1. Personal Details Name: Yi Zhang Mailing Address: P.O.Box 918-3, 19B Yuquan Lu, Shijingshan District, Beijing, China, 100049 Email: zhangyi@mail.ihep.ac.cn zhangyi@mail.ihep.ac.cn Tel: +86-010-88236693 Current Position 2011/1-Present: Associate Professor, Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences Research Interests Cosmic ray Physics and VHE gamma ray astronomy

2. 2 ARGO Hall Tibet AS  array Tibet ArrayTibet Yangbajing Observatory Located at an elevation of 4300 m (Yangbajing, China))

3. Longitudinal development of AS Why Tibet? 1. Low energy Threshold (TeV) 2. Good Energy determination in Knee (10^15- 10^16eV)

6. Sidereal time anisotropy in two hemisphere Tibet III Icecube Milargro, superK, ARGO

10. p/γ discrimination by muons

11. 暗物质粒 子间接探 测 宇宙射线 起源 The upgrading: Tibet MD detector

12. Tibet MD detector

13. The sensitivity of Tibet Asγ+MD detector

16. End, Thanks!

17. 银河宇宙线宏观传播：与环境物质一起绕银心共转 《科学》 314(2006)439-443 COBE 观测的 CMB 的各向异性 AS  观测的宇宙线各向异性