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Abstract <p>The article considers depolarization effects caused by the hyperfine interaction between the total electronic-shell angular momentum and the nuclear spin. A pump–probe scheme is examined, and the corresponding photoelectron angular distributions are obtained. The analytical results are illustrated by calculations for a hydrogen-like target: a single electron in a Coulomb potential. Three most representative combinations of polarizations of the pump and probe fields are considered: colinear polarizations (1) and circularly polarized fields with the same (2) and opposite (3) helicities.</p>

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Role of Hyperfine Interaction in the Formation of Angular Distributions in the Ioization of Hydrogen-Like Targets in a Pump–Probe Scheme

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • K. A. Gnedovskaya,
  • M. M. Popova,
  • E. V. Gryzlova

摘要

Abstract

The article considers depolarization effects caused by the hyperfine interaction between the total electronic-shell angular momentum and the nuclear spin. A pump–probe scheme is examined, and the corresponding photoelectron angular distributions are obtained. The analytical results are illustrated by calculations for a hydrogen-like target: a single electron in a Coulomb potential. Three most representative combinations of polarizations of the pump and probe fields are considered: colinear polarizations (1) and circularly polarized fields with the same (2) and opposite (3) helicities.