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Published on: 9/23/2001
Last Visited: 7/1/2002
"Unfortunately, out of these billions upon billions of interactions, only an exceedingly small fraction contain interesting physics," says Paul Sheldon.He is an associate professor of physics at Vanderbilt and head of the project to overcome the technical problems presented by the "trigger system" that will be responsible for automatically identifying and recording potentially interesting subatomic events.In previous particle physics experiments, physicists have used relatively crude "triggers" but the volume and rate of data that the BTeV detector will produce rendered previous approaches unworkable.If the scientists were to try to record all the data coming from the detector, it would fill 15 of the largest commercially available hard drives every second.
Because of the intimidating volume of information involved, the physicists turned to computer scientists and electrical engineers to help them design the system."High energy physicists believe that they can solve any problem themselves, so this is one of the few times that we have turned to colleagues in computer science and electrical engineering for help," Sheldon quips.
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Besides Bapty and Sheldon, the other principal investigators on the grant are Jae Oh, assistant professor of computer science at Syracuse University; Ruth Pordes, associate head of the computing division at Fermilab; and Mike Haney, a research engineer in the department of physics at the University of Illinois, Urbana Champaign.
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