What question did this study set out to answer?

The research investigates how the spin of electrons and positrons affects energy levels when subjected to planar channeling.

March 5, 2026Open Access

On Possibility of Spin Manifestation in Channeling Radiation

BABabaev A.DSDabagov S.B.

Key Points

The research investigates how the spin of electrons and positrons affects energy levels when subjected to planar channeling.
Analyzed the Dirac equation for electrons and positrons under channeling conditions.
Estimated the impact of spin on bound energy levels using an analytical approach.
Considered various crystal structures during analysis.
Found that spin introduces a small splitting in bound energy levels.
Demonstrated this effect is more pronounced for ultra relativistic projectiles.
Indicated that precise measurement techniques could detect these spin effects.

Abstract

The Dirac equation for both electron and positron moving under planar channeling condition was considered. The influence of projectile's spin on the bound energy levels of transverse motion was estimated within analytical approach. The estimates show that for ultra relativistic projectiles and for variety of crystals the presence of a spin results in a small splitting of a bound energy level. This effect, in principle, can be revealed by the use of precise techniques.

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