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Vertical drift chambers for the Hall A high-resolution spectrometers at Jefferson Lab

Fissum, Kevin LU ; Bertozzi, W ; Chen, J .P. ; Dale, D. ; Fenker, H.C. ; Gao, J. ; Gavalya, A ; Gilad, S ; Leathers, C.R. and Liyanage, N , et al. (2001) In Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment 474(2). p.108-131
Abstract
The High-Resolution Spectrometers in Hall A at Jefferson Laboratory have been instrumented with state-of-the-art Vertical Drift Chambers designed and constructed by the Nuclear Interactions Group at MITLNS in conjunction with the Physics Division at Jefferson Lab. These chambers rely on a unique, high cell-density design made possible by the absence of field-shaping wires. Each chamber has an inherent per-plane resolution for 5-cell cosmic-ray tracks of 145 μm FWHM when operated on the bench at -4.8 kV with argon-isobutane gas, and 225 μm FWHM for 5-cell electron tracks when operated in the High-Resolution Spectrometer detector stack at -4.0 kV with argon-ethane gas. The design and construction facilitates wire placement and replacement to... (More)
The High-Resolution Spectrometers in Hall A at Jefferson Laboratory have been instrumented with state-of-the-art Vertical Drift Chambers designed and constructed by the Nuclear Interactions Group at MITLNS in conjunction with the Physics Division at Jefferson Lab. These chambers rely on a unique, high cell-density design made possible by the absence of field-shaping wires. Each chamber has an inherent per-plane resolution for 5-cell cosmic-ray tracks of 145 μm FWHM when operated on the bench at -4.8 kV with argon-isobutane gas, and 225 μm FWHM for 5-cell electron tracks when operated in the High-Resolution Spectrometer detector stack at -4.0 kV with argon-ethane gas. The design and construction facilitates wire placement and replacement to 50 μm, very low dark current, and no cross-talk. The detectors have been in almost continuous use since April 1996, providing reliable, high-resolution charged-particle tracking data for the Hall A physics program. A complete overview of this project is presented. (Less)
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type
Contribution to journal
publication status
published
subject
in
Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
volume
474
issue
2
pages
108 - 131
publisher
Elsevier
external identifiers
  • scopus:0035575456
ISSN
0167-5087
DOI
10.1016/S0168-9002(01)00875-0
project
Vertical Drift Chambers for Hall A at Jefferson Laboratory
Development of Radiation Detectors and Radiation-Detection Techniques
language
English
LU publication?
no
id
1eb9d49b-fa56-4f7f-9902-39c6f9117bae
date added to LUP
2019-06-24 11:33:40
date last changed
2020-02-12 10:08:47
@article{1eb9d49b-fa56-4f7f-9902-39c6f9117bae,
  abstract     = {The High-Resolution Spectrometers in Hall A at Jefferson Laboratory have been instrumented with state-of-the-art Vertical Drift Chambers designed and constructed by the Nuclear Interactions Group at MITLNS in conjunction with the Physics Division at Jefferson Lab. These chambers rely on a unique, high cell-density design made possible by the absence of field-shaping wires. Each chamber has an inherent per-plane resolution for 5-cell cosmic-ray tracks of 145 μm FWHM when operated on the bench at -4.8 kV with argon-isobutane gas, and 225 μm FWHM for 5-cell electron tracks when operated in the High-Resolution Spectrometer detector stack at -4.0 kV with argon-ethane gas. The design and construction facilitates wire placement and replacement to 50 μm, very low dark current, and no cross-talk. The detectors have been in almost continuous use since April 1996, providing reliable, high-resolution charged-particle tracking data for the Hall A physics program. A complete overview of this project is presented. },
  author       = {Fissum, Kevin and Bertozzi, W and Chen, J .P.  and Dale, D. and Fenker, H.C. and Gao, J. and Gavalya, A and Gilad, S and Leathers, C.R.  and Liyanage, N and Michaels, R.O.  and Offermann, E. A. J. M. and Segal , J. and Templon, J. A. and Wechsler, R. and Wojtsekhowski, B. and Zhao, J.},
  issn         = {0167-5087},
  language     = {eng},
  number       = {2},
  pages        = {108--131},
  publisher    = {Elsevier},
  series       = {Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment},
  title        = {Vertical drift chambers for the Hall A high-resolution spectrometers at Jefferson Lab},
  url          = {http://dx.doi.org/10.1016/S0168-9002(01)00875-0},
  doi          = {10.1016/S0168-9002(01)00875-0},
  volume       = {474},
  year         = {2001},
}