Emission time sequence of neutrons and protons as probes of α-clustering structure |
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Authors: | Bo-Song Huang Yu-Gang Ma |
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Institution: | 1. Key Laboratory of Nuclear Physics and Ion-Beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China2. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China |
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Abstract: | Neutron–proton momentum correlation functions are constructed from a three-body photodisintegration channel, i.e., core\begin{document}$ + n + p$\end{document}![]() , and used to explore the spatial-time information of the non-clustering Woods–Saxon spherical structure as well as the \begin{document}$\alpha$\end{document}![]() -clustering structures of \begin{document}$^{12}{\rm{C}}$\end{document}![]() or \begin{document}$^{16}{\rm{O}}$\end{document}![]() based on an extended quantum molecular dynamics model. The emission time sequence of neutrons and protons is indicated by the ratio of velocity-gated neutron–proton correlation functions, demonstrating its sensitivity to \begin{document}$\alpha$\end{document}![]() -clustering structures. This work sheds light on a new probe for \begin{document}$\alpha$\end{document}![]() -clustering structures. |
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Keywords: | photonuclear reaction neutron–proton correlation α-clustering nuclei |
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