Two-proton momentum correlation from photodisintegration of alpha-clustering light nuclei in the quasideuteron region

摘要

The proton-proton momentum correlation function is constructed in three-body photodisintegration channels from C-12 and O-16 targets in the quasideuteron regime within the framework of an extended quantum molecular dynamics model. Using the formula of Lednicky and Lyuboshitz (LL) for the momentum correlation function, we obtain a proton-proton momentum correlation function for the specific three-body photodisintegration channels of C-12 and O-16 targets, which are assumed to have different initial geometric structures, and extract their respective emission source sizes for the proton-proton pair. The results demonstrate that constructing a proton-proton momentum correlation is feasible in photonuclear reactions, and it is sensitive to the initial nuclear structure. For future experimental studies investigating the alpha-clustering structures of light nuclei, the present work can be used to shed light on the performance and correlation function analysis of (gamma, pp) or (e, e' pp) reactions.