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DIRC, the Particle Identification System for BABAR

Jochen Schwiening, representing the BABAR-DIRC Collaboration

hep-exarXiv:hep-ex/0010068

Abstract

The DIRC, a novel type of Cherenkov ring imaging device, is the primary hadronic particle identification system for the BABAR detector at the asymmetric B-factory, PEP-II at SLAC. BABAR began taking data with colliding beams mode in late spring 1999. This paper describes the performance of the DIRC during the first 16 months of operation.

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