13 citations · 39 across the 13 of their papers we have counts for
13 papers
The Dark Photon in the PHELEX Experiment
A. V. Kopylov, I. V. Orekhov, V. V. Petukhov +1
This paper presents diurnal measurements of the single-electron count rate in the PHELEX experiment using multi-cathode counters over the period from 2023 to 2026. The results obta…
Do We Observe Dark Photons in PHELEX with a Multi-Cathode Counter?
Anatoly Kopylov, Igor Orekhov, Valery Petukhov
In this paper, we report the results obtained in the PHoton ELectron EXperiment (PHELEX) during 208 days of measurements in the search for dark photons using a multi-cathode counte…
The Latest Results of Experiment on The Search for Dark Photons With a Multicathode Counter
A. V. Kopylov, I. V. Orekhov, V. V. Petukhov
The technique is described of the search for dark photons with a multicathode counter. The aim of experiment is to search for diurnal variations of the effect from conversion of da…
Diurnal variations of the count rates from dark photons in PHELEX
A. Kopylov, I. Orekhov, V. Petukhov
We describe the experiment PHELEX (PHoton-ELectron EXperiment) on the search for dark photons of cold dark matter using a technique of multi-cathode counter developed by us for thi…
Present Status Of The Experiment On The Search For Dark Photons By Multi-Cathode Counter
A. Kopylov, I. Orekhov, V. Petukhov
In this paper we describe the apparatus used in this experiment and the procedure of data treatment. We give the latest experimental results and discuss the possibility to observe…
Results from a Hidden Photon Dark Matter Search Using a Multi-Cathode Counter
A. Kopylov, I. Orekhov, V. Petukhov
Here we present measurements of the rates of emission of single electrons from the cathode of a proportional counter filled with a mixture of Ar + CH4 (10%) at 1 bar. We interpret…
Search for Hidden Photon Dark Matter Using a Multi-Cathode Counter
A. Kopylov, I. Orekhov, V. Petukhov
A search for hidden-photon (HP) dark matter using a multi-cathode counter is reported. The technique based on counting of single electrons emitted from outer cathode of the proport…
Work of a multi-cathode counter in a single electron counting mode
A. V. Kopylov, I. V. Orekhov, V. V. Petukhov
We describe a work of a multi-cathode counter of the developed design in a single electron counting mode with a cathode made of aluminum alloy. The results of the calibration of th…
The Measurement of a Temperature Dependence of the Count Rate of Single Electrons Emitted From Copper by Means of a Multicathode Counter
Anatoly Kopylov, Igor Orekhov, Valery Petukhov
It was found that at cryogenic temperatures the spontaneous emission of single electrons from cathode of PMT is increased by lowering the temperature of PMT. This effect has not fo…
New results of the search for hidden photons by means of a multicathode counter
Anatoly Kopylov, Igor Orekhov, Valery Petukhov
New upper limit on a mixing parameter for hidden photons with a mass from 5 eV till 10 keV has been obtained from the results of measurements during 78 days in two configurations R…
Using a Multi-Cathode Counter (MCC) in the Search for Hidden Photon CDM
A. V. Kopylov, I. V. Orekhov, V. V. Petukhov
We report on a new technique of a Multi-Cathode Counter (MCC) developed to search for hidden photon (HP) cold dark matter (CDM) with a mass from 5 to 10 eV. The method suggested in…
Gaseous Detector with sub keV Threshold to Study Neutrino Scattering at Low Recoil Energies
A. V. Kopylov, I. V. Orekhov, V. V. Petukhov +1
Gaseous detector with a sub keV electron equivalent threshold is a very perspective tool for the precision measurement of the neutrino magnetic moment and to observe coherent scatt…
Large Gaseous Detector of Ionizing Eradiation in Search for Coherent Neutrino-Nucleus Scattering
A. V. Kopylov, I. V. Orekhov, V. V. Petukhov +1
We propose to search for coherent neutrino-nucleus scattering (CNNS)by means of a triple-sectioned low background proportional counter. As a working medium we plan to use argon and…