RODRÍGUEZ-TAJES, C.; ÁLVAREZ-POL, H.; AUMANN, T.; BENJAMIM, E.; BENLLIURE, J.; J. G. BORGE, M.; CAAMAÑO, M.; CASAREJOS, E.; CHATILLON, A.; CORTINA-GIL, D.; EPPINGER, K.; FAESTERMANN, T.; GASCÓN, M.; GEISSEL, H.; GERNHÄUSER, R.; JONSON, B.; KANUNGO, R.; KRÜCKEN, R.; KURTUKIAN NIETO, T.; LARSSON, K.; MAIERBECK, P.; NILSSON, T.; NOCIFORO, C.; PASCUAL-IZARRA, C.; PEREA, A.; PÉREZ-LOUREIRO, D.; PROCHAZKA, A.; SCHWERTEL, S.; SIMON, H.; SÜMMERER, K.; TENGBLAD, O.; WEICK, H.; WINKLER, M.; ZHUKOV, M.

doi:10.1103/PhysRevC.82.024305

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Physical Review C. 2010, vol. 82, p. 024305

American Physical Society

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One-neutron knockout reactions from neutron-rich nuclei, with Z=6-13 and N=8-22, were studied at the Fragment Separator (GSI) at high beam energies, around 700 MeV/nucleon. Structural phenomena such as the formation of one-neutron halos in odd-mass carbon isotopes (15,17,19C) will be discussed. In addition, one-neutron knockout measurements from 22N were carried out for the first time and demonstrate clearly the change from a 0d5/2 to a 1s1/2 orbital for the valence neutron, an effect that is expected above N=14 and that was also observed in 23O and 24F. The possibility of an anomalous structure of 26F, due to a significant 1s1/2 neutron admixture, will also be discussed in the light of the experimental data obtained in this work. Finally, the ground-state configuration of neutron-rich neon isotopes (24-28Ne) was studied, providing new information in a region that is relatively close to the island of inversion.< Réduire

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One-neutron knockout from light neutron-rich nuclei at relativistic energies

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