Nature CommunicationsProbing resonances in the double-well entry valley of the Cl + NH3 reaction using high-resolution anion photoelectron spectroscopyShuaiting YanRui ZhangWenru JieJiayi ChenMingjuan YangHongwei SongChuangang Ning2026-04-22Full textDOI https://doi.org/10.1038/s41467-026-71634-2