Abstract We employ the density-dependent cluster model to calculate -decay half-lives of recently synthesized superheavy nuclei (SHN) with Z=104 –118. A microscopic –nucleus potential is derived via the double-folding method using a realistic nucleon–nucleon interaction. Within the Wentzel–Kramers–Brillouin approximation, supplemented by the Bohr–Sommerfeld quantization condition, we extract both the -particle assault frequency and barrier-penetration probability for spherical and deformed daughter configurations. Our predictions for five isotopes of the superheavy element Z=123 are benchmarked against several established models, demonstrating excellent agreement. We also explore the competition between -decay and spontaneous fission, and propose likely decay chains for the as-yet unobserved nuclei ^302 {--307}123. Finally, cluster-decay channels of ^300, 303, 306, 307123 are studied using the double-folding potential alongside the Universal curve (UNIV), the Universal Decay Law (UDL), the Unified Decay Formula (UDF), and Horoi’s approach. Notably, the UDL framework predicts positive branching ratios ₁₀bc for heavy-cluster emission (e. g. ^90Sr, ^96Zr, ^102Mo), indicating that such clusters may rival—or even dominate— -decay in these SHN.
Ismail et al. (Thu,) studied this question.