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How sharp is the transition into the N=20 island of inversion for the Mg isotopes?

Fernández-Domínguez, B. ; Pietras, B. ; Catford, W.N. ; Orr, N.A. ; Petri, M. ; Chartier, M. ; Paschalis, S. ; Patterson, N. ; Thomas, J.S. ; Caamaño, M. ; Otsuka, T. ; Poves, A. ; Tsunoda, N. ; Achouri, N.L. ; Angélique, J-C. ; Ashwood, N.I. ; Banu, A. ; Bastin, B. ; Borcea, R. ; Brown, J. ; Delaunay, F. ; Franchoo, S. ; Freer, M. ; Gaudefroy, L. ; Heil, S. ; Labiche, M. ; Laurent, B. ; Lemmon, R.C. ; Macchiavelli, A. O. ; Negoita, F. ; Paul, E.S. ; Rodríguez-Tajes, C. ; Roussel-Chomaz, P. ; Staniou, M. ; Taylor, M. ; Trache, L. ; Wilson, G.L. (2024)
How sharp is the transition into the N=20 island of inversion for the Mg isotopes?
In: Journal of Physics: Conference Series, 2018, 966 (1)
doi: 10.26083/tuprints-00020925
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: How sharp is the transition into the N=20 island of inversion for the Mg isotopes?
Language: English
Date: 14 May 2024
Place of Publication: Darmstadt
Year of primary publication: 2018
Place of primary publication: Bristol
Publisher: IOP Publishing
Journal or Publication Title: Journal of Physics: Conference Series
Volume of the journal: 966
Issue Number: 1
Collation: 6 Seiten
DOI: 10.26083/tuprints-00020925
Corresponding Links:
Origin: Secondary publication DeepGreen

The N=20 island of inversion is an excellent playground for testing shell model calculations. The Mg chain is a region of shell evolution still far from being well understood. In this paper we present preliminary results of a single-neutron knockout experiment from ³¹Mg performed at GANIL to study the structure of ³¹Mg and of the core ³⁰Mg. The level scheme and longitudinal momentum distributions were mesured and spectroscopic factors were deduced. Negative parity states arise at low energy and the spectroscopic factor for the isomeric 0²₊ in ³⁰Mg was determined to be smaller than foreseen in the standard picture. The preliminary experimental results are compared to state-of the art shell model calculations revealing opposed interpretations.

Identification Number: Artikel-ID: 012020
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-209253
Additional Information:

12th International Spring Seminar on Nuclear Physics: Current Problems and Prospects for Nuclear Structure 15–19 May 2017, Sant'Angelo d'Ischia, Italy

Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 14 May 2024 09:45
Last Modified: 14 May 2024 09:45
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20925
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