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This is an early physics analysis which can be competitive to current limits with a luminosity of between 100pb-1 and 1fb-1 depending on the event selection and efficiency.
A more detailed, ATLAS only page, can be found here.
Related Papers
An Updated Description of Heavy-Hadron Interactions in GEANT4 - R. Mackeprang and D. A. Milstead (http://arxiv.org/abs/0908.1868)
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