Alpha Decay Width of ${}^{212}$Po from a quartetting wave function approach

Abstract

A microscopic calculation of $\alpha$-cluster preformation probability and $\alpha$ decay width in the typical $\alpha$ emitter ${}^{212}$Po is presented. Results are obtained by improving a recent approach to describe $\alpha$ preformation in ${}^{212}$Po [Phys. Rev. C 90, 034304 (2014)] implementing four-nucleon correlations (quartetting). Using the actually measured density distribution of the ${}^{208}$ Pb core, the calculated alpha decay width of ${}^{212}$Po agrees fairly well with the measured one.

Comments: 7 pages, 5 figures, 1 table, submitted to Phys. Rev. C