Introduction of IHEP Yifang Wang 1

Institute of High Energy Physics Established at 1950, and became an independent institute at 1973Established at 1950, and became an independent institute at 1973 The largest research center on basic science in China: –Particle physics & Astroparticle physics –Accelerator technologies and applications –Radiation technologies and applications ： X- ray/neutron Total Staff: ~ ~400 Students and postdocs Total budget/year: ~ 120M $ 2

3 Research Divisions  Experimental Physics ： BESIII, Daya Bay, BELLE II, Panda ， ATLAS…  Particle Astrophysics ： AMS ， CMS ， ARGO ， AS  ， Daya Bay ， HXMT ， …  Theory ： nuclear & particle physics, field theory, cosmology…  Accelerator: BEPCII, CSNS, ADS, BAPS, …  Multi-discipline Research: BSRF, Nano Science, Nuclear Analysis Lab., …  Computing and Network  Applications

4 2. BEPCII: High Lumi. Double–ring Collider Build new ring inside existing tunnel. Two half new rings and two half old rings cross at two IR’s, forming a double ring collider. BEPCII

History of tau-charm colliders ADONE ? BEPCII CESRc BEPC SPEAR DORIS I

6 Japan (1) Tokyo Univ. US (6) Univ. of Hawaii Univ. of Washington Carnegie Mellon Univ. Univ. of Minnesota Univ. of Rochester Univ. of Indiana EUROPE (10) Germany: Univ. of Bochum, Univ. of Giessen, GSI ， Mainz ， HIM Russia: JINR, Dubna; BINP, Novosibirsk Italy: Univ. of Torino ， Frascati Lab Netherland ： KVI/Univ. of Groningen BESIII Experiment China(29) IHEP, CCAST, Shandong Univ., Univ. of Sci. and Tech. of China Zhejiang Univ., Huangshan Coll. Huazhong Normal Univ., Wuhan Univ. Zhengzhou Univ., Henan Normal Univ. Peking Univ., Tsinghua Univ., Zhongshan Univ.,Nankai Univ. Shanxi Univ., Sichuan Univ Suzhou Uni., Hangzhou Normal Uni. Hunan Univ., Liaoning Univ. Henan Uni. of Sci. & Tech., Nanjing Univ., Nanjing Normal Univ. Guangxi Normal Univ., Guangxi Univ. Hong Univ., Hong Kong Chinese Univ. Korea (1) Souel Nat. Univ. Pakistan (1) Univ. of Punjab 48 institutions ~ 300 collaborators

BESIII data taking status & plan Previous Data setBESIII Near future J/psiBESII 58M 2009 ： 200M ， 2012 ： 1 B Psi’ CLEO ： 28 M2009 ： 100M, 2012 ： 0.5 B Psi” CLEO ： 0.8 /fb2010 ： 0.9/fb ， 2011 ： 1.9/fb  4040)/  4160) & scan CLEO ：  4160) 2011 ：  4040) 2013 ： 3/fb R scan & TauBESII2014

8 Daya Bay experiment

Discovery of a new type of neutrino oscillation Sin 2 2  13 =  0.016(stat)  0.005(syst) 5.2 s significance Sin 2 2  13 =  0.016(stat)  0.005(syst) 5.2 s significance Phys. Rev. Lett., 108, (2012) 6 countries/regions 38 institutions 250 collaborators

AMS 神舟二号 嫦娥一号 GRM GRM 概念设计 Astro-physics projects SVOM

11 Hard X-ray Modulation Telescope -Realizing the sky scan with highest resolution and sensitivity. -Observing blak holes. -Realizing the sky scan with highest resolution and sensitivity. -Observing blak holes. to be launched in 2015

Sino-Italian ARGO experiment (RPC hall) Sino-Japanese AS γ experiment (scintillation detector array) Sino-Italian ARGO experiment (part of RPC carpet) Yang-Ba-Jin Cosmic-ray observatory ~3TeV~300GeV ASγ scintillation detector

13 Multi-discipline Researches Nano safety Material sciences Protein crystallography Environment science

14 BEPC 4w1 Diffuse Scattering X-ray fluorescence analysis Topography 4B9 X-ray Diffraction Small angle scattering Photoemission SpectroscPopy 3B1 Lithography 3W1 Middle energy 4W1B 4W1A 4B9B 4B9A 3B1B 3B1A 3W1A 3W1B 4 wigglers and 13 beam lines. > 300 exp./year from > 100 institutions Beijing Synchrotron Radiation Facility 1W1A XAFS 1W1B High-pressure diffraction LIGA VUV Macromolecular 3B3 1w1 4w2 3B3 Soft X-ray Optics

Applications Micro-PET Industrial CT Accelerator for Irradiation

Future Physics Plan Underground experiments –Next generation reactor neutrino exp.: Daya Bay II –New exp. on Dark matter searches Surface experiments –New air shower exp.: LHAASO Space experiments –New exp. at the Chinese space station: HERD Future accelerator for physics ?

A Future Reactor Neutrino Experiment Daya Bay New exp.  Detector: 20kt liquid scintillator  Energy reso.: 3%  Scientific goal  Mass hierarchy  Precision meas. of mixing matrix elements  Supernovae  Geo-neutrino  Atmospheric neutrinos  Sterile neutrinos  Exotic searches

西藏羊八井大型高海拔空气簇射观测 站 LHAASO 18 Large High Altitude Air Shower Observatory 地面 粒子阵列 μ 探测器 阵列 水 C 阵列 LHAASO 广角 C 阵列 和 簇射芯 探测器

Future Accelerator Projects Spallation neutron source （ ） ADS R&D （ ） Beijing light source R&D （ ） 19

Thanks Hope you have a success meeting Enjoy your stay in Beijing 20