Probing the three-dimensional emission source and neutron skin via π−π correlations in heavy-ion collisionsRemoveHaojie Zhang, Junhuai Xu, Pengcheng Li, Zhi Qin, Dawei Si, Yijie Wang, Yongjia Wang, Qingfeng Li, and Zhigang XiaoPhys. Rev. C 113, 034904 (2026)
