Issue |
EPJ Web Conf.
Volume 253, 2021
ANIMMA 2021 – Advancements in Nuclear Instrumentation Measurement Methods and their Applications
|
|
---|---|---|
Article Number | 11011 | |
Number of page(s) | 5 | |
Section | Current Trends in Development of Radiation Detectors | |
DOI | https://doi.org/10.1051/epjconf/202125311011 | |
Published online | 19 November 2021 |
https://doi.org/10.1051/epjconf/202125311011
Design and first tests of the S3 detector of reactor antineutrinos
1
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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