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EXCITATION OF MULTIPOLAR TRANSITIONS IN NUCLEI BY TWISTED PHOTONS
- Authors: Kazinski P.O1, Sokolov A.A1
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Affiliations:
- Tomsk State University
- Issue: Vol 87, No 4 (2024)
- Pages: 355-362
- Section: Articles
- URL: https://bakhtiniada.ru/0044-0027/article/view/273240
- DOI: https://doi.org/10.31857/S0044002724040063
- EDN: https://elibrary.ru/JNIIGR
- ID: 273240
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Abstract
The explicit expression for the probability of absorption of a twisted photon by an atomic nucleus has been obtained. It is shown that photoabsorption obeys the selection rule 𝑗 > |𝑚γ|, where 𝑗 is the multipolarity of the nuclear transition, when the nuclei lie near the axis along which a twisted photon with a projection of the total angular momentum 𝑚γ propagates. In the long-wave limit, the main contribution to the probability of absorption of a twisted photon comes from the multipole transition with 𝑗 = |𝑚γ|. The absorption coefficient for twisted photons in a target consisting of many nuclei has been found.
About the authors
P. O Kazinski
Tomsk State University
Email: kpo@phys.tsu.ru
Tomsk, Russia
A. A Sokolov
Tomsk State University
Email: alexei.sokolov.a@gmail.com
Tomsk, Russia
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