Failure Scenarios and Mitigations and for the BaBar Superconducting Solenoid

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The cryogenic department at the Stanford Linear Accelerator Center is responsible for the operation, troubleshooting, and upgrade of the 1.5 Tesla superconducting solenoid detector for the BABAR B-factory experiment. Events that disable the detector are rare but significantly impact the availability of the detector for physics research. As a result, a number of systems and procedures have been developed over time to minimize the downtime of the detector, for example improved control systems, improved and automatic backup systems, and spares for all major components. Together they can prevent or mitigate many of the failures experienced by the utilities, mechanical systems, ... continued below

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7 pages

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Thompson, EunJoo; Candia, A.; Craddock, W.W.; Racine, M.; Weisend, J.G., II & /SLAC December 13, 2005.

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The cryogenic department at the Stanford Linear Accelerator Center is responsible for the operation, troubleshooting, and upgrade of the 1.5 Tesla superconducting solenoid detector for the BABAR B-factory experiment. Events that disable the detector are rare but significantly impact the availability of the detector for physics research. As a result, a number of systems and procedures have been developed over time to minimize the downtime of the detector, for example improved control systems, improved and automatic backup systems, and spares for all major components. Together they can prevent or mitigate many of the failures experienced by the utilities, mechanical systems, controls and instrumentation. In this paper we describe various failure scenarios, their effect on the detector, and the modifications made to mitigate the effects of the failure. As a result of these modifications the reliability of the detector has increased significantly with only 3 shutdowns of the detector due to cryogenics systems over the last 2 years.

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7 pages

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  • Contributed to 2005 Cryogenic Engineering Conference and International Cryogenic Materials Conference (CEC-ICMC 2005), Keystone, Colorado, 29 Aug - 2 Sep 2005

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  • Report No.: SLAC-PUB-11601
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 877511
  • Archival Resource Key: ark:/67531/metadc875683

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  • December 13, 2005

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 3:41 p.m.

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Thompson, EunJoo; Candia, A.; Craddock, W.W.; Racine, M.; Weisend, J.G., II & /SLAC. Failure Scenarios and Mitigations and for the BaBar Superconducting Solenoid, article, December 13, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc875683/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.