Crystals as a Source of Gamma Quanta

TL;DR

This paper investigates how nuclear excitons form in crystals with excited and unexcited nuclei, affecting gamma emission probabilities and radiation concentration, revealing new insights into nuclear collective behavior in solid-state environments.

Contribution

It derives conditions for nuclear exciton formation and quantifies how they influence gamma emission probabilities and radiation focusing in crystals.

Findings

Nuclear excitons form under specific crystal conditions.

Formation increases emission level width and concentrates radiation.

Total spontaneous emission probabilities are derived for various excited nuclei configurations.

Abstract

Conditions for the appearance of a nuclear exciton in a crystal consisting of excited and unexcited nuclei of a given type are determined. The total probabilities for spontaneous -emission by a single excited nucleus or by an arbitrary number of excited nuclei in the crystal are derived. It is shown that the formation of a nuclear exciton is connected with an increase of the width of the emitting level and with the concentration of the radiation in a narrow solid angle.