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Título : Properties of the C-12 10 MeV state determined through β-decay
Autor : Diget, C. Aa.; Barker, F. C.; García Borge, María José ; Cederkäll, J.; Fedosseev, V. N.; Fraile, Luis M. ; Fulton, B. R.; Fynbo, H. O. U.; Jeppesen, Henrik B.; Jonson, B.; Köster, U.; Meister, M.; Nilsson, T.; Nyman, G.; Prezado, Yolanda ; Riisager, K.; Rinta-Antila, S.; Tengblad, Olof ; Turrión, Manuela ; Wilhelmsen, K.; Äystö, Juha
Palabras clave : Radioactivity Be-12(β-) B-12(β(-)3α) [produced in Ta(p, X)]
Measured α-particle coincidences
R-matrix analysis
Deduced spin and parity of levels in C-12
Double-sided Si strip detector
[PACS] β decay; double β decay; electron and muon capture
[PACS] Hydrostatic stellar nucleosynthesis
[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Fecha de publicación : 4-jun-2005
Editor: Elsevier
Citación : Nuclear Physics A 760(1-2): 3–18 (2005)
Resumen: The β-delayed triple-α particle decay of B-12 has been measured with a setup that favours coincidence detection. A broad state in C-12, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0(+). Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.
Descripción : 16 pages, 1 table, 10 figures.-- PACS nrs.: 23.40.-s; 26.20.+f; 27.20.+n.-- Printed version published Oct 3, 2005.
Versión del editor: http://dx.doi.org/10.1016/j.nuclphysa.2005.05.159
URI : http://hdl.handle.net/10261/4365
DOI: 10.1016/j.nuclphysa.2005.05.159
ISSN: 0375-9474
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