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Physical Review C 77 (2008) 044303
In-beam gamma-ray spectroscopy of the neutron-rich nitrogen isotopes $^{19-22}$N
D. Sohler, M. Stanoiu1, 2, Zs. Dombrádi, F. Azaiez2, B.A. Brown, M.G. Saint-Laurent1, O. Sorlin1, Yu.-E. Penionzhkevich, N.L. Achouri3, J.C. Angélique3, M. Belleguic2, C. Borcea, C. Bourgeois2, J.M. Daugas1, F. de Oliveira-Santos1, Z. Dlouhy, C. Donzaud2, J. Duprat2, Z. Elekes, S. Grévy1, D. Guillemaud-Mueller2, F. Ibrahim2, S. Leenhardt2, M. Lewitowicz1, M.J. Lopez-Jimenez1, S.M. Lukyanov, W. Mittig1, J. Mrázek, F. Negoita, Zs. Podolyák, M.G. Porquet4, F. Pougheon2, P. Roussel-Chomaz1, H. Savajols1, G. Sletten, Y. Sobolev, C. Stodel1, J. Timár
(2008)

The structure of $^{19-22}$N nuclei was investigated by means of in-beam gamma-ray spectroscopic technique using fragmentation reactions of both stable and radioactive beams. Based on particle-gamma and particle-gammagamma coincidence data, level schemes are constructed for the neutron-rich nitrogen nuclei. The experimental results are compared with shell model calculations. The strength of the N=14 and Z=8 shell closures and the weakening of the shell model interaction WBT are discussed.
1 :  GANIL - Grand Accélérateur National d'Ions Lourds
2 :  IPNO - Institut de Physique Nucléaire d'Orsay
3 :  LPCC - Laboratoire de Physique Corpusculaire de Caen
4 :  CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Structure nucléaire
Physique/Physique Nucléaire Expérimentale