Nodal s± pairing symmetry in an iron-based superconductor with only hole pockets

Dingsong Wu, Junjie Jia, Jiangang Yang, Wenshan Hong, Yingjie Shu, Taimin Miao, Hongtao Yan, Hongtao Rong, Ping Ai, Xing Zhang, Chaohui Yin, Jieyi Liu, Houke Chen, Yiheng Yang, Cheng Peng, Chenlong Li, Shenjin Zhang, Fengfeng Zhang, Feng Yang, Zhimin Wang, Nan Zong, Lijuan Liu, Rukang Li, Xiaoyang Wang, Qinjun Peng, Hanqing Mao, Guodong Liu, Shiliang Li, Yulin Chen, Huiqian Luo, Xianxin Wu, Zuyan Xu, Lin Zhao, Xingjiang Zhou