Decay Characteristics of Neutron Excess Titanium Nuclei

2024 · doi:10.32388/nfsvcp
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A single-particle model predicts beta decay half-lives for neutron-rich titanium isotopes (A=62-78) are likely overestimated compared to experimental data.

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Abstract

Bevelacqua Resources, 7531 Flint Crossing Circle SE, Owens Cross Roads, AL 35763 USA [email protected]           In neutron star mergers, neutron excess nuclei and the r-process are important factors governing the production of heavier nuclear systems. A single-particle model evaluation of titanium nuclei suggests that the heaviest Z = 22 nucleus will have mass 78 with filling of the 2d5/2 neutron shell. A = 62 – 78 titanium isotopes have limited experimental half-life data, but the model predicts beta decay half-lives in the range of 0.294 – 9.26 ms. Based on previous calculations for Z = 9 - 21, 26, and 30 systems and comparisons to the 62Ti – 70Ti calculations, summarized in the Japanese Nuclear Data Compilation, the single-particle model results likely overestimate the half-lives of A = 62 – 78 neutron excess titanium nuclei. KEYWORDS: Nucleosynthesis, Neutron Excess Titanium Nuclei, Beta Decay, Nuclear Structure
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