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Phys. Rev. C 74, 047302 (2006) [4 pages]

One-neutron knockout in the vicinity of the N=32 sub-shell closure: 9Be(57Cr,56Cr+γ)X

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A. Gade1,2, R. V. F. Janssens3, D. Bazin1, B. A. Brown1,2, C. M. Campbell1,2, M. P. Carpenter3, J. M. Cook1,2, A. N. Deacon4, D.-C. Dinca1,2, S. J. Freeman4, T. Glasmacher1,2, M. Horoi5, B. P. Kay4, P. F. Mantica1,6, W. F. Mueller1, J. R. Terry1,2, J. A. Tostevin7, and S. Zhu3
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
3Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
4School of Physics and Astronomy, Schuster Laboratory, University of Manchester, Manchester M13 9PL, United Kingdom
5Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USA
6Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
7Department of Physics, School of Electronics and Physical Sciences, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom

Received 22 May 2006; published 11 October 2006

The one-neutron knockout reaction 9Be(57Cr,56Cr+γ)X has been measured in inverse kinematics with an intermediate-energy beam. Cross sections to individual states in 56Cr were partially untangled through the detection of the characteristic γ-ray transitions in coincidence with the reaction residues. The experimental inclusive longitudinal momentum distribution and the yields to individual states are compared to calculations that combine spectroscopic factors from the full fp shell model and nucleon-removal cross sections computed in a few-body eikonal approach.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.74.047302
DOI:
10.1103/PhysRevC.74.047302
PACS:
24.50.+g, 21.10.Jx, 25.60.Gc, 27.40.+z