作者机构:School of Physics ~ Key Laboratory of Particle Physics and Particle Irradiation (Ministry of Education), Shandong University, Jinan 250100, China
相关基金:Acknowledgements We thank X. N. Wang, Y. K. Song, J. H. Gao, and many other people for collaboration and help in preparing this review. Z. T. Liang thanks also John Collins and Zebo Tang for communications. This work was supported in part by the National Natural Science Foundation of China (Grant Nos. 11035003 and 11375104), the Major State Basic Research Development Program in China (Grant No. 2014CB845406) and the CAS Center for Excellence in Particle Physics (CCEPP).