Systematic Trends of 0${}_2^{+}$, 1${}_1^{-}$, 3${}_1^{-}$ and 2${}_1^{+}$ Excited States in Even-Even Nuclei

Abstract

The spin and parity ($J^{\pi }$) assignments in even-even nuclei were reviewed across the nuclear chart using the Evaluated Nuclear Structure Data File (ENSDF). The prevalence of 2${}_1^{+}$ first or lowest excited states is confirmed. The properties of 0${}_2^{+}$, 1${}_1^{-}$, and 3${}_1^{-}$ lowest excited states were reexamined using the ENSDF data evaluation procedures. The $J^{\pi }$ systematic trends and correlations between level quantum numbers and nuclear physics phenomena are discussed.

39 pages, 6 figures, 4 tables. NP/A (2022)

References in corpus (4)

• Collective modes and terahertz near-field response of superconductors
• Pair correlations in nuclei involved in neutrinoless double beta decay: 76Ge and 76Se
• Invariant-mass spectroscopy of ${}^{14}$O excited states
• Enhancement of octupole strength in near spherical nuclei

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