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The gamma-decay of the1644 and1650 keV resonances in the44 Ca(p, ψ) 45 Sc reaction

Гамма-распад резонансов 1644 и 1650 кэВ в реакции44Ca(p, ψ)45Sc

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Il Nuovo Cimento A (1965-1970)

Summary

The decay schemes have been studied for ψ-rays from the (p, ψ) reaction on44Ca at the resonancesE P = 1644 and 1650 keV and the energy levels have been obtained for45Sc. The angular distributions have been measured for several primary and secondary ψ-rays and theJ π values of the resonance states have been found to be 3/2−. The spin values of several levels found in previous experiments are confirmed and those for the 1067 and 1555 keV levels are found to be 3/2 and 1/2, respectively.

Riassunto

Sono stati studiati gli schemi di decadimento per i raggi ψ dalla reazione (p, ψ) sul44C alle risonanzeE P=1644 e 1650 keV e sono stati ottenuti i livelli di energia per l’45Sc. Sono state misurate le distribuzioni angolari per parecchi raggi ψ primari e secondari e si sono trovati valori diJ π degli stati di risonanza uguali a 3/2−. Sono stati confermati i valori di spin di parecchi livelli trovati in precedenti esperimenti e si sono trovati valori per i livelli 1067 e 1555 keV uguali a 3/2 ed 1/2, rispettivamente.

Резюме

Исследуются схемы тамма-распадов в (p, ы) реакции на44Са в резонансахE P=1644 и 1650 кэВ. Получаются энергетические уровни45Sc. Измеряются угловые распределения для первичных и вторичных гамма-лучей. Обнаружено, что значенияJ π для резонансных состояний равны 3/2−. Подтверждаются величины спина для некоторых уровней, которые были опредены в предыдущох экспериментах. Значения спинов для уровней 1067 и 1555 кэВ соответственно составляют 3/2 и 1/2.

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Authors and Affiliations

  1. Atomic Energy Centre, Dacca, Bangladesh

    N. A. Awal

  2. Department of National Health and Welfare, Radiation Protection Division, Brookfield Road, Ottawa, Ontario, Canada

    W. M. Zuk

  3. Department of Physics, University of Dacca, Dacca, Bangladesh

    H. M. Sen Gupta

Authors
  1. N. A. Awal
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  2. W. M. Zuk
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  3. H. M. Sen Gupta
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Additional information

Based in part on the Ph. D. thesis submitted by one of the authors (MAA) to the University of Dacca, Dacca.

Traduzione a cura della Redazione.

Перевебено ребакцией.

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Awal, N.A., Zuk, W.M. & Sen Gupta, H.M. The gamma-decay of the1644 and1650 keV resonances in the44 Ca(p, ψ) 45 Sc reaction. Nuov Cim A 52, 175–190 (1979). https://doi.org/10.1007/BF02902044

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  • DOI: https://doi.org/10.1007/BF02902044

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