1 Welcome to IHEP

Introduction of IHEP Yifang Wang 2

3 Institute of High Energy Physics A comprehensive and largest fundamental research center in China for: –Particle physics –Astroparticle physics –Accelerator technologies and applications –Synchrotron radiation technologies and applications Total Staff: ~ ~400 PhD Students and postdocs Total budget/year: ~ 120M $ Established at 1950, and became an independent institute at 1973.

4 Research Divisions  Experimental Physics ： BESIII, Daya Bay, BELLE II, CMS, ATLAS…  Particle Astrophysics ： cosmic-rays, astrophysics, neutrino physics, particle astrophysics…  Theory ： nuclear & particle physics, field theory, cosmology…  Accelerator: BEPC, high power proton accelerator, free electron laser, …  Multi-discipline Research: Beijing Synchrotron Radiation Lab., Nuclear Analysis Lab., …  Computing and Network  Applications

5 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

7 The BESIII Detector Be beam pipe SC magnet, 1T Magnet yoke MDC, 120  m CsI(Tl) calorimeter, 2.5 TOF, 90ps RPC A total weight of 730t, ~30000 readout channels, data rate ~50Mb/s, ~1000 man*year, 30 M$

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

9 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 collaboration 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

10 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)

North America (14) BNL, Caltech, George Mason Univ., LBNL, Iowa state Univ. Illinois Inst. Tech., Princeton, RPI, UC-Berkeley, UCLA, Univ. of Houston, Univ. of Wisconsin, Virginia Tech., Univ. of Illinois-Urbana-Champaign, Asia (15) IHEP, Beijing Normal Univ., Chengdu Univ. of Sci. and Tech., CGNPG, CIAE, Dongguan Polytech. Univ., Nanjing Univ.,Nankai Univ., Shenzhen Univ., Tsinghua Univ., USTC, Zhongshan Univ., Hong Kong Univ. Chinese Hong Kong Univ., Taiwan Univ., Chiao Tung Univ., National United Univ. Europe (3) JINR, Dubna, Russia Kurchatov Institute, Russia Charles University, Czech Republic Daya Bay collaboration ~ 200 collaborators

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

14 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

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

17 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 Plan High energy accelerators –International collaboration: LHC,ILC,… Underground experiments –Next generation reactor neutrino exp. –New exp. on Dark matter searches Surface experiments –Construction of the LHAASO exp. Space experiments –New exp. at the Chinese space station

A possible Future Neutrino Experiment for mass hierarchy 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 21 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

Other accelerator projects Spallation neutron source （ ） ADS R&D （ ） Beijing light source R&D （ ） 22

Thanks Hope you have a success meeting Enjoy your stay in Beijing 23