Probing neutron-skin thickness with free spectator neutrons in ultracentral high-energy isobaric collisions

We show that the yield ratio of free spectator neutrons produced in high-energy 96Zr+96Zr to 96Ru+96Ru collisions is a clean probe of the neutron-skin thickness of colliding nuclei and the slope parameter L of the symmetry energy. The idea is demonstrated based on the proton and neutron density dist...

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Bibliographic Details
Main Authors: Lu-Meng Liu, Chun-Jian Zhang, Jia Zhou, Jun Xu, Jiangyong Jia, Guang-Xiong Peng
Format: Article
Language:English
Published: Elsevier 2022-11-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269322005755