Searching for neutrino bursts in the galaxy: 36 years of exposure

The Baksan Underground Scintillation Telescope has operated within the program of searching for neutrino bursts since the mid-1980s. We present the current status of the experiment and some results related to the investigation of background events and the stability of facility operation. Over the pe...

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Bibliographic Details
Published inJournal of experimental and theoretical physics Vol. 125; no. 1; pp. 73 - 79
Main Authors Novoseltsev, Yu. F., Boliev, M. M., Volchenko, V. I., Volchenko, G. V., Dzaparova, I. M., Kochkarov, M. M., Novoseltseva, R. V., Petkov, V. B., Yanin, A. F.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.07.2017
Springer
Springer Nature B.V
Subjects
ABLATION
Astrophysics
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
Bursting
Bursts
Classical and Quantum Gravitation
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Elementary Particles
EXPLOSIONS
Fields
GALAXIES
GRAVITATION
Gravitational collapse
NEUTRINOS
Nuclei
OPERATION
Particle and Nuclear Physics
Particles
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Scintillation
SCINTILLATIONS
Searching
Solid State Physics
STARS
TELESCOPES
UNDERGROUND
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Summary:The Baksan Underground Scintillation Telescope has operated within the program of searching for neutrino bursts since the mid-1980s. We present the current status of the experiment and some results related to the investigation of background events and the stability of facility operation. Over the period from June 30, 1980, to December 31, 2016, the pure observation time was 31.27 years. No neutrino burst candidate event from the explosion of a core-collapse supernova in the Galaxy was recorded in this time. This sets an upper bound of 0.074 yr –1 on the mean frequency of gravitational stellar collapses in the Galaxy at a 90% confidence level.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776117070226