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Isomer production in intermediate-energy deuteron-induced reactions on a gold target

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Autor(es):
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Balabekyan, A. R. ; Karapetyan, G. S. ; Demekhina, N. A. ; Drnoyan, D. R. ; Zhemenik, V. I. ; Adam, J. ; Zavorka, L. ; Solnyshkin, A. A. ; Tsoupko-Sitnikov, V. M. ; Guimaraes, V. ; Deppman, A.
Número total de Autores: 11
Tipo de documento: Artigo Científico
Fonte: PHYSICAL REVIEW C; v. 93, n. 5, p. 6-pg., 2016-05-18.
Resumo

Residual nuclei formed at ground and isomeric states from the interaction of 4.4 GeV deuteron with a gold target have been measured and investigated by the induced-activity method. Eight isomeric and ground-state pairs of target residues in the mass range of 44 < A < 198 were identified by off-line gamma-spectroscopy analysis and their isomer ratios were obtained from the cross-section production. From the isomer ratio data of the formed Au-196 and Hg-197 nuclei, the average intrinsic angular momentum of the composite system was estimated by means of a simple statistical model based on the formalism developed by Huizenga and Vandenbosch. (AU)

Processo FAPESP: 14/00284-1 - Produção de nuclídeos em estados isométricos com reações de dêuteron a altas energias em alvo de ouro e chumbo
Beneficiário:Gayane Karapetyan
Modalidade de apoio: Bolsas no Exterior - Estágio de Pesquisa - Pós-Doutorado
Processo FAPESP: 14/14432-2 - Investigação espectroscópica de núcleos de interesse para astrofísica nuclear
Beneficiário:Valdir Guimarães
Modalidade de apoio: Bolsas no Exterior - Pesquisa