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Study of the unbound nucleus N-11 by elastic resonance scattering

AuthorsAxelsson, L.; García Borge, María José ; Fayans, S.; Goldberg, V. Z.; Grévy, S.; Guillemaud-Mueller, D.; Jonson, B.; Kälman, K. M.; Lönnroth, T.; Lewitowicz, M.; Manngård, P.; Markenroth, K.; Martel, Ismael; Mueller, A. C.; Mukha, I. ; Mukha, I. ; Nilsson, T.; Nyman, G.; Orr, N. A.; Riisager, K.; Rogatchev, G. V.; Saint-Laurent, M. G.; Serikov, I. N.; Sorlin, O.; Tengblad, Olof ; Wenander, F.; Winfield, J. S.; Wolski, R.
Keywords[PACS] Single-particle levels and strength functions
[PACS] Resonance reactions
[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Issue DateOct-1996
PublisherAmerican Physical Society
SeriesPhysical Review C 54(4): R1511-R1514 (1996)
AbstractResonances in the unbound nucleus N-11 have been studied, using the resonance scattering reaction C-10+p. The data give evidence for three states above the C-10+p threshold with energies 1.30, 2.04, and 3.72 MeV. These states can be interpreted, in a potential-model analysis, as the ground state and the first two excited states with spin-parity 1/2(+), 1/2(-), and 5/2(+) arising from the shell-model orbitals 1s(1/2), Op(1/2), and Od(5/2). A narrow state superposed on a broad structure found at higher energy could be interpreted as the mirror state of the 3/2(-) in Be-11 shifted down in energy. This shift would suggest a large radius of the potential.
Description4 pages, 4 figures, 2 tables.-- PACS nrs.: 21.10.Pc, 25.40.Ny, 27.20.+n.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevC.54.R1511
Appears in Collections:(CFMAC-IEM) Artículos
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