Molecular and cluster structures in 18O

W von Oertzen; T Dorsch; HG Bohlen; R Kruecken; T Faestermann; R Hertenberger; T Kokalova; M Mahgoub; M Milin; Carl Wheldon; HF Wirth

doi:10.1140/epja/i2009-10894-2

Molecular and cluster structures in ¹⁸O

W von Oertzen, T Dorsch, HG Bohlen, R Kruecken, T Faestermann, R Hertenberger, T Kokalova, M Mahgoub, M Milin, Carl Wheldon, HF Wirth

Physics and Astronomy

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Abstract

We have studied the multi-nucleon transfer reaction C-12(Li-7, p) at E-lab = 44MeV, populating states in the oxygen isotope O-18. The experiments were performed at the Tandem accelerator of the Maier-Leibniz Laboratory in Munich using the high-resolution Q3D magnetic spectrograph. States were populated up to an excitation energy of 21.2MeV with an overall energy resolution of 45keV, and 30 new states of O-18 have been identified. The structure of the rotational bands observed is discussed in terms of cluster bands with the underlying cluster structures: C-14 circle times alpha and C-12 circle times 2n circle times alpha. Because of the broken intrinsic reflection symmetry in these structures the corresponding rotational bands appear as parity doublets.

Original language	English
Pages (from-to)	17-33
Number of pages	17
Journal	European Physical Journal A
Volume	43
Issue number	1
DOIs	https://doi.org/10.1140/epja/i2009-10894-2
Publication status	Published - 1 Jan 2010

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10.1140/epja/i2009-10894-2

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Birmingham Nuclear Physics Group Rolling Grant
Tungate, G., Lazzeroni, C., Evans, P., Jones, P. & Freer, M.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/08/08 → 31/07/13
Project: Research Councils
Advanced Fellowship - Dr Carl Wheldon
Wheldon, C.
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
29/10/07 → 28/10/12
Project: Research

Cite this

@article{314ac4c93fa148e89ead3ca309eb7a6d,

title = "Molecular and cluster structures in 18O",

abstract = "We have studied the multi-nucleon transfer reaction C-12(Li-7, p) at E-lab = 44MeV, populating states in the oxygen isotope O-18. The experiments were performed at the Tandem accelerator of the Maier-Leibniz Laboratory in Munich using the high-resolution Q3D magnetic spectrograph. States were populated up to an excitation energy of 21.2MeV with an overall energy resolution of 45keV, and 30 new states of O-18 have been identified. The structure of the rotational bands observed is discussed in terms of cluster bands with the underlying cluster structures: C-14 circle times alpha and C-12 circle times 2n circle times alpha. Because of the broken intrinsic reflection symmetry in these structures the corresponding rotational bands appear as parity doublets.",

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doi = "10.1140/epja/i2009-10894-2",

language = "English",

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T1 - Molecular and cluster structures in 18O

AU - von Oertzen, W

AU - Dorsch, T

AU - Bohlen, HG

AU - Kruecken, R

AU - Faestermann, T

AU - Hertenberger, R

AU - Kokalova, T

AU - Mahgoub, M

AU - Milin, M

AU - Wheldon, Carl

AU - Wirth, HF

PY - 2010/1/1

Y1 - 2010/1/1

N2 - We have studied the multi-nucleon transfer reaction C-12(Li-7, p) at E-lab = 44MeV, populating states in the oxygen isotope O-18. The experiments were performed at the Tandem accelerator of the Maier-Leibniz Laboratory in Munich using the high-resolution Q3D magnetic spectrograph. States were populated up to an excitation energy of 21.2MeV with an overall energy resolution of 45keV, and 30 new states of O-18 have been identified. The structure of the rotational bands observed is discussed in terms of cluster bands with the underlying cluster structures: C-14 circle times alpha and C-12 circle times 2n circle times alpha. Because of the broken intrinsic reflection symmetry in these structures the corresponding rotational bands appear as parity doublets.

AB - We have studied the multi-nucleon transfer reaction C-12(Li-7, p) at E-lab = 44MeV, populating states in the oxygen isotope O-18. The experiments were performed at the Tandem accelerator of the Maier-Leibniz Laboratory in Munich using the high-resolution Q3D magnetic spectrograph. States were populated up to an excitation energy of 21.2MeV with an overall energy resolution of 45keV, and 30 new states of O-18 have been identified. The structure of the rotational bands observed is discussed in terms of cluster bands with the underlying cluster structures: C-14 circle times alpha and C-12 circle times 2n circle times alpha. Because of the broken intrinsic reflection symmetry in these structures the corresponding rotational bands appear as parity doublets.

U2 - 10.1140/epja/i2009-10894-2

DO - 10.1140/epja/i2009-10894-2

M3 - Article

SN - 1434-601X

VL - 43

SP - 17

EP - 33

JO - European Physical Journal A

JF - European Physical Journal A

IS - 1

ER -

Molecular and cluster structures in 18O

Abstract

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Birmingham Nuclear Physics Group Rolling Grant

Advanced Fellowship - Dr Carl Wheldon

Cite this

Molecular and cluster structures in ¹⁸O