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

Authors:Axelsson, 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 Date:Oct-1996
Publisher:American Physical Society
Series/Report no.:Physical Review C 54(4): R1511-R1514 (1996)
Abstract:Resonances 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.
Description:4 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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