Summary
Angular distributions for the31P(3He, α)30P reaction induced by 10 MeV3He particles have been measured. We have found experimental evidence that the 3+ (T=0) states at 2.54 and 1.98 MeV excitation energy and the 2+ (T=0) 1.46 MeV state, arise from the excitation of the28Si core. The other state up to an excitation energy of 3 MeV are well described by the 2s 1/2-1d 3/2 configuration.
Riassunto
Si è studiata la reazione31P(3He, α)30P ad una energia del fascio incidente di 10 MeV e per livelli del nucleo residuo al di sotto di 3 MeV di eccitazione. I risultati sperimentali indicano che gli stati 3+ (T=0) a 2.54 e 1.98 MeV e lo stato 2+ (T=0) a 1.46 MeV, provengono dall'eccitazione del core di28Si. Gli altri stati vengono descritti bene dalla configurazione 2s 1/2-1d 3/2.
Резюме
Были измерены угловые распределения для реакции31P(3He, α)30P, вызванной3He частицами с энергией 10 МэВ. Мы обнаружили экспериментальное подтверждение, что 3+ (T=0) состояния с энергией возбуждения 2.54 и 1.98 МэВ и состояния 2+ (T=0) с энергией 1.46 МэВ возникают из возбуждения остова28Si. Также описываются другие состояния вплоть до энергии возбуждения 3 МэВ с помощью конфигурации 2s 1/2-1d 3/2.
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References
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P. W. M. Glaudemans, G. Wiechers andP. J. Brussaard:Nucl. Phys.,56, 529, 548 (1964).
F. Pellegrini, I. Filosofo, F. Gentilin, I. Scotoni andI. Gabrielli:Nuovo Cimento,65 A, 297 (1970).
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Work performed as a part of the NU2 program of the Istituto Nazionale di Fisica Nucleare.
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Pellegrini, F., Filosofo, I. & Gentilin, F. Experimental study of (3He, α) reactions on 2s-1d and 1f 7/2 nuclei II—The31P(3He, α)30P reaction. Nuovo Cimento A (1965-1970) 65, 311–317 (1970). https://doi.org/10.1007/BF02726324
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DOI: https://doi.org/10.1007/BF02726324