DRCELL: A software package for drift chamber cell design

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Description

Designing a drift chamber cell geometry which optimizes resolution and two track separation is not a straightforward task. This paper describes a software package which helps visualize the behavior of drifting electrons within the cell under the influence of electric and magnetic fields. Histograms of chamber pulse shapes and arrival times may be generated. In addition, a calculation of the gas gain is performed. The package presently uses drift velocity, drift angle, gain, and dE/dx parameterizations for 50:50 argon/endash/ethane but modifications may be easily made for other gas mixtures. The model is straightforward and relies on an analytical form for ... continued below

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Pages: 17

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Baller, B.R. March 6, 1989.

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Description

Designing a drift chamber cell geometry which optimizes resolution and two track separation is not a straightforward task. This paper describes a software package which helps visualize the behavior of drifting electrons within the cell under the influence of electric and magnetic fields. Histograms of chamber pulse shapes and arrival times may be generated. In addition, a calculation of the gas gain is performed. The package presently uses drift velocity, drift angle, gain, and dE/dx parameterizations for 50:50 argon/endash/ethane but modifications may be easily made for other gas mixtures. The model is straightforward and relies on an analytical form for the electric potential of an infinite series of wires. The electric field is calculated numerically in a small region surrounding any point of interest. In the absence of a magnetic field, the drift direction of an ionization electron is the unit vector along the E field direction. When a perpendicular magnetic field is present, the drift direction is rotated by the Lorentz angle, a. 3 refs., 2 figs., 1 tab.

Physical Description

Pages: 17

Notes

NTIS, PC A03/MF A01 - OSTI; 1.

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  • Other Information: Portions of this document are illegible in microfiche products

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  • Other: DE89011476
  • Report No.: FNAL-TM-1568
  • Grant Number: AC02-76CH03000
  • DOI: 10.2172/6079845 | External Link
  • Office of Scientific & Technical Information Report Number: 6079845
  • Archival Resource Key: ark:/67531/metadc1106179

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Office of Scientific & Technical Information Technical Reports

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  • March 6, 1989

Added to The UNT Digital Library

  • Feb. 22, 2018, 7:45 p.m.

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  • May 9, 2018, 4:21 p.m.

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Baller, B.R. DRCELL: A software package for drift chamber cell design, report, March 6, 1989; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc1106179/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.