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One-neutron knockout reactions on proton-rich nuclei withN=16
Author(s) -
A. Gade,
D. Bazin,
B. A. Brown,
C. M. Campbell,
J. A. Church,
D.C. Dinca,
J. Enders,
T. Glasmacher,
P.G. Hansen,
Z. Hu,
K. W. Kemper,
W. F. Mueller,
H. Olliver,
B. C. Perry,
L. A. Riley,
B. T. Roeder,
B. M. Sherrill,
J. R. Terry,
J. A. Tostevin,
K. L. Yurkewicz
Publication year - 2004
Publication title -
physical review c
Language(s) - English
Resource type - Journals
eISSN - 1089-490X
pISSN - 0556-2813
DOI - 10.1103/physrevc.69.034311
Subject(s) - physics , neutron , nucleon , excited state , nuclear physics , proton , atomic physics

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. gamma-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,He-3) reactions and in one-nucleon knockout on light deeply bound systems, are extended in this work.

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