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UBC Theses and Dissertations

A study of background radiation distributions for the SLAC B factory drift chamber Goodenough, C. R. Cherie


The distribution of lost-particle and bremsstrahlung background radiation in the BABAR Drift Chamber at the Stanford Linear Accelerator Center (SLAC) has been modeled. Simulations show that occupancies are well within manageable levels (peaked at 0.55% in the inner layers) at nominal rates and that radical changes in the endplate design are unnecessary. Chamber aging is also shown to occur at an acceptable level, with no significant damage to the chamber wires within the first five years.

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