EPJ Web Conf.
Volume 253, 2021ANIMMA 2021 – Advancements in Nuclear Instrumentation Measurement Methods and their Applications
|Number of page(s)||5|
|Section||Current Trends in Development of Radiation Detectors|
|Published online||19 November 2021|
Design and first tests of the S3 detector of reactor antineutrinos
Institute of Experimental and Applied Physics, CTU in Prague, Czech Republic
2 Faculty of Nuclear Sciences and Physical Engineering, CTU in Prague, Czech Republic
3 Institute of Macromolecular Chemistry, Czech Academy of Sciences, Czech Republic
4 Joint Institute for Nuclear Research, Dubna, Russia
Published online: 19 November 2021
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.
Key words: S3 experiment / reactor neutrinos / neutrino oscillations
© The Authors, published by EDP Sciences, 2021
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