Calibration of the high resolution spectrometer barrel calorimeter at PEP

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The High-Resolution Spectrometer (HRS) is a general-purpose detector for the study of high-energy electron-positron collisions. The HRS has been in data-taking operation since early 1982. This report covers the calibration of the barrel shower counter system. The barrel system consists of 40 modules placed in a circular arch having a mean radius of 2.1 m. Each module covers an azimuthal wedge of 9 degrees and has an active length of 3.0 m. There are three independent sections: (1) an inner sandwich of Pb and scintillator (NE110) of thickness 3 r.1., (2) a plane of 14 proportional wire cells equipped with ... continued below

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Pages: 47

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Loos, J.S. January 1, 1983.

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Description

The High-Resolution Spectrometer (HRS) is a general-purpose detector for the study of high-energy electron-positron collisions. The HRS has been in data-taking operation since early 1982. This report covers the calibration of the barrel shower counter system. The barrel system consists of 40 modules placed in a circular arch having a mean radius of 2.1 m. Each module covers an azimuthal wedge of 9 degrees and has an active length of 3.0 m. There are three independent sections: (1) an inner sandwich of Pb and scintillator (NE110) of thickness 3 r.1., (2) a plane of 14 proportional wire cells equipped with charge-division read-out, and (3) an outer sandwich of Pb and scintillator (NE114) of thickness 8. r. 1. The light from the sandwich section is collected at both ends and is passed through long acrylic pipes (5 cm diameter, 162 cm long) to photomultipliers (Amperex XP2230) mounted outside the magnet steel.

Physical Description

Pages: 47

Notes

NTIS, PC A03/MF A01; 1.

Source

  • Calorimeter calibration workshop, Batavia, IL, USA, 29 Apr 1983

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  • Other: DE84000594
  • Report No.: ANL-HEP-CP-83-48
  • Report No.: CONF-8304126-1
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5556990
  • Archival Resource Key: ark:/67531/metadc1093757

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1983

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 18, 2018, 6:27 p.m.

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Loos, J.S. Calibration of the high resolution spectrometer barrel calorimeter at PEP, article, January 1, 1983; Illinois. (digital.library.unt.edu/ark:/67531/metadc1093757/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.