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RAS PhysicsЯдерная физика Physics of Atomic Nuclei

  • ISSN (Print) 0044-0027
  • ISSN (Online) 3034-6282

PHELEX — PRESENT STATUS

PII
S3034628225050057-1
DOI
10.7868/S3034628225050057
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 88 / Issue number 5
Pages
427-432
Abstract
This paper presents the results of measurements of diurnal variations in the single electron count rate arising from dark photon conversion at the cathode of a gas proportional counter. Three experimental series were conducted, each consisting of 4 runs lasting approximately 60 days per run. One can expect an excess in the single electron count rate above the average level if the polarization vector of dark photons in the region traversed by the Sun forms an angle between 20° and 50° with the Earth’s rotational axis. Such an effect was observed in the first series (significance 6σ) and the second series (significance 4σ). However, in the third series, which employed two identical detectors simultaneously, the effect was not observed on either detector. This result practically excludes the possibility that the effect observed earlier was purely instrumental. The results of the three series may be interpreted as a possible effect arising from the Sun’s passage through regions of dark matter characterized by different orientations of the dark photon polarization vector.
Keywords
темные фотоны многокатодный счетчик газовый пропорциональный счетчик
Date of publication
01.02.2026
Year of publication
2026
Number of purchasers
0
Views
14

References

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  3. 3. A. V. Kopylov, I. V. Orekhov, and V. V. Petukhov, Phys. At. Nucl. 86, 1296 (2023).
  4. 4. A. V. Kopylov, I. V. Orekhov, V. V. Petukhov, and A. E. Solomatin, Phys. At. Nucl. 87, 810 (2024).
  5. 5. A. V. Kopylov, I. V. Orekhov, V. V. Petukhov, and A. E. Solomatin, Instrum. Exp.Tech. 68, 7 (2025).
  6. 6. A. V. Kopylov, I. V. Orekhov, V. V. Petukhov, and A. E. Solomatin, arXiv: 2408.03620v2 [hep-ex].
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