Atlas of Nuclear Isomers -- Second Edition

Abstract

We present an updated version of the 2015-Atlas of Nuclear Isomers \cite{jain2015}, compiling and evaluating experimental data for the isomers with half-life $\ge 10$ $ns$, together with their spectroscopic properties such as excitation-energies, half-lives, decay modes, spins and parities, energies and multipolarities of isomeric transitions, along with the relevant original references in literature. The current version of Atlas presents many re-evaluated half-lives as compared to the 2015 edition, where values were referred to Nuclear Data Sheets publications, when no new data existed. The ENSDF database \cite{Ensdf}, together with the XUNDL \cite{Xundl} and the NUBASE2020 \cite{Kondev2021} databases have been consulted for completeness, yet, data from original papers from journals were considered in the present evaluation, and the NSR bibliographic database \cite{Nsr} has been searched to ensure that this work is as complete and current as possible. Several useful systematic features of nuclear isomers covered in this Atlas have been discussed. Literature cutoff date for the extraction of data is October 31, 2022.

arXiv commentTo appear in ADNDT

References in corpus (27)

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• The impact of isomers on a kilonova associated with neutron star mergers
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• 6${}^{+}$ isomers in neutron-rich Sn-isotopes beyond N$=82$ and effective interaction
• Estimation of radiative half-life of ${}^{229m}$Th by half-life measurement of other nuclear excited states in ${}^{229}$Th
• Generalized Seniority Schmidt Model and the g-factors in Semi-magic Nuclei
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Cited by in corpus (17)

• Overview of Seniority Isomers
• Projected shell model description of nuclear level density: Collective, pair-breaking, and multiquasiparticle regimes in even-even nuclei
• Identifying the spin trapped character of the ${}^{32}$Si isomeric state
• Isomeric states of fission fragments explored via Penning trap mass spectrometry at IGISOL
• Systematic shell-model study of ${}^{99-129}$Cd isotopes and isomers in neutron-rich ${}^{127-131}$In isotopes
• Systematic shell-model study of ${}^{98-130}$Cd isotopes and $8^{+}$ isomeric states
• Revealing the nature of yrast states in neutron-rich polonium isotopes
• Systematic shell-model study of structure and isomeric states in ${}^{204-213}$Bi isotopes
• $K$-isomeric states in the isotopic and isotonic chains of ${}^{178}$Hf
• Weakening of $N=28$ shell gap and the nature of $0_2^{+}$ states
• Mass measurements in the ${}^{132}$Sn region with the JYFLTRAP double Penning trap mass spectrometer
• Impact of choices for center-of-mass correction energy on the surface energy of Skyrme energy density functionals
• How Do Nuclear Isomers Influence the Gamma-Ray Bursts in Binary Neutron Star Mergers?
• Partial conservation of seniority in semi-magic nuclei
• Theoretical Investigation of α-decay in Heavy and Superheavy Isomers
• The 76Cu conundrum remains unsolved
• Measurement of the Isolated Nuclear Two-Photon Decay in ${}^{72}\mathrm{Ge}$