Quenching of spectroscopic factors for proton removal in oxygen isotopes - INSPIRE

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Quenching of spectroscopic factors for proton removal in oxygen isotopes

O. Jensen
(
- Oslo U.
)
,
G. Hagen
(
- Oak Ridge and
- Tennessee U.
)
,
M. Hjorth-Jensen
(
- Oslo U.
)
,
B.Alex Brown
(
- Michigan State U., NSCL and
- Michigan State U.
)
,
A. Gade
(
- Michigan State U., NSCL and
- Michigan State U.
)

Apr, 2011

4 pages

Published in:

Phys.Rev.Lett. 107 (2011) 032501

e-Print:

1104.1552 [nucl-th]

DOI:

10.1103/PhysRevLett.107.032501

View in:

reference search73 citations

Citations per year

Abstract: (arXiv)

We present microscopic coupled-cluster calculations of the spectroscopic factors for proton removal from the closed-shell oxygen isotopes

^{14,16,22,24,28}

O with the chiral nucleon-nucleon interaction at next-to-next-to-next-to-leading order. We include coupling-to-continuum degrees of freedom by using a Hartree-Fock basis built from a Woods-Saxon single-particle basis. This basis treats bound and continuum states on an equal footing. We find a significant quenching of spectroscopic factors in the neutron-rich oxygen isotopes, pointing to enhanced many-body correlations induced by strong coupling to the scattering continuum above the neutron emission thresholds.

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References(24)

Figures(3)

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)
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)
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)
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)
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G. Hagen
(
- Oak Ridge
)
,
T. Papenbrock
(
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- Oak Ridge
)
,
D.J. Dean
(
- Oak Ridge
)
,
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(
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)
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