Cloud-cloud collision and star formation in G323.18+0.15 Yingxiu Ma, Jianjun Zhou, Jarken Esimbek, Willem Baan, Dalei Li, Yuxin He, Xindi Tang, Weiguang Ji, Dongdong Zhou, Gang Wu and Ye Xu A&A, 663 (2022) A97 Published online: 19 July 2022 DOI: 10.1051/0004-6361/202243317