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Phys. Rev. C 63, 024613 (2001) [17 pages]

Single-neutron knockout reactions: Application to the spectroscopy of 16,17,19C

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V. Maddalena1,2, T. Aumann1,*, D. Bazin1, B. A. Brown1,2, J. A. Caggiano1,2,†, B. Davids1,2, T. Glasmacher1,2, P. G. Hansen1,2, R. W. Ibbotson1,‡, A. Navin1,§, B. V. Pritychenko1,2, H. Scheit1,2,**, B. M. Sherrill1,2, M. Steiner1, J. A. Tostevin3, and J. Yurkon1
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824
2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824
3Department of Physics, School of Physics and Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom

Received 23 August 2000; published 24 January 2001

The structure of the neutron-rich carbon isotopes 16,17,19C has been investigated using one-neutron knockout reactions on a 9Be target at approximately 60 MeV/nucleon. Partial cross sections and associated momentum distributions corresponding to final states of the 15,16,18C residues were measured and compared with predictions based on a shell-model theory and an eikonal model of the reaction mechanism. Spectroscopic factors and l-value assignments are given. The ground-state spins of 17,19C are 3/2+ and 1/2+, respectively. It is suggested that the accepted one-neutron separation energy for the ground state of 19C needs to be revised upwards.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.63.024613
DOI:
10.1103/PhysRevC.63.024613
PACS:
21.10.Jx, 25.60.Je, 27.20.+n

*Present address: Gesellschaft für Schwerionenforschung, Planckstr. 1, 64291 Darmstadt, Germany.

†Present address: Physics Division, Argonne National Laboratory, Argonne, IL 60439.

‡Permanent address: Brookhaven National Laboratory, Upton, NY 11973-5000.

§Permanent address: Nuclear Physics Division, Bhabha Atomic Research Center, Trombay, Mumbai 400 085, India.

**Present address: Max-Planck-Institut für Kernphysik, Postfach 10 39 80, D-69029 Heidelberg, Germany.

 
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