.A. Tabolenko, Evgenii V Rjabov, Mark Shelepov, A.V. Korobchenko, D.A. Kuleshov, N. M. Budnev, and S.V. Fialkovsky

Subjects
Physics, Shore, geography, geography.geographical_feature_category, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, Neutrino telescope, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, 01 natural sciences, law.invention, Relativistic particle, Telescope, law, 0103 physical sciences, Cluster (physics), High Energy Physics::Experiment, Neutrino, 010306 general physics, Effective volume
Abstract

Next generation cubic kilometer scale neutrino telescope Baikal-GVD is currently under construction in Lake Baikal. The detector is specially designed for search for high energies neutrinos whose sources are not yet reliably identified. Since April 2018 the telescope has been successfully operated in complex of three functionally independent clusters i.e. sub-arrays of optical modules (OMs) where now are hosted 864 OMs on 24 vertical strings. Each cluster is connected to shore by individual electro-optical cables. The effective volume of the detector for neutrino initiated cascades of relativistic particles with energy above 100 TeV has been increased up to about 0.15 km3. Preliminary results obtained with data recorded in 2016 and 2017 are discussed.

Published
2019

5. Environmental studies in Lake Baikal: basic facts and perspectives for interdisciplinary research

Author

M.N. Sorokovikov, Evgenii V Rjabov, B. A. Shaibonov, R. Bannash, S.V. Fialkovsky, K.V. Konischev, T.I. Gres, M.V. Kruglov, V.A. Tabolenko, N.S. Gorshkov, E. O. Kiktenko, A.V. Avrorin, M.B. Milenin, E.S. Troitskaya, B.A. Tarashansky, V.F. Kulepov, E.N. Pliskovsky, A.D. Avrorin, V.B. Brudanin, G.V. Domogatsky, Mark Shelepov, N. M. Budnev, I. A. Belolaptikov, R. R. Mirgazov, A.P. Koshechkin, Konstantin Kebkal, M. Sturm, D. P. Petukhov, E.V. Khramov, I.A. Portyanskaya, K.V. Golubkov, A.P. Korobchenko, S.V. Lovtsov, V. Nazari, A. A. Doroshenko, Zh.-A.M. Dzhilkibaev, V. M. Aynutdinov, I. Shtekl, V. A. Kozhin, Sergey Yakovlev, A. I. Panfilov, O.G. Kebkal, M.I. Rozanov, V.D. Rushay, Aleksandr Gafarov, V.O. Serdyuk, A. V. Zagorodnikov, A.G. Solovjev, D.A. Kuleshov, Lukas Fajt, M.M. Kolbin, Fedor Šimkovic, Olga Suvorova, M.K. Kryukov, A. N. Dyachok, S.M. Korotaev, G.B. Safronov, and Rastislav Dvornický

Subjects
010504 meteorology & atmospheric sciences, Earth science, Physics, QC1-999, Neutrino telescope, 01 natural sciences, Deep water, Environmental studies, Neutrino detector, 0103 physical sciences, Underwater, Neutrino, Endemism, 010303 astronomy & astrophysics, Surface water, 0105 earth and related environmental sciences
Abstract

Lake Baikal in Siberia is one of the most interesting lakes in the world. It is the world’s largest reservoir of fresh surface water and home to several hundred endemic species. At the same time it harboured the first underwater neutrino telescope NT200, now followed by its successor Baikal-GVD, a cubic-kilometre scale neutrino telescope. Within the Baikal Neutrino project a number of methods and instruments have been designed to study various processes in the Baikal ecosystem. Hundreds of optical, acoustic and other sensors allow for long-term 3D monitoring of water parameters like temperature, inherent optical properties or the intensity of water luminescence, as well as processes like sedimentation or deep water renewal. Here we present selected results of the interdisciplinary environmental studies.

Published
2019

6. Baikal-GVD: status and prospects

Author

G.V. Domogatsky, D. P. Petukhov, V. A. Kozhin, Mark Shelepov, M.N. Sorokovikov, K.V. Konischev, M.B. Milenin, V.F. Kulepov, A. I. Panfilov, T.I. Gres, A.P. Koshechkin, O.G. Kebkal, Fedor Šimkovic, M.I. Rozanov, K.V. Golubkov, A. A. Doroshenko, Zh.-A.M. Dzhilkibaev, A.G. Solovjev, E.N. Pliskovsky, B. Shoibonov, E. A. Osipova, A.V. Avrorin, A.D. Avrorin, D.A. Kuleshov, G.B. Safronov, Lukas Fajt, B.A. Tarashansky, Rastislav Dvornický, R. Bannash, M.M. Kolbin, E.V. Khramov, S.V. Fialkovsky, Sergey Yakovlev, N. M. Budnev, Z. Honz, V.A. Tabolenko, V.D. Rushay, Aleksandr Gafarov, V.M. Aynutdinov, A. V. Zagorodnikov, Valery Zurbanov, Evgenii V Rjabov, A.P. Korobchenko, I. A. Belolaptikov, Konstantin Kebkal, I. Shtekl, V.B. Brudanin, R. R. Mirgazov, A. N. Dyachok, Olga Suvorova, and L. V. Pankov

Subjects
Physics, 010308 nuclear & particles physics, QC1-999, Neutrino telescope, Astronomy, 01 natural sciences, Massless particle, Neutrino detector, 0103 physical sciences, Cluster (physics), Russian federation, Neutrino, 010306 general physics, Lepton
Abstract

Baikal-GVD is a next generation, kilometer-scale neutrino telescope under construction in Lake Baikal. It is designed to detect astrophysical neutrino fluxes at energies from a few TeV up to 100 PeV. GVD is formed by multi-megaton subarrays (clusters). The array construction started in 2015 by deployment of a reduced-size demonstration cluster named "Dubna" . The first cluster in it’s baseline configuration was deployed in 2016, the second in 2017 and the third in 2018. The full-scale GVD will be an array of ~10.000 light sensors with an instrumented volume about of 2 cubic km. The first phase (GVD-1) is planned to be completed by 2020-2021. It will comprise 8 clusters with 2304 light sensors in total. We describe the design of Baikal-GVD and present selected results obtained in 2015 - 2017.

Published
2018

7. Baikal-GVD

Author

A.D. Avrorin, A.V. Avrorin, V.M. Aynutdinov, R. Bannash, I.A. Belolaptikov, V.B. Brudanin, N.M. Budnev, I.A. Danilchenko, S.V. Demidov, G.V. Domogatsky, A.A. Doroshenko, R. Dvornicky, A.N. Dyachok, Zh.-A.M. Dzhilkibaev, L. Fajt, S.V. Fialkovsky, A.R. Gafarov, O.N. Gaponenko, K.V. Golubkov, T.I. Gress, Z. Honz, K.G. Kebkal, O.G. Kebkal, K.V. Konischev, A.V. Korobchenko, A.P. Koshechkin, F.K. Koshel, A.V. Kozhin, V.F. Kulepov, D.A. Kuleshov, M.B. Milenin, R.A. Mirgazov, E.R. Osipova, A.I. Panfilov, L.V. Pan’kov, E.N. Pliskovsky, M.I. Rozanov, E.V. Rjabov, F.A. Shamakhov, B.A. Shaybonov, A.A. Sheifler, M.D. Shelepov, F. Simkovic, A.V. Skurihin, A.A. Smagina, I. Stekl, O.V. Suvorova, V.A. Tabolenko, B.A. Tarashansky, S.A. Yakovlev, A.V. Zagorodnikov, and V.L. Zurbanov

Subjects
Physics, QC1-999, 0103 physical sciences, 010306 general physics, 010303 astronomy & astrophysics, 01 natural sciences
Abstract

We present the status of the Gigaton Volume Detector in Lake Baikal (Baikal-GVD) designed for the detection of high energy neutrinos of astrophysical origin. The telescope consists of functionally independent clusters, sub-arrays of optical modules (OMs), which are connected to shore by individual electro-optical cables. During 2015 the GVD demonstration cluster, comprising 192 OMs, has been successfully operated in Lake Baikal. In 2016 this array was upgraded to baseline configuration of GVD cluster with 288 OMs arranged on eight vertical strings. Thus the instrumented water volume has been increased up to about 5.9 Mtons. The array was commissioned in early April 2016 and takes data since then. We describe the configuration and design of the 2016 array. Preliminary results obtained with data recorded in 2015 are also discussed.

Published
2017

8. Cross sections of nuclear isomers from the interaction of protons with the thin thorium target

Author

Robert Holomb, Ivan Haysak, R. Vespalec, J. Adam, Karel Katovsky, Lukas Zavorka, A. A. Solnyshkin, V.M. Tsupko-Sitnikov, J. Khushvaktov, J. Vrzalova, Miroslav Zeman, D.V. Karaivanov, V.B. Brudanin, S.A. Tari, and D.V. Philosophov

Subjects
Physics, 010308 nuclear & particles physics, QC1-999, chemistry.chemical_element, Thorium, 01 natural sciences, Spectral line, Nuclear physics, chemistry, Fragmentation (mass spectrometry), Synchrocyclotron, Aluminium, 0103 physical sciences, Nuclide, Irradiation, 010306 general physics, Isotopes of thorium
Abstract

The paper shows the results of experimental gamma spectra obtained with a thorium 232Th target and an aluminum collector irradiated at the JINR Synchrocyclotron with the internal beam of energies of 100 and 600 MeV. For 232Th there were identified 258 and 222 gamma lines that belong to 45 and 55 nuclides, respectively. For Al - 238, 330 lines and 81, 119 nuclides, respectively. The cross sections of fragmentation of the 232Th and Al nuclei under the interaction with protons 100 and 600 MeV was determined. A comparison of the obtained cross sections of the reaction with theoretical calculations was performed.

Published
2019
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9. Spatial positioning of underwater components for Baikal- GVD

Author

Aleksandr Gafarov, A. V. Zagorodnikov, R. R. Mirgazov, Mark Shelepov, E.N. Pliskovsky, A.V. Skurichin, T.I. Gres, K.V. Golubkov, K.V. Konischev, R. Bannash, B.A. Shaybonov, V.F. Kulepov, D. P. Petukhov, Evgenii V Rjabov, A. N. Dyachok, A.D. Avrorin, V. A. Kozhin, V.A. Tabolenko, I. Shtekl, M.V. Kruglov, I. A. Belolaptikov, Konstantin Kebkal, Olga Suvorova, A.V. Avrorin, V.D. Rushay, S.V. Fialkovsky, V.M. Aynutdinov, M.N. Sorokovikov, M.K. Kryukov, V.B. Brudanin, A. I. Panfilov, B.A. Tarashansky, Lukas Fajt, A. A. Doroshenko, O.G. Kebkal, M.B. Milenin, M.I. Rozanov, M.M. Kolbin, A.V. Korobchenko, Zh.-A.M. Dzhilkibaev, V. Nazari, G.V. Domogatsky, A.G. Solovjev, G.B. Safronov, Rastislav Dvornický, N.S. Gorshkov, A.P. Koshechkin, E.V. Khramov, Sergey Yakovlev, Fedor Šimkovic, N. M. Budnev, and D.A. Kuleshov

Subjects
Spatial positioning, Positioning system, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Orientation (computer vision), Astrophysics::High Energy Astrophysical Phenomena, Physics, QC1-999, Detector, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Geodesy, 01 natural sciences, Acceleration, Timing error, 0103 physical sciences, Underwater, 010306 general physics
Abstract

Baikal-GVD is a cubic kilometer-scale neutrino telescope currently under construction in Lake Baikal. The detector’s components are mobile and may drift from their initial coordinates or change their spatial orientation. This introduces a reconstruction error, particularly a timing error for PMT hits. This problem is mitigated by a combination of a hydroacoustic positioning system and per-component acceleration and orientation sensors. Under regular conditions, the average positioning accuracy for a GVD component is estimated to be less than 13 cm.

Published
2019
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10. Status of the Baikal-GVD Neutrino Telescope

Author

N. M. Budnev, A.V. Korobchenko, M.B. Milenin, A.V. Avrorin, Mark Shelepov, K.V. Konischev, R. Bannash, Lukas Fajt, V. A. Kozhin, A.V. Skurichin, M.M. Kolbin, B.A. Tarashansky, M.N. Sorokovikov, A. A. Doroshenko, D.A. Kuleshov, V.F. Kulepov, V.A. Tabolenko, E.V. Khramov, A. I. Panfilov, V.B. Brudanin, Zh.-A.M. Dzhilkibaev, R. R. Mirgazov, T.I. Gres, B.A. Shaybonov, A.P. Koshechkin, S.V. Fialkovsky, O.G. Kebkal, M.I. Rozanov, Fedor Šimkovic, V.D. Rushay, A. N. Dyachok, Sergey Yakovlev, K.V. Golubkov, V.M. Aynutdinov, V. Nazari, A.G. Solovjev, E.N. Pliskovsky, M.V. Kruglov, G.V. Domogatsky, D. P. Petukhov, Olga Suvorova, M.K. Kryukov, Aleksandr Gafarov, A. V. Zagorodnikov, I. Shtekl, A.D. Avrorin, G.B. Safronov, Rastislav Dvornický, I. A. Belolaptikov, Konstantin Kebkal, N.S. Gorshkov, and Evgenii V Rjabov

Subjects
Physics, Scale (ratio), Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Cherenkov detector, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, Detector, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, 01 natural sciences, law.invention, law, 0103 physical sciences, High Energy Physics::Experiment, Underwater, 010306 general physics
Abstract

Currently in Lake Baikal a new-generation neutrino telescope is being deployed: Baikal-GVD, a deep underwater Cherenkov detector on the cubic-kilometer scale. This paper presents the status of the detector implementation and the first physical results obtained with the existing configuration.

Published
2019
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11. LED based calibration systems of the Baikal-GVD neutrino telescope

Author

M.B. Milenin, B.A. Shaybonov, D.Yu. Bogorodsky, K.V. Konischev, A.A. Smagina, A. N. Dyachok, B.A. Tarashansky, R. Bannash, A.A. Sheifler, I. A. Danilchenko, Aleksandr Gafarov, A.V. Kozhin, A.P. Koshechkin, A. V. Zagorodnikov, Olga Suvorova, A.V. Korobchenko, A. A. Doroshenko, A.D. Avrorin, E. A. Osipova, L. V. Pankov, K.V. Golubkov, Zh.-A.M. Dzhilkibaev, A.V. Avrorin, V.I. Ljashuk, Mark Shelepov, G.V. Domogatsky, V.A. Tabolenko, A. I. Panfilov, V.F. Kulepov, O.G. Kebkal, M.I. Rozanov, S.V. Fialkovsky, D.A. Kuleshov, Sergey Yakovlev, Z. Honz, F.K. Koshel, V. A. Zhukov, N. M. Budnev, V.B. Brudanin, R. R. Mirgazov, Valery Zurbanov, T. I. Gress, E.N. Pliskovsky, A.V. Skurihin, I. A. Belolaptikov, Konstantin Kebkal, O. N. Gaponenko, Evgenii V Rjabov, and V.M. Aynutdinov

Subjects
Physics, Scale (ratio), Calibration (statistics), Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astrophysics, Nonlinear Sciences::Pattern Formation and Solitons
Abstract

Baikal-GVD is a cubic-kilometer scale neutrino telescope, which is currently under construction in Lake Baikal. GVD will consist of an array of optical modules arranged in clusters of strings. The first GVD-cluster has been deployed and put in operation in April 2015. We describe equipment and methods for the calibration of the first GVD-cluster and discuss the accuracy of the calibration procedures.

Published
2016

12. Baikal-GVD: Results, status and plans

Author

A.V. Avrorin, V.F. Kulepov, D.Yu. Bogorodsky, R. Bannash, O. N. Gaponenko, V.A. Tabolenko, K.V. Golubkov, A. A. Doroshenko, Evgenii V Rjabov, Zh.-A.M. Dzhilkibaev, A.P. Koshechkin, A.A. Smagina, V.I. Ljashuk, A.V. Korobchenko, B.A. Tarashansky, Mark Shelepov, N. M. Budnev, A. I. Panfilov, A.D. Avrorin, E. A. Osipova, O.G. Kebkal, M.I. Rozanov, G.V. Domogatsky, Aleksandr Gafarov, Sergey Yakovlev, A. V. Zagorodnikov, E.N. Pliskovsky, Z. Honz, D.A. Kuleshov, A.A. Sheifler, S.V. Fialkovsky, M.B. Milenin, F.K. Koshel, K.V. Konischev, I. A. Danilchenko, I. A. Belolaptikov, Konstantin Kebkal, R. R. Mirgazov, V.B. Brudanin, B.A. Shaybonov, A. N. Dyachok, A.V. Kozhin, Olga Suvorova, Valery Zurbanov, L. V. Pankov, V.M. Aynutdinov, T. I. Gress, and A.V. Skurihin

Subjects
Physics, Modular structure, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Astrophysics, 01 natural sciences, Software deployment, Functionally independent, 0103 physical sciences, Systems engineering, Neutrino, 010306 general physics, Nonlinear Sciences::Pattern Formation and Solitons
Abstract

The future next-generation neutrino telescope Baikal-GVD will be a km3-scale array aimed at the detection of astrophysical neutrino fluxes. It will have modular structure and consist of functionally independent sub-arrays - clusters of strings of optical modules. The prototyping phase of the project has been concluded in 2015 with the deployment of the first cluster of Baikal-GVD in Lake Baikal. We discuss the current status and perspectives of the Baikal-GVD project.

Published
2016

13. Acoustic Search for High Energy Neutrinos in Lake Baikal: Status and Perspectives

Author

A.V. Avrorin, V.F. Kulepov, B.A. Shaybonov, E. A. Osipova, A. N. Dyachok, A. A. Doroshenko, Zh.-A.M. Dzhilkibaev, V.I. Ljashuk, K.V. Golubkov, Mark Shelepov, A.V. Shkurihin, E.N. Pliskovsky, B.A. Tarashansky, A.A. Smagina, I. A. Belolaptikov, Konstantin Kebkal, A.V. Kozhin, Aleksandr Gafarov, D.Yu. Bogorodsky, Olga Suvorova, R. R. Mirgazov, A.D. Avrorin, A. V. Zagorodnikov, L. V. Pankov, G.V. Domogatsky, V.A. Tabolenko, M.B. Milenin, I. A. Danilchenko, V.B. Brudanin, O. N. Gaponenko, Evgenii V Rjabov, Valery Zurbanov, A. I. Panfilov, O.G. Kebkal, M.I. Rozanov, T. I. Gress, A.V. Korobchenko, V. Yu. Rubtzov, N. M. Budnev, V. M. Aynutdinov, Sergey Yakovlev, Z. Honz, D.A. Kuleshov, F.K. Koshel, R. Bannasch, S.V. Fialkovsky, A.A. Sheifler, K.V. Konischev, A.P. Koshechkin, and A. A. Perevalov

Subjects
Physics, High energy, COSMIC cancer database, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, Neutrino telescope, Ambient noise level, Astrophysics::Instrumentation and Methods for Astrophysics, 01 natural sciences, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, 010306 general physics, Remote sensing
Abstract

We report theoretical and experimental results of on-going feasibility studies to detect cosmic neutrinos acoustically in Lake Baikal. In order to examine ambient noise conditions and to develop re- spective pulse detection techniques a prototype device was created. The device is operating at a depth of 150 m at the site of the Baikal Neutrino Telescope and is capable to detect and classify acoustic signals with different shapes, as well as signals from neutrino- induced showers.

Published
2017
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14. Status and perspectives of the BAIKAL-GVD project

Author

V.F. Kulepov, K.V. Golubkov, I. A. Belolaptikov, A.P. Koshechkin, A.A. Smagina, Konstantin Kebkal, A.V. Avrorin, I. A. Danilchenko, O. N. Gaponenko, R. R. Mirgazov, Evgenii V Rjabov, A.D. Avrorin, K.V. Konischev, G.V. Domogatsky, N. M. Budnev, E. A. Osipova, A.V. Korobchenko, E. N. Konstantinov, A. A. Doroshenko, V.M. Aynutdinov, Sergey Yakovlev, Zh.-A.M. Dzhilkibaev, Aleksandr Gafarov, D.Yu. Bogorodsky, A. I. Panfilov, Z. Honz, T. I. Gress, A. V. Zagorodnikov, R. Bannash, A.A. Sheifler, O.G. Kebkal, S.V. Fialkovsky, M.I. Rozanov, V.B. Brudanin, A.V. Skurihin, B.A. Tarashansky, E.N. Pliskovsky, V. Yu. Rubtzov, V. A. Zhukov, V.I. Ljashuk, V.A. Tabolenko, D.A. Kuleshov, Valery Zurbanov, A. A. Perevalov, F.K. Koshel, M.B. Milenin, A.V. Kozhin, Olga Suvorova, L. V. Pankov, B.A. Shaybonov, and A. N. Dyachok

Subjects
Physics, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy, Astrophysics, 01 natural sciences, law.invention, Telescope, law, Software deployment, Functionally independent, 0103 physical sciences, Cluster (physics), Neutrino, 010306 general physics
Abstract

The neutrino telescope Baikal-GVD in Lake Baikal will be a research infrastructure aimed mainly at studying astrophysical neutrino fluxes. The telescope will consist of clusters of strings – functionally independent sub-arrays. The deployment of the first demonstration cluster has been started in April 2013. In 2014 the deployment of the second stage of the demonstration cluster has been performed. We describe the configuration and design of the first GVD cluster and review the current status of cluster deployment in Lake Baikal.

Published
2016
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15. The optical module of Baikal-GVD

Author

K.V. Golubkov, A.A. Smagina, E. A. Osipova, A.V. Avrorin, A.V. Korobchenko, V.F. Kulepov, A.D. Avrorin, T. I. Gress, G.V. Domogatsky, A.V. Skurihin, I. A. Danilchenko, I. A. Belolaptikov, Konstantin Kebkal, B.A. Tarashansky, V.B. Brudanin, A. A. Doroshenko, Zh.-A.M. Dzhilkibaev, M.B. Milenin, Aleksandr Gafarov, R. R. Mirgazov, V. M. Aynutdinov, A. V. Zagorodnikov, O. N. Gaponenko, Valery Zurbanov, N. M. Budnev, Evgenii V Rjabov, Sergey Yakovlev, Z. Honz, D.Yu. Bogorodsky, R. Bannash, D.A. Kuleshov, F.K. Koshel, V.A. Tabolenko, A.A. Sheifler, K.V. Konischev, A.P. Koshechkin, V.I. Ljashuk, S.V. Fialkovsky, V. A. Zhukov, B.A. Shaybonov, A. N. Dyachok, E.N. Pliskovsky, A.V. Kozhin, Olga Suvorova, L. V. Pankov, A. I. Panfilov, O.G. Kebkal, M.I. Rozanov, and Mark Shelepov

Subjects
Nuclear and High Energy Physics, Photomultiplier, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, QC1-999, Astrophysics, 01 natural sciences, String (physics), Particle detector, Optical Module, Data acquisition, Optics, 0103 physical sciences, Calibration, Radiology, Nuclear Medicine and imaging, Electronics, 010306 general physics, Nonlinear Sciences::Pattern Formation and Solitons, 010302 applied physics, Physics, Radiation, 010308 nuclear & particles physics, business.industry, Astrophysics::Instrumentation and Methods for Astrophysics, Modular design, Atomic and Molecular Physics, and Optics, Neutrino detector, Measuring instrument, High Energy Physics::Experiment, business, Sensitivity (electronics)
Abstract

In April 2015, the first cluster of Baikal-GVD was deployed in Lake Baikal and put into operation. It comprises eight strings. Each string consists of 24 optical modules. An optical module is a detection element of Baikal-GVD; it includes a Hamamatsu R7081-100 photomultiplier tube with a high quantum sensitivity. We describe the design of the optical module, the front-end electronics, and the laboratory characterization and calibration.

Published
2016
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16. The optical detection unit for Baikal-GVD neutrino telescope

Author

R. Bannash, A. I. Panfilov, A.A. Smagina, O.G. Kebkal, M.I. Rozanov, V.A. Tabolenko, V.I. Ljashuk, K.V. Konischev, B.A. Tarashansky, A.P. Koshechkin, A.A. Sheifler, A. A. Doroshenko, R. R. Mirgazov, A.D. Avrorin, Zh.-A.M. Dzhilkibaev, V.M. Aynutdinov, I. A. Danilchenko, G.V. Domogatsky, E.N. Pliskovsky, V.F. Kulepov, A.V. Avrorin, M.B. Milenin, K.V. Golubkov, Valery Zurbanov, E. N. Konstantinov, Sergey Yakovlev, E. A. Osipova, O. N. Gaponenko, A. A. Perevalov, Z. Honz, A.V. Korobchenko, Evgenii V Rjabov, T. I. Gress, A.V. Skurihin, V. Yu. Rubtzov, I. A. Belolaptikov, Konstantin Kebkal, Aleksandr Gafarov, S.V. Fialkovsky, V. A. Zhukov, V.B. Brudanin, A. V. Zagorodnikov, A.V. Kozhin, Olga Suvorova, L. V. Pankov, B.A. Shaybonov, A. N. Dyachok, D.A. Kuleshov, F.K. Koshel, N. M. Budnev, and D.Yu. Bogorodsky

Subjects
Physics, Physics::Instrumentation and Detectors, business.industry, QC1-999, Astrophysics::High Energy Astrophysical Phenomena, Neutrino telescope, Astrophysics::Instrumentation and Methods for Astrophysics, Astrophysics, String (physics), Optics, Section (archaeology), Calibration, business
Abstract

The first stage of the GVD-cluster composed of five strings was deployed in April 2014. Each string consists of two sections with 12 optical modules per section. A section is the basic detection unit of the Baikal neutrino telescope. We will describe the section design, review its basic elements – optical modules, FADC readout units, slow control and calibration systems, and present selected results for section in-situ tests in Lake Baikal.

Published
2016
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