1. Xi’an
AMS Center, SKLLQG, Shaanxi Key Laboratory of Accelerator Mass Spectrometry
Technology and Application, Institute of Earth Environment, CAS, Xi’an 710061, China
2. University of Chinese Academy of Science, Beijing 100049, China
3. Technical University of Denmark, Center for Nuclear
Technologies, Risø
Campus, Roskilde 4000, Denmark
4. Department
of Geology, United Arab Emirates University, Al Ain, United Arab Emirates
5. Department
of Earth Sciences, Uppsala University, Uppsala 75120, Sweden
6. Tandem
Laboratory, Uppsala University, Uppsala 75120, Sweden
7. School
of Nuclear Science and Technology, Lanzhou University, 73000, Lanzhou, China
8. College of Hydrology & Water Resources, Hohai University, 210098, Nanjing, China