18 Result(s)

Article

Electron Noise Generated by Cosmic Muons in the RED-100 Two-Phase Xenon Emission Detector

It is shown that the working volume of the RED-100 two-phase emission detector, which operates in a ground-based laboratory with liquid xenon used as a working substance, is a source of single-electron noise s...

D. Yu. Akimov, I. S. Aleksandrov, V. A. Belov… in Instruments and Experimental Techniques (2023)

Article

A Setup for Studying Electroluminescence in Gaseous Xenon

A laboratory experimental setup based on an electroluminescent chamber with gaseous xenon at room temperature and a pressure of 6 atm is described. It is used in the educational process to study electrolumines...

D. Yu. Akimov, A. I. Bolozdynya… in Instruments and Experimental Techniques (2022)

Article

A Passive Shield for the RED-100 Neutrino Detector

A combined passive shield of the RED-100 two-phase emission neutrino detector has been developed and built for suppressing the background of external γ rays and neutrons. The shield is composed of a 5‑cm-thick...

D. Yu. Akimov, I. S. Aleksandrov, V. A. Belov… in Instruments and Experimental Techniques (2021)

Article

An Integral Method for Processing Xenon Used as a Working Medium in the RED-100 Two-Phase Emission Detector

An integral method is described for processing xenon used as a working medium in the RED-100 two-phase emission detector constructed in the NRNU MEPhI to study the process of elastic coherent neutrino scatteri...

D. Yu. Akimov, V. A. Belov, A. I. Bolozdynya… in Instruments and Experimental Techniques (2019)

Article

Synthesis of Titanium Nanoparticles in Liquid Xenon by a High-Voltage Discharge

The formation of titanium nanoparticles (NPs) in a high-voltage electric discharge between titanium electrodes in liquid xenon at a temperature of –105°C has been observed. It has been shown that these titaniu...

D. Yu. Akimov, V. A. Belov, S. V. Bobkov, A. I. Bolozdynya… in Technical Physics Letters (2018)

Article

Purification of liquid xenon with the spark discharge technique for use in two-phase emission detectors

A procedure for spark-discharge purification of a liquid xenon sample with a mass of 55 kg is described. The average lifetime of ionization electrons before capture by electronegative impurities in liquid xeno...

D. Yu. Akimov, V. A. Belov, A. K. Berdnikova… in Instruments and Experimental Techniques (2017)

Article

The RED-100 two-phase emission detector

The RED-100 experimental setup, which is designed to detect elastic coherent neutrino scattering off xenon nuclei, is described. One specific feature of this setup is the possibility of using it in above groun...

D. Yu. Akimov, I. S. Aleksandrov, V. A. Belov… in Instruments and Experimental Techniques (2017)

Article

Thermostatting of the RED-100 liquid-xenon emission detector

The thermal stabilization system of the RED-100 liquid-xenon two-phase emission detector for the experiment aimed at detecting the effect of coherent neutrino scattering off xenon nuclei has been tested. The s...

A. I. Bolozdynya, Yu. V. Efremenko… in Instruments and Experimental Techniques (2016)

Article

The digital trigger system for the RED-100 detector

The system for forming a trigger for the liquid xenon detector RED-100 is developed. The trigger can be generated for all types of events that the detector needs for calibration and data acquisition, including...

P. P. Naumov, D. Yu. Akimov, V. A. Belov, A. I. Bolozdynya… in Physics of Atomic Nuclei (2015)

Article

Thermal stabilization system for the RED-100 liquid-xenon emission detector

The thermal stabilization system for the RED-100 liquid-xenon two-phase emission detector has been designed and tested. The RED-100 detector is developed by the Russian Emission Detectors (RED) collaboration f...

V. V. Ananiev, A. I. Bolozdynya, K. F. Vlasik… in Instruments and Experimental Techniques (2015)

Article

Noise characteristics of low-background Hamamatsu R11410-20 photomultiplier tubes

The RED-100 two-phase liquid xenon emission detector is developed today for the experiment aimed at searching for elastic coherent neutrino scattering off atomic nuclei. The main elements of the photodetector ...

D. Yu. Akimov, A. I. Bolozdynya… in Instruments and Experimental Techniques (2015)

Article

A γ probe for radionuclide diagnostics of cancer

A miniature γ probe for nuclear medicine based on a LaBr₃:Ce scintillation crystal and a silicon photomultiplier is described. The γ ray detection efficiency is 29% for ¹³⁷Cs (662 keV) and 70% for ⁵⁷Co (122 keV)....

A. I. Bolozdynya, K. A. Vorobiev… in Instruments and Experimental Techniques (2015)

Article

Recording of relativistic particles in thin scintillators

Results of investigating an assembly of thin scintillators and silicon photomultipliers for registering relativistic particles with the minimum ionization are presented. A high efficiency of registering relati...

I. A. Tolstukhin, A. S. Somov, S. V. Somov… in Instruments and Experimental Techniques (2014)

Article

A controllable voltage divider for Hamamatsu R11410-20 photomultipliers for use in the RED 100 emission detector

A control circuit for the operation of Hamamatsu R11410-20 photomultiplier tubes (PMTs), which is intended for use in the RED 100 liquid-xenon emission detector, was developed. To prevent the photocathode degr...

D. Yu. Akimov, A. I. Bolozdynya… in Instruments and Experimental Techniques (2014)

Article

Measurement of single-electron noise in a liquid-xenon emission detector

A technique for studying single-electron noise in emission detectors that are intended for detection of rare processes with small energy releases is developed. Examples of possible applications are experiments...

D. Yu. Akimov, I. S. Aleksandrov, V. A. Belov… in Instruments and Experimental Techniques (2012)

Article

Measuring the⁸⁵Kr content in krypton using a liquid ionization chamber

S. N. Anisimov, A. S. Barabash, A. I. Bolozdynya, V. N. Stekhanov in Soviet Atomic Energy (1989)