Coulomb excitation of (31)Mg

The ground state properties of ^3^1Mg indicate a change of nuclear shape at N=19 with a deformed J^@p=1/2^+ intruder state as a ground state, implying that ^3^1Mg is part of the ''island of inversion''. The collective properties of excited states were the subject of a Coulomb exc...

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Detalles Bibliográficos
Autores principales: Seidlitz, M, Mucher, D, Reiter, P, Bildstein, V, Blazhev, A, Bree, N, Bruyneel, B, Cederkall, J, Clement, E, Davinson, T, van Duppen, P, Ekstrom, A, Finke, F, Fraile, L M, Geibel, K, Gernhauser, R, Hess, H, Holler, A, Huyse, M, Ivanov, O, Jolie, J, Kalkuhler, M, Kotthaus, T, Krucken, R, Lutter, R, Piselli, E, Scheit, H, Stefanescu, I, van de Walle, J, Voulot, D, Warr, N, Wenander, F, Wiens, A
Lenguaje:eng
Publicado: 2011
Materias:
Nuclear Physics - Theory
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2011.05.009
http://cds.cern.ch/record/2291312
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author Seidlitz, M
Mucher, D
Reiter, P
Bildstein, V
Blazhev, A
Bree, N
Bruyneel, B
Cederkall, J
Clement, E
Davinson, T
van Duppen, P
Ekstrom, A
Finke, F
Fraile, L M
Geibel, K
Gernhauser, R
Hess, H
Holler, A
Huyse, M
Ivanov, O
Jolie, J
Kalkuhler, M
Kotthaus, T
Krucken, R
Lutter, R
Piselli, E
Scheit, H
Stefanescu, I
van de Walle, J
Voulot, D
Warr, N
Wenander, F
Wiens, A
author_facet Seidlitz, M
Mucher, D
Reiter, P
Bildstein, V
Blazhev, A
Bree, N
Bruyneel, B
Cederkall, J
Clement, E
Davinson, T
van Duppen, P
Ekstrom, A
Finke, F
Fraile, L M
Geibel, K
Gernhauser, R
Hess, H
Holler, A
Huyse, M
Ivanov, O
Jolie, J
Kalkuhler, M
Kotthaus, T
Krucken, R
Lutter, R
Piselli, E
Scheit, H
Stefanescu, I
van de Walle, J
Voulot, D
Warr, N
Wenander, F
Wiens, A
author_sort Seidlitz, M
collection CERN
description The ground state properties of ^3^1Mg indicate a change of nuclear shape at N=19 with a deformed J^@p=1/2^+ intruder state as a ground state, implying that ^3^1Mg is part of the ''island of inversion''. The collective properties of excited states were the subject of a Coulomb excitation experiment at REX-ISOLDE, CERN, employing a radioactive ^3^1Mg beam. De-excitation @c-rays were detected by the MINIBALL @c-spectrometer in coincidence with scattered particles in a segmented Si-detector. The level scheme of ^3^1Mg was extended. Spin and parity assignment of the 945 keV state yielded 5/2^+ and its de-excitation is dominated by a strong collective M1 transition. Comparison of the transition probabilities of ^3^0^,^3^1^,^3^2Mg establishes that for th e N=19 magnesium isotope not only the ground state but also excited states are largely dominated by a deformed pf intruder configuration.
id oai-inspirehep.net-914012
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2011
record_format invenio
spelling oai-inspirehep.net-9140122019-09-30T06:29:59Zdoi:10.1016/j.physletb.2011.05.009http://cds.cern.ch/record/2291312engSeidlitz, MMucher, DReiter, PBildstein, VBlazhev, ABree, NBruyneel, BCederkall, JClement, EDavinson, Tvan Duppen, PEkstrom, AFinke, FFraile, L MGeibel, KGernhauser, RHess, HHoller, AHuyse, MIvanov, OJolie, JKalkuhler, MKotthaus, TKrucken, RLutter, RPiselli, EScheit, HStefanescu, Ivan de Walle, JVoulot, DWarr, NWenander, FWiens, ACoulomb excitation of (31)MgNuclear Physics - TheoryThe ground state properties of ^3^1Mg indicate a change of nuclear shape at N=19 with a deformed J^@p=1/2^+ intruder state as a ground state, implying that ^3^1Mg is part of the ''island of inversion''. The collective properties of excited states were the subject of a Coulomb excitation experiment at REX-ISOLDE, CERN, employing a radioactive ^3^1Mg beam. De-excitation @c-rays were detected by the MINIBALL @c-spectrometer in coincidence with scattered particles in a segmented Si-detector. The level scheme of ^3^1Mg was extended. Spin and parity assignment of the 945 keV state yielded 5/2^+ and its de-excitation is dominated by a strong collective M1 transition. Comparison of the transition probabilities of ^3^0^,^3^1^,^3^2Mg establishes that for th e N=19 magnesium isotope not only the ground state but also excited states are largely dominated by a deformed pf intruder configuration.The ground state properties of 31 Mg indicate a change of nuclear shape at N=19 with a deformed Jπ=1/2+ intruder state as a ground state, implying that 31 Mg is part of the “island of inversion”. The collective properties of excited states were the subject of a Coulomb excitation experiment at REX-ISOLDE, CERN, employing a radioactive 31 Mg beam. De-excitation γ -rays were detected by the MINIBALL γ -spectrometer in coincidence with scattered particles in a segmented Si-detector. The level scheme of 31 Mg was extended. Spin and parity assignment of the 945 keV state yielded 5/2+ and its de-excitation is dominated by a strong collective M1 transition. Comparison of the transition probabilities of 30,31,32 Mg establishes that for the N=19 magnesium isotope not only the ground state but also excited states are largely dominated by a deformed pf intruder configuration.oai:inspirehep.net:9140122011
spellingShingle Nuclear Physics - Theory
Seidlitz, M
Mucher, D
Reiter, P
Bildstein, V
Blazhev, A
Bree, N
Bruyneel, B
Cederkall, J
Clement, E
Davinson, T
van Duppen, P
Ekstrom, A
Finke, F
Fraile, L M
Geibel, K
Gernhauser, R
Hess, H
Holler, A
Huyse, M
Ivanov, O
Jolie, J
Kalkuhler, M
Kotthaus, T
Krucken, R
Lutter, R
Piselli, E
Scheit, H
Stefanescu, I
van de Walle, J
Voulot, D
Warr, N
Wenander, F
Wiens, A
Coulomb excitation of (31)Mg
title Coulomb excitation of (31)Mg
title_full Coulomb excitation of (31)Mg
title_fullStr Coulomb excitation of (31)Mg
title_full_unstemmed Coulomb excitation of (31)Mg
title_short Coulomb excitation of (31)Mg
title_sort coulomb excitation of (31)mg
topic Nuclear Physics - Theory
url https://dx.doi.org/10.1016/j.physletb.2011.05.009
http://cds.cern.ch/record/2291312
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