Effects of non-parallel magnetic fields on hexagonal cell drift chambers

M. D. Mestayer; C. L. Tam; K. Wang; H. Baghaei; S. Christo; S. A. Dytman; G. P. Gilfoyle; J. D. Hewitt; F. W. Hersman; R. S. Hicks; R. A. Miskimen; R. Schumacher; M. F. Vineyard

doi:10.1109/23.159689

Effects of non-parallel magnetic fields on hexagonal cell drift chambers

M. D. Mestayer, C. L. Tam, K. Wang, H. Baghaei, S. Christo, S. A. Dytman, G. P. Gilfoyle, J. D. Hewitt, F. W. Hersman, R. S. Hicks, R. A. Miskimen, R. Schumacher, M. F. Vineyard

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Abstract

The effect of magnetic field on drift velocity was measured in a wire chamber with a hexagonal cell geometry and an argon-ethane gas mixture. Using cosmic ray tracks, the drift-time-to-distance correlation was studied as a function of magnetic field strength. Particular attention was paid to the corrections due to differing track entrance angles and differing angles of the magnetic field direction with respect to the wire axis. Spatial resolutions better than 180 μm were achieved for field strengths up to 1.5 T and angles between wire and field direction ranging from 0° to 30°. An argon-ethane mixture diluted with 60% helium showed less sensitivity to magnetic field effects, and only slightly worse resolution.

Original language	English (US)
Pages (from-to)	690-695
Number of pages	6
Journal	IEEE Transactions on Nuclear Science
Volume	39
Issue number	4
DOIs	https://doi.org/10.1109/23.159689
State	Published - Aug 1992

ASJC Scopus subject areas

Nuclear Energy and Engineering
Electrical and Electronic Engineering

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title = "Effects of non-parallel magnetic fields on hexagonal cell drift chambers",

abstract = "The effect of magnetic field on drift velocity was measured in a wire chamber with a hexagonal cell geometry and an argon-ethane gas mixture. Using cosmic ray tracks, the drift-time-to-distance correlation was studied as a function of magnetic field strength. Particular attention was paid to the corrections due to differing track entrance angles and differing angles of the magnetic field direction with respect to the wire axis. Spatial resolutions better than 180 μm were achieved for field strengths up to 1.5 T and angles between wire and field direction ranging from 0° to 30°. An argon-ethane mixture diluted with 60% helium showed less sensitivity to magnetic field effects, and only slightly worse resolution.",

author = "Mestayer, {M. D.} and Tam, {C. L.} and K. Wang and H. Baghaei and S. Christo and Dytman, {S. A.} and Gilfoyle, {G. P.} and Hewitt, {J. D.} and Hersman, {F. W.} and Hicks, {R. S.} and Miskimen, {R. A.} and R. Schumacher and Vineyard, {M. F.}",

year = "1992",

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language = "English (US)",

volume = "39",

pages = "690--695",

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T1 - Effects of non-parallel magnetic fields on hexagonal cell drift chambers

AU - Mestayer, M. D.

AU - Tam, C. L.

AU - Wang, K.

AU - Baghaei, H.

AU - Christo, S.

AU - Dytman, S. A.

AU - Gilfoyle, G. P.

AU - Hewitt, J. D.

AU - Hersman, F. W.

AU - Hicks, R. S.

AU - Miskimen, R. A.

AU - Schumacher, R.

AU - Vineyard, M. F.

PY - 1992/8

Y1 - 1992/8

N2 - The effect of magnetic field on drift velocity was measured in a wire chamber with a hexagonal cell geometry and an argon-ethane gas mixture. Using cosmic ray tracks, the drift-time-to-distance correlation was studied as a function of magnetic field strength. Particular attention was paid to the corrections due to differing track entrance angles and differing angles of the magnetic field direction with respect to the wire axis. Spatial resolutions better than 180 μm were achieved for field strengths up to 1.5 T and angles between wire and field direction ranging from 0° to 30°. An argon-ethane mixture diluted with 60% helium showed less sensitivity to magnetic field effects, and only slightly worse resolution.

AB - The effect of magnetic field on drift velocity was measured in a wire chamber with a hexagonal cell geometry and an argon-ethane gas mixture. Using cosmic ray tracks, the drift-time-to-distance correlation was studied as a function of magnetic field strength. Particular attention was paid to the corrections due to differing track entrance angles and differing angles of the magnetic field direction with respect to the wire axis. Spatial resolutions better than 180 μm were achieved for field strengths up to 1.5 T and angles between wire and field direction ranging from 0° to 30°. An argon-ethane mixture diluted with 60% helium showed less sensitivity to magnetic field effects, and only slightly worse resolution.

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JF - IEEE Transactions on Nuclear Science

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Effects of non-parallel magnetic fields on hexagonal cell drift chambers

Abstract

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