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Resonant absorption of gamma-ray multipole mixtures with applications to oriented nuclei

Реэонансное поглошение мультипоьных смесей гамма-лучей с применениями к ориентированным ядрам

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Il Nuovo Cimento B (1965-1970)

Summary

Relative absorption transition probabilities are calculated using statistical operators representing emission and absorption of gamma multipoles. The results are specialized to the case of absorption ofE2-M1 mixtures in the Mössbauer spectrum of57Fe nuclei, and are tabulated for immediate experimental use. For the case of oriented absorber nuclei, an explicit linear dependence of the transmitted intensity upon the polarization of57Fe nuclei is found.

Riassunto

Si calcolano le probabilità relative di transizione di assorbimento usando operatori statistici che rappresentano l’emissione e l’assorbimento di multipoli dei gamma. Si applicano i risultati al caso dell’assorbimento di misceleE2-M1 nello spettro di Mössbauer dei nuclei di57Fe, e si tabulano i risultati per un immediato uso sperimentale. Nel caso di nuclei dell’assorbitore orientati si trova una dipendenza lineare esplicita dell’intensità trasmessa dalla polarizzazione del nucleo di57Fe.

Реэюме

Вычисляются относительные вероятности абсорбционных переходов, испольэуя статистические операторы, представляюшие испускание и поглошение гамма-мультиполей. Реэультаты приспосабливаются к случаю поглошения смесиE2-M1 в спектре Мёссбаузра для ядер57Fe, и табулируются для непосредственного зкспериментального испольэования. Для случая ориентированных ядер поглотителя была найдена точная линейная эависимость интенсивности пропускания от поляриэации ядер57Fe.

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References

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Misra, S.K. Resonant absorption of gamma-ray multipole mixtures with applications to oriented nuclei. Nuovo Cimento B (1965-1970) 59, 152–164 (1969). https://doi.org/10.1007/BF02711028

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