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


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Аннотация

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.

Авторлар туралы

Yu. Novoseltsev

Institute for Nuclear Research

Хат алмасуға жауапты Автор.
Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

M. Boliev

Institute for Nuclear Research

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

V. Volchenko

Institute for Nuclear Research

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

G. Volchenko

Institute for Nuclear Research

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

I. Dzaparova

Institute for Nuclear Research; Institute of Astronomy

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312; ul. Pyatnitskaya 48, Moscow, 119017

M. Kochkarov

Institute for Nuclear Research

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

R. Novoseltseva

Institute for Nuclear Research

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

V. Petkov

Institute for Nuclear Research; Institute of Astronomy

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312; ul. Pyatnitskaya 48, Moscow, 119017

A. Yanin

Institute for Nuclear Research

Email: novoseltsev@inr.ru
Ресей, pr. 60-letiya Oktyabrya 7a, Moscow, 117312

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© Pleiades Publishing, Inc., 2017