Mirror Nuclei: Symmetry Breaking and Nuclear Dynamics

Differences in excitation energy between isobaric analogue states are measured to study the validity of isospin symmetry in medium-mass nuclei as a function of the angular momentum These differences are of the order of tens of keV and can be well reproduced by state-of-the-art shell model calculatio...

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Bibliographic Details
Published inAIP conference proceedings Vol. 972; no. 1; pp. 31 - 39
Main Author Lenzi, Silvia M
Format Journal Article
LanguageEnglish
Published United States 01.01.2008
Subjects
ANGULAR MOMENTUM
COMPARATIVE EVALUATIONS
EXCITATION
GAMMA SPECTROSCOPY
INTERMEDIATE MASS NUCLEI
ISOBARIC ANALOGS
ISOSPIN
KEV RANGE
MIRROR NUCLEI
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR STRUCTURE
NUCLEONS
ROTATIONAL STATES
SHELL MODELS
SYMMETRY
SYMMETRY BREAKING
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Summary:Differences in excitation energy between isobaric analogue states are measured to study the validity of isospin symmetry in medium-mass nuclei as a function of the angular momentum These differences are of the order of tens of keV and can be well reproduced by state-of-the-art shell model calculations. Several nuclear structure properties can be deduced from these data, such as the alignment of nucleons along rotational bands, the evolution of the nuclear radius and the appearance of pure single particle configurations across two main shells. In addition, the isospin breaking of the nuclear interaction is suggested by the systematic comparison with the data.
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ISBN:9780735404908
0735404909
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2870324