Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg

The excitation function of the proton resonance elastic scattering with a ^30Mg beam of 2.92 MeV/nucleon was measured around 0 degrees in the laboratory frame. Three resonances corresponding to high excited states in ^31Al were successfully observed. They correspond to the isobaric analog resonances...

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Detalles Bibliográficos
Autores principales: Imai, N, Mukai, M, Cederkäll, J, Aghai, H, Golubev, P, Johansson, H T, Kahl, D, Teranishi, T, Watanabe, Y X
Lenguaje:eng
Publicado: 2015
Materias:
Nuclear Physics - Experiment
Acceso en línea:https://dx.doi.org/10.7566/JPSCP.6.020005
http://cds.cern.ch/record/2159147
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author Imai, N
Mukai, M
Cederkäll, J
Aghai, H
Golubev, P
Johansson, H T
Kahl, D
Teranishi, T
Watanabe, Y X
author_facet Imai, N
Mukai, M
Cederkäll, J
Aghai, H
Golubev, P
Johansson, H T
Kahl, D
Teranishi, T
Watanabe, Y X
author_sort Imai, N
collection CERN
description The excitation function of the proton resonance elastic scattering with a ^30Mg beam of 2.92 MeV/nucleon was measured around 0 degrees in the laboratory frame. Three resonances corresponding to high excited states in ^31Al were successfully observed. They correspond to the isobaric analog resonances of the first three bound states in ^31Mg, which is considered to be located at the border of the island of inversion. An R-matrix analysis on the excitation function revealed that the spectroscopic factors for the first two positive parity resonances were quenched compared to those for other N=19 nuclei, ^35S and ^37Al, clearly indicating that the shell structure changes between ^30Mg and ^31Mg.
id oai-inspirehep.net-1389269
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2015
record_format invenio
spelling oai-inspirehep.net-13892692019-09-30T06:29:59Zdoi:10.7566/JPSCP.6.020005http://cds.cern.ch/record/2159147engImai, NMukai, MCederkäll, JAghai, HGolubev, PJohansson, H TKahl, DTeranishi, TWatanabe, Y XQuenched Spectroscopic Factors for Low-Lying Positive Parity States in 31MgNuclear Physics - ExperimentThe excitation function of the proton resonance elastic scattering with a ^30Mg beam of 2.92 MeV/nucleon was measured around 0 degrees in the laboratory frame. Three resonances corresponding to high excited states in ^31Al were successfully observed. They correspond to the isobaric analog resonances of the first three bound states in ^31Mg, which is considered to be located at the border of the island of inversion. An R-matrix analysis on the excitation function revealed that the spectroscopic factors for the first two positive parity resonances were quenched compared to those for other N=19 nuclei, ^35S and ^37Al, clearly indicating that the shell structure changes between ^30Mg and ^31Mg.oai:inspirehep.net:13892692015
spellingShingle Nuclear Physics - Experiment
Imai, N
Mukai, M
Cederkäll, J
Aghai, H
Golubev, P
Johansson, H T
Kahl, D
Teranishi, T
Watanabe, Y X
Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg
title Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg
title_full Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg
title_fullStr Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg
title_full_unstemmed Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg
title_short Quenched Spectroscopic Factors for Low-Lying Positive Parity States in 31Mg
title_sort quenched spectroscopic factors for low-lying positive parity states in 31mg
topic Nuclear Physics - Experiment
url https://dx.doi.org/10.7566/JPSCP.6.020005
http://cds.cern.ch/record/2159147
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AT johanssonht quenchedspectroscopicfactorsforlowlyingpositiveparitystatesin31mg
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