1. 1 The K2K Experiment (Japan) Production of neutrinos at KEK and detection of it at Super-K Data acquisition and analysis is in progress Goals Detection of Neutrino oscillation and determination of the massiveness of neutrinos KOREA --- KEK Link (H-G)

2. 2 The CDF Experiment at Fermilab (USA) 2 TeV proton-antiproton collisions Data acquisition and analysis in progress Goals Search for Higgs Tests of SM Study of heavy quark systems KOREA --- Fermilab Link (H-G --TransPac)

3. 3 2005 7 To be launched Oct. 2005 The AMS Experiment in Space (ISS) Antimatter search in space using the International Space Station (ISS) Installation of AMS detector at ISS in 2005 and run for 3 or 4 years Analysis of data from Space Shuttle running Goals Antimatter/Matter ratio in space Search for Dark Matter and Study of the origin of the universe Propagation of Cosmic particles KOREA --- CERN (from US) Link (TEIN?)

4. 4 Korea HEP Data Grid in shape Large-scale enterprise experiments to which Koreans are committed now and in the future CMS (CERN, Europe) vs Japanese ATLAS : begin in 2006 AMS / ISS (MIT, NASA, CERN) : begin in 2005 CDF / Fermilab (USA) : already began Belle / KEK – Japan : already began K2K / KEK – Japan : restart in 2005 Linear Collider Exp (either in Asia, Europe or USA) : ~2009 Good communication / computer networking / videoconferencing Large data acquisition, storage, analysis at widely spread institutions Supercomputing power in simulation Already huge data sets to be tested in our hands (from Europe, USA, Japan)

5. 5 Korea HEP example We now have huge experimental data coming from Space Ground Surface Underground Transferring and Sharing data Interlaboratory Internationally Intercontinentally is necessary Thousands of people have to get access to the data

6. 6 Center for High Energy Physics ( C H E P ) Kyungpook National University Daegu, Korea 1. CMS Tier-1 Regiona l Center (CERN) 4. Belle Exp (Japa n) 5. K2K Exp (Japa n) 3. CDF Grid (USA) 2. AMS Regional Center (CERN) 6. PHENI X Grid (USA) Data Grid Clust er Korea U Seonkyunkwan U Chonnam N U Gyeoogsang N U Konkuk U Ewha W U Dongshin U KBSI … Other users CHEP Kyungpook N U Seoul N U Yonsei U Established in July 1, 2000. A national center designated by the Korean Ministry of Science and Technology and supported by the Korean Science and Engineering Foundation (KOSEF) 47 HEP physicists with doctoral degrees and 120 graduate students from 12 universities inside Korea. Major research activities: CMS at CERN AMS at ISS based at CERN Belle/K2K in Japan CDF/Phenix in USA Korea HEP Data Grid Project

7. 7 Conclusion HEP as a frontier-field in innovation of computers and networks, SW needs a new concept of doing research, Grid, especially Data Grid. World-wide HEP Data Grids over various experiments are rapidly evolving and seem very promising successful. Networks: The scale and capability of networks, their pervasiveness and range of applications in everyday life, and HEPs dependence on networks for its research, are all increasing rapidly. However, the gap between the economically favored regions and the rest of the world is widening. We must therefore work to close the Digital Divide. Although promising, international connectivity should be improved Finally, HEP is an excellent promising example of truly global e- Science, with widely dispersed resources all over the world and with excellent collaboration.