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Enhanced quadrupole collectivity at N = 40: the case of neutron-rich Fe isotopes

Rother, W ; Dewald, A ; Iwasaki, H ; Lenzi, S M ; Starosta, K ; Bazin, D ; Baugher, T ; Brown, B A ; Crawford, H L ; Fransen, C ; Gade, A ; Ginter, T N ; Glasmacher, T ; Grinyer, G F ; Hackstein, M ; Ilie, G ; Jolie, J ; McDaniel, S ; Miller, D ; Petkov, P ; Pissulla, Th ; Ratkiewicz, A ; Ur, C A ; Voss, P ; Walsh, K A ; Weisshaar, D ; Zell, K-O

Physical review letters, 2011-01, Vol.106 (2), p.022502-022502, Article 022502 [Periódico revisado por pares]

United States

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Título:
Enhanced quadrupole collectivity at N = 40: the case of neutron-rich Fe isotopes
Autor: Rother, W ; Dewald, A ; Iwasaki, H ; Lenzi, S M ; Starosta, K ; Bazin, D ; Baugher, T ; Brown, B A ; Crawford, H L ; Fransen, C ; Gade, A ; Ginter, T N ; Glasmacher, T ; Grinyer, G F ; Hackstein, M ; Ilie, G ; Jolie, J ; McDaniel, S ; Miller, D ; Petkov, P ; Pissulla, Th ; Ratkiewicz, A ; Ur, C A ; Voss, P ; Walsh, K A ; Weisshaar, D ; Zell, K-O
Assuntos: BARYONS ; BETA DECAY RADIOISOTOPES ; BETA-MINUS DECAY RADIOISOTOPES ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; COULOMB EXCITATION ; DATA ; DOPPLER EFFECT ; ELEMENTARY PARTICLES ; ENERGY-LEVEL TRANSITIONS ; EVEN-EVEN NUCLEI ; EXCITATION ; EXPERIMENTAL DATA ; FERMIONS ; HADRONS ; INFORMATION ; INTERACTIONS ; INTERMEDIATE MASS NUCLEI ; IRON 62 ; IRON 64 ; IRON 66 ; IRON ISOTOPES ; ISOTOPES ; MATHEMATICAL MODELS ; MINUTES LIVING RADIOISOTOPES ; NEUTRONS ; NUCLEAR MODELS ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEAR STRUCTURE ; NUCLEI ; NUCLEONS ; NUMERICAL DATA ; PROTONS ; RADIOISOTOPES ; RECOILS ; SECONDS LIVING RADIOISOTOPES ; SHELL MODELS ; SYMMETRY ; VALENCE
É parte de: Physical review letters, 2011-01, Vol.106 (2), p.022502-022502, Article 022502
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The transition rates for the 2(1)+ states in (62,64,66)Fe were studied using the recoil distance Doppler-shift technique applied to projectile Coulomb excitation reactions. The deduced E2 strengths illustrate the enhanced collectivity of the neutron-rich Fe isotopes up to N = 40. The results are interpreted using the generalized concept of valence proton symmetry which describes the evolution of nuclear structure around N = 40 as governed by the number of valence protons with respect to Z ≈ 30. The trend of collectivity suggested by the experimental data is described by state-of-the-art shell-model calculations with a new effective interaction developed for the fpgd valence space.
Editor: United States
Idioma: Inglês

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Enhanced quadrupole collectivity at N = 40: the case of neutron-rich Fe isotopes

United States

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