BaBar drift chamber aging study
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Changguo Lu
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Article
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2004
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Elsevier Science
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English
β 344 KB
In order to obtain a reliable estimate of the lifetime of the BaBar drift chamber, a dedicated aging test chamber has been constructed. The working gas mixture is Helium/Isobutane (80/20). After accumulating up to 0.11 C/cm charge dose the anode wire showed no appreciable signs of aging, but the fie