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Asymmetry in emission of photons with left- and right-hand circular polarizations in two-photon decay

Konstantin N. Lyashchenko1,*, Victoria A. Knyazeva2, Oleg Yu. Andreev2,3, and Deyang Yu1,4

  • 1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 2St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia
  • 3Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre Kurchatov Institute, Gatchina, Leningrad District 188300, Russia
  • 4University of Chinese Academy of Sciences, Beijing 100049, China

  • *k.n.lyashenko@impcas.ac.cn
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Phys. Rev. A 104, L010801 – Published 1 July, 2021

DOI: https://doi.org/10.1103/PhysRevA.104.L010801

Abstract

Two-photon decay of the 2s state in H-like ions is investigated. We report that asymmetry in the emission of photons with left- and right-hand circular polarizations can be observed in this transition if the initial state has a certain polarization. This asymmetry can be used to measure the polarization of ion beams.

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Phys. Rev. A 104, L010801– Published 1 July, 2021
  • Received 15 April 2021
  • Revised 17 June 2021
  • Accepted 21 June 2021
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