Published in
American Physical Society, Physical Review Letters, 8(80), p. 1601-1604, 1998
DOI: 10.1103/physrevlett.80.1601
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Spectroscopy of the Unbound NucleusN11by theC12(N14,C15)N11Transfer Reaction
,
J. M. Oliveira,
A. N. Ostrowski,
H. G. Bohlen,
R. Lichtenthaler,
A. Blazevic,
C. Borcea,
V. Guimarães ,
R. Kalpakchieva,
V. Lapoux,
M. MacCormick,
F. Oliveira,
W. von Oertzen,
N. A. Orr,
P. Roussel-Chomaz
and other authors.
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Abstract
A spectroscopic study of the proton-rich, particle unstable nucleus 11N has been performed using the multinucleon transfer reaction 12C\(14N,15C\)11N at 30A MeV incident energy at GANIL. Levels of 11N are observed as well defined resonances in the spectrum of the 15C ejectiles. They are localized at 2.18(5), 3.63(5), 4.39(5), 5.12(8), and 5.87(15) MeV above the 10C+p threshold. The comparison of the measured widths with R-matrix calculations allows the estimation of spins and parities for these resonances.