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Phys. Rev. C 69, 034311 (2004) [10 pages]

One-neutron knockout reactions on proton-rich nuclei with N=16

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A. Gade1,2, D. Bazin1, B. A. Brown1,2, C. M Campbell1,2, J. A. Church1,2, D. C. Dinca1,2, J. Enders1,*, T. Glasmacher1,2, P. G. Hansen1,2, Z. Hu1,†, K. W. Kemper3, W. F. Mueller1, H. Olliver1,2, B. C. Perry1,2,‡, L. A. Riley4, B. T. Roeder3, B. M. Sherrill1,2, J. R. Terry1,2, J. A. Tostevin5, and K. L. Yurkewicz1,2
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
3Department of Physics, Florida State University, Tallahassee, Florida 32306, USA
4Department of Physics and Astronomy, Ursinus College, Collegeville, Pennsylvania 19426, USA
5Department of Physics, School of Electronics and Physical Sciences, Guildford, Surrey GU2 7XH, United Kingdom

Received 18 September 2003; published 8 March 2004

One-neutron knockout reactions from the deeply bound N=16 isotones with Z=16,17, and 18 have been studied in inverse kinematics with intermediate-energy beams. γ-ray spectroscopy in coincidence with the detection of knockout residues allowed for an investigation of the one-neutron removal leading to individual excited states. Spectroscopic factors are deduced in the framework of the sudden and eikonal approximations and are compared to USD shell-model predictions. The momentum distributions observed in the experiment are used to identify the angular momentum l carried by the knockedout neutron by comparing with calculations based on a black-disk reaction model. The systematics of reduced single-particle occupancies attributed to the effect of short-range correlations, observed so far for stable and near-magic nuclei in (e,e′p) and (d,3He) reactions and in one-nucleon knockout on light deeply bound systems, are extended in this work.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.69.034311
DOI:
10.1103/PhysRevC.69.034311
PACS:
24.50.+g, 21.10.Jx, 27.30.+t

*Present address: Institut für Kernphysik, TU Darmstadt, D-64289 Darmstadt Germany.

†Present address: School of Medicine, University of Utah, Salt Lake City, UT 84112.

‡Present address: Constellation Technologies, Largo, FL 33777.

 
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