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Emission of Photons at the Interaction of a High-Energy Positron Beam with a Periodically Deformed Crystal |
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- A.A. Yanovich, A.G. Afonin, G.I. Britvich, M.Yu. Chesnokov, Y.A. Chesnokov, A.A. Durum, M.Yu. Kostin, I.S. Lobanov, V.I. Pitalev, I.V. Poluektov, Yu.E. Sandomirskiy
IHEP, Moscow Region, Russia
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Funding: Russian science foundation (grant 17-12-01532)
Periodically deformed crystals have long attracted at-tention as "crystalline undulators". In the experi-ment carried out at the U-70 accelerator, the radiation of positrons moving in a periodically deformed crystal was observed. Experimental evidence has been obtained for an undulator peak in a radiation spectrum, which is quali-tatively consistent with calculations. It is shown that most of the emitted energy is due to hard photons with energies of tens of MeV as a result of channeling and reflection of particles, whose spectral density is several times higher than the radiation in an amorphous target.
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Poster TUPSB32 [0.864 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-RuPAC2021-TUPSB32
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| About • |
Received ※ 06 September 2021 — Accepted ※ 10 September 2021 — Issued ※ 17 September 2021 |
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