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“Computing at the Large Hadron Collider:
Data Intensive Science and the Grid”

James Shank
Physics Department
Boston University
October 31, 2003
The highest energy accelerator, the Large Hadron Collider (LHC), is currently being built at CERN in Geneva, Switzerland. Four large experiments will be run at this laboratory, producing huge amounts of data (10-100 PetaBytes/year/experiment). The collaborations for each of these experiments are truly global with thousands of scientists in each. Extracting interesting physics results (SUSY particles, Higgs, etc.) from these huge datasets will be a challenging computing problem. The computing resources physically at the laboratory will not be sufficient. A global grid of computing centers will be used to process the data, including one at Boston University. The computing model and grid resources needed to do this job will be discussed in the context of one of the large experiments: ATLAS

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