Investigation of an octupole breathing mode of Pb208 as a resolution to the elliptical-to-triangular azimuthal anisotropy puzzle in ultracentral relativistic heavy ion collisionsRemoveHao-jie Xu, Duoduo Xu, Shujun Zhao, Wenbin Zhao, Huichao Song, and Fuqiang WangPhys. Rev. C 112, L051901 (2025)
