Xi'an AMS center, No.99 Yanxiang Road, Yanta District, Xi'an, 710054, China ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
NSF-AMS Laboratory, Physics Building, Department of Physics, University of Arizona, 1118 East Fourth St, Tucson, AZ 85721, United States
School of Human Settlement and Civil Engineering, Xi'an JiaoTong University, No.28 Xianning West Road, Xi'an, 710049, China ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
Xi'an AMS center, No.99 Yanxiang Road, Yanta District, Xi'an, 710054, China ; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
NSF-AMS Laboratory, Physics Building, Department of Physics, University of Arizona, 1118 East Fourth St, Tucson, AZ 85721, United States
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, No.10 Fenghui South Road, Hi-tech Zone, Xi'an, 710075, China