Structure and Coulomb dissociation of $^{23}O$ within the quark-meson coupling model - INSPIRE

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Structure and Coulomb dissociation of $^{23}O$ within the quark-meson coupling model

R. Chatterjee
(
- IIT, Roorkee
)
,
R. Shyam
(
- Saha Inst.
)
,
K. Tsushima
(
- Adelaide U. and
- Rio Grande do Norte U.
)
,
A.W. Thomas
(
- Adelaide U.
)

Apr, 2012

13 pages

Published in:

Nucl.Phys.A 913 (2013) 116-126

e-Print:

1204.2346 [nucl-th]

DOI:

10.1016/j.nuclphysa.2013.06.004

Report number:

ADP-12-10-T777

View in:

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Abstract: (Elsevier)

We study the ground state structure of nuclei in the vicinity of the one-neutron drip line within the latest version of the quark–meson coupling (QMC) model with a particular emphasis on 23 O. For this nucleus the model predicts a O22(0+)⊗n2s1/2 configuration for its ground state, with a one-neutron separation energy in close agreement with the corresponding experimental value. The wave function describing the valence neutron-core relative motion was then used to calculate the Coulomb dissociation of 23 O on a lead target at a beam energy of 422 MeV/nucleon . The experimental neutron-core relative energy spectrum and the total one-neutron removal cross sections are well described by the calculations. The widths of the longitudinal momentum distributions of the 22 O fragment are found to be broad, which do not support the formation of a neutron halo in this nucleus.

Note:

Revised and extended version, accepted for publication in Nucl. Phys. A

24.85.+p
25.60.Gc
12.39.Ki
Ground state structure of neutron drip line nuclei
Quark-meson coupling model
Structure and Coulomb dissociation of 23O
Quark–meson coupling model
Structure and Coulomb dissociation of 23 O

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Figures(5)

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