on Prospects Texas High Energy Physics Network Needs
Jae Yu Univ. of Texas, Arlington
LEARN Strategy Meeting University of Texas at El Paso Dec. 9, 2004
HEP Prospects, J. Yu LEARN Strategy
Outline
High Energy Physics The challenges HEP in Texas Network Needs for HEP Conclusions
Dec. 9, 2004
HEP Prospects, J. Yu LEARN Strategy
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High Energy Physics
Definition: A field of Physics pursues for fundamental constituents of matter and basic principles of interactions between them How is universe created, and how does it work? Use large particle accelerators Use large particle detectors
Dec. 9, 2004
HEP Prospects, J. Yu LEARN Strategy
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World's Highest Energy proton-anti-proton collider
Ecm=1.96 TeV (=6.3x10-7J/p 13M Joules on 10-4m2) Equivalent to the kinetic energy of a 20t truck at a speed Chicago 80 mi/hr
Fermilab Tevatron
CDF Tevatron
p
D p
Dec. 9, 2004
HEP Prospects, J. Yu LEARN Strategy
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High Energy Physics
Definition: A field of Physics pursues for fundamental constituents of matter and basic principles of interactions between them How is universe created, and how does it work? Use large particle accelerators Use large particle detectors Large, distributed collaborations
~600/experiment for currently operating experiments ~2000/experiment for future experiments Dec. 9, 2004 WWW grew outHEP Prospects, J. Yu expedite of HEP to
LEARN Strategy
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ypical HEP Collaboration at Present
~700 Collaborators ~80 Institutions 18 Countries
Dec. 9, 2004 HEP Prospects, J. Yu LEARN Strategy 6
Large Hadron Collider (LHC) CERN, Geneva: 2007 Start
pp s =14 TeV L=1034 cm-2 s-1 27 km Tunnel in Switzerland & France
CMS
TOTEM
5000+ Physicists 250+ Institutes 60+ Countries
First Beams: Summer 2007 Physics Runs: from Fall 2007
Dec. 9, 2004
ALICE : HI
Atlas
HEP Prospects, J. Yu LEARN Strategy
LHCb: B-physics
H. Newman
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High Energy Physics
Definition: A field of Physics pursues for fundamental constituents of matter and basic principles of interactions between them How is universe created, and how does it work? Use large particle accelerators Use large particle detectors Large, distributed collaborations
WWW grew out of HEP to expedite communication between collaborators ~600/experiment for currently operating experiments ~2000/experiment for future experiments
Multi-peta bytes of data
Present experiments: ~10PB by 2008 Future experiments: Tens of PB by 2008 and ~ Exa-bytes by 2015
Shares many of these challenges with other fields Dec. 9, 2004 HEP Prospects, J. Yu 8 Grid computing is adopted to provide a solution for these LEARN Strategy
LHC Data Grid Hierarchy
~PByte/sec
Online System Experiment
CERN/Outside Resource Ratio ~1:2 Tier0/( Tier1)/( Tier2) ~1:1:1 ~100-1500 MBytes/sec
CERN Center PBs of Disk; Tape Robot
FNAL Center
Tier 0 +1
Tier 1
10 - 40 Gbps
RAL Center INFN Center IN2P3 Center
~10 Gbps
Tier 3
~1-10 Gbps
Tier 2
Institute Institute
Tier2 Center Center Center Center Tier2 Tier2 Tier2 Tier2 Center
Institute Institute
Physics data cache
1 to 10 Gbps
Tens of Petabytes by 2007-8. An Exabyte ~5-7 Years later. H. Newman
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Workstations
Tier Prospects, 4
HEP J. Yu LEARN Strategy
Dec. 9, 2004
Grid3 Deployment Map
Jan. 2004
Over 100 users ~100% utilization Continued increase 30 sites, multiVO
shared resources ~3000 CPUs
Sep. 2004
GriPhyn Grid3 OSG0 Strategy LEARN
HEP Prospects, J. Yu
A.Sill
High Energy Physics in Texas
12 Universities in Texas are involved in HEP
UTA, UT, UH, Rice, TTU, TAMU, UTB, UTEP, SMU, UTD, UTPA, and PVAMU
Many different research facilities used
US: Fermi National Accelerator Laboratory, Jefferson Lab, Brookhaven National Lab, SLAC and Cornell Europe: CERN in Switzerland and DESY in Germany Asia: KEK in Japan and BES in China Natural sources of particle beams
Sizable community, variety of experiments and needs Dec. 9, 2004 HEP Prospects, J. Yu
LEARN Strategy
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Universities in Texas w/ HEP Active Program
Dec. 9, 2004
HEP Prospects, J. Yu LEARN Strategy
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HEP Experiment Involvements and Activities Presently operating experiments
D: UTA, Rice, SMU CDF: TTU, TAMU, Baylor Babar: UH, UTD MINOS: UT
UTA has the only D Regional Analysis Center JY at UTA playing a leadership role in D grid computing A. Sill from TTU is the CDF grid computing coordinator
LHC Experiments
ATLAS: UTA, SMU, UTD, UTPA CMS: RICE, TTU ALICE: UH LHCB: UT
K. De at UTA a grid computing leader UTA a candidate for a Tier 2 center
L. Pinsky at UH the computing coordinator of ALICE UH is competing for Tier 1 center for ALICE
Other Current experiments Beyond the next decade: Linear Collider Dec. 9, 2004 HEP Prospects, J. Yu Texas HEP grid: THEGridLEARNpart of HiPCAT as Strategy
STAR (Rice, TAMU) Belle (UT)
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UTA RAC (DPCC)
84 P4 Xeon 2.4GHz CPU = 202 GHz 100 P4 Xeon 2.6GHz CPU = 260 GHz 7.5TB of Disk space 64TB of Disk space
Total CPU: 300k SI2000 Total disk: 73TB Total Memory: 168Gbyte Network bandwidth: 68Gb/sec
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