The possibility of observing diurnal variations in the count rate of dark photons using multicathode counters is considered. It is shown that with detectors placed in three mines at different latitudes, Pyhäsalmi (Finland), BNO (Russia), and INO (India), and with measurements performed at three different detector orientations, a set of data can be obtained that is complete enough to allow determining the dark photon field vector. The results of the latest measurements with counters we developed are reported.
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The authors are grateful to G.I. Rubtsov for helpful discussions.
The work was supported within the framework of the INR Basic Research program.
Translated by M. Potapov
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Kopylov, A.V., Orekhov, I.V. & Petukhov, V.V. On the Possibility of Observing Diurnal Variations in the Count Rate of Dark Photons Using Multicathode Counters. Phys. Part. Nuclei 52, 31–38 (2021). https://doi.org/10.1134/S1063779621010032