The CLAS drift chamber system

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Experimental Hall B at Jefferson Laboratory houses the CEBAF Large Acceptance Spectrometer, the magnetic field of which is produced by a superconducting toroid. The six coils of this toroid divide the detector azimuthally into six sectors, each of which contains three large multi-layer drift chambers for tracking charged particles produced from a fixed target on a toroidal axis. Within the 18 drift chambers are a total of 35,148 individually instrumented hexagonal drift cells. The novel geometry of these chambers provides for good tracking resolution and efficiency, along with large acceptance. The design and construction challenges posed by these large-scale detectors ... continued below

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136 Kilobytes pages

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Mestayer, M.D.; Carman, D.S. & Asavaphibhop, B. April 1, 1999.

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Experimental Hall B at Jefferson Laboratory houses the CEBAF Large Acceptance Spectrometer, the magnetic field of which is produced by a superconducting toroid. The six coils of this toroid divide the detector azimuthally into six sectors, each of which contains three large multi-layer drift chambers for tracking charged particles produced from a fixed target on a toroidal axis. Within the 18 drift chambers are a total of 35,148 individually instrumented hexagonal drift cells. The novel geometry of these chambers provides for good tracking resolution and efficiency, along with large acceptance. The design and construction challenges posed by these large-scale detectors are described, and detailed results are presented from in-beam measurements.

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136 Kilobytes pages

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  • Journal Name: Nuclear Instrumentation and Methods A; Other Information: Submitted to Nuclear Instrumentation and Methods A

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  • Report No.: DOE/ER/40150-1342
  • Report No.: JLAB-PHY-99-11
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 754035
  • Archival Resource Key: ark:/67531/metadc702842

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  • April 1, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:42 p.m.

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Mestayer, M.D.; Carman, D.S. & Asavaphibhop, B. The CLAS drift chamber system, article, April 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc702842/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.