Yu. M. Gavrilyuk
YOU?
Author Swipe
View article: Development of MMC-based lithium molybdate cryogenic calorimeters for AMoRE-II
Development of MMC-based lithium molybdate cryogenic calorimeters for AMoRE-II Open
The AMoRE collaboration searches for neutrinoless double beta decay of $$^{100}$$ Mo using molybdate scintillating crystals via low temperature thermal calorimetric detection. The early phases of the experiment, AMoRE-pilot and AMoRE-I,…
View article: Development of MMC-based lithium molybdate cryogenic calorimeters for AMoRE-II
Development of MMC-based lithium molybdate cryogenic calorimeters for AMoRE-II Open
The AMoRE collaboration searches for neutrinoless double beta decay of $^{100}$Mo using molybdate scintillating crystals via low temperature thermal calorimetric detection. The early phases of the experiment, AMoRE-pilot and AMoRE-I, have …
View article: Improved limit on neutrinoless double beta decay of $^{100}$Mo from AMoRE-I
Improved limit on neutrinoless double beta decay of $^{100}$Mo from AMoRE-I Open
AMoRE searches for the signature of neutrinoless double beta decay of $^{100}$Mo with a 100 kg sample of enriched $^{100}$Mo. Scintillating molybdate crystals coupled with a metallic magnetic calorimeter operate at milli-Kelvin temperature…
View article: Projected background and sensitivity of AMoRE-II
Projected background and sensitivity of AMoRE-II Open
AMoRE-II aims to search for neutrinoless double beta decay with an array of 423 Li$_2$$^{100}$MoO$_4$ crystals operating in the cryogenic system as the main phase of the Advanced Molybdenum-based Rare process Experiment (AMoRE). AMoRE has …
View article: Radioassay of the materials for AMoRE-II experiment
Radioassay of the materials for AMoRE-II experiment Open
The AMoRE-II experiment will search for the 0 νββ decay of 100 Mo nuclei using molybdate crystal scintillators, operating at milli-Kelvin (mK) temperatures, with a total of 80 kg of 100 Mo. The background goal for the experiment is 10 –4 c…
View article: Background study of the AMoRE-pilot experiment
Background study of the AMoRE-pilot experiment Open
We report a study on the background of the Advanced Molybdenum-Based Rare process Experiment (AMoRE), a search for neutrinoless double beta decay (\znbb) of $^{100}$Mo. The pilot stage of the experiment was conducted using $\sim$1.9 kg of …
View article: Erratum to: Several Articles in JETP Letters
Erratum to: Several Articles in JETP Letters Open
An Erratum to this paper has been published: https://doi.org/10.1134/S0021364022390011
View article: New Constraints on the Axion–Electron Coupling Constant for Solar Axions
New Constraints on the Axion–Electron Coupling Constant for Solar Axions Open
The resonant excitation of the 83 Kr first excited nuclear level ( E = 9.4 keV) by solar axions whose fluxes depend on the axion–electron coupling constant g Ae is sought. The γ- and X-ray photons and the conversion and Auger electrons fro…
View article: Characteristics of a matrix proportional counter with circular anodes
Characteristics of a matrix proportional counter with circular anodes Open
The construction of a butt-end multicell matrix proportional counter (MMPC) is presented in the work. Each cell is a butt-end proportional counter with a 5 mm cathode diameter and 0.8 mm circular anode diameter. In the example of the $3\ti…
View article: Recent advancements of the experiment to search for 2K-capture in <sup>124</sup>Xe using a Large Low-background Proportional Counter
Recent advancements of the experiment to search for 2K-capture in <sup>124</sup>Xe using a Large Low-background Proportional Counter Open
The new method for correcting the charge signal from the large proportional counter is proposed. The correction method makes possible to consider the loss of primary ionization electrons in the presence of weakly increasing microimpurities…
View article: Measurements of thermal relaxation of the OGRAN underground setup
Measurements of thermal relaxation of the OGRAN underground setup Open
An upgraded version of the OGRAN -- combined optical-acoustic gravitational wave detector -- has been investigated in a long-term operation mode. This installation, located at the Baksan Neutrino Observatory (BNO) INR RAS, is designed to w…
View article: $^{222}$Rn content variations at ground and underground conditions
$^{222}$Rn content variations at ground and underground conditions Open
The activity of $^{222}$Rn and its daughter isotopes was measured in the air of several underground laboratories of the Baksan Neutrino Observatory at various distances from the entrance. The measurements were carried out with the help of …
View article: Search for hadronic solar axions
Search for hadronic solar axions Open
Resonance excitation of the 83 Kr first nuclear level ( E = 9.4 keV) by solar axions formed via the Primakoff mechanism and via an M1-transition in the 83 Kr nucleus in the Sun is searched. The γ-and x-ray photons and the conversion and Au…
View article: Improving the Precision of Calibrating a Large Low-background Proportional Counter
Improving the Precision of Calibrating a Large Low-background Proportional Counter Open
The study of low-yield effects requires not only good quality of the original data but also puts high requirements for their processing procedures to increase the efficiency of the selection of useful events. The exploiting of the large cy…
View article: The Dark Matter search at KamLAND
The Dark Matter search at KamLAND Open
Recent data from the DAMA/LIBRA phase-2 confirmed detection of a signal with independent Dark Matter (DM) annual modulation signature at a 12.9 σ CL. Our attempts to verify the DAMA/LIBRA DM observation claim led to construction of undergr…
View article: TAU-4 installation intended for long-term monitoring of a half-life value of the $^{212}$Po
TAU-4 installation intended for long-term monitoring of a half-life value of the $^{212}$Po Open
Description of the TAU-4 installation intended for long-term monitoring of the half-life value $T_{1/2}$ of the $^{212}$Po is presented. Natural thorium used as a source of the mother's chain. The methods of measurement and data processing…
View article: Recent results of search for solar axions using resonant absorption by $^{83}$Kr nuclei
Recent results of search for solar axions using resonant absorption by $^{83}$Kr nuclei Open
A search for resonant absorption of the solar axion by $^{83}\rm{Kr}$ nuclei was performed using the proportional counter installed inside the low-background setup at the Baksan Neutrino Observatory. The obtained model independent upper li…
View article: Comparative study of the double-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>K</mml:mi></mml:math>-shell-vacancy production in single- and double-electron-capture decay
Comparative study of the double--shell-vacancy production in single- and double-electron-capture decay Open
We carried out the comparative study of the signal from the decay of double\n$K$-shell vacancy production that follows after single $K$-shell electron\ncapture of $^{81}$Kr and double $K$-shell electron capture of $^{78}$Kr. The\nradiative…
View article: Towards <sup>14</sup>C-free liquid scintillator
Towards <sup>14</sup>C-free liquid scintillator Open
A series of measurements has been started where the 14C concentration is determined from several liquid scintillator samples. A dedicated setup has been designed and constructed with the aim of measuring concentrations smaller than 10−18. …
View article: Measuring the<sup>14</sup>C content in liquid scintillators
Measuring the<sup>14</sup>C content in liquid scintillators Open
We are going to perform a series of measurements where the 14C/12C ratio will be measured from several liquid scintillator samples with a dedicated setup. The setup is designed with the aim of measuring ratios smaller than 10−18. Measureme…