Liquid Argon Ionization Chambers as Total Absorption Detectors - INSPIRE

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Liquid Argon Ionization Chambers as Total Absorption Detectors

W.J. Willis
(
- Yale U.
)
,
V. Radeka
(
- Brookhaven
)

Apr, 1974

60 pages

Published in:

Nucl.Instrum.Meth. 120 (1974) 221-236

DOI:

10.1016/0029-554X(74)90039-1

Report number:

BNL-18813

View in:

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Abstract:

A new detector for the measurement of energy by total absorption, based on the use of multiple-plate ion chambers, is described. The use of liquid argon as the working medium and optimized readout results in an electronic noise contribution to the resolution of less than 0.1 GeV, in a large detector. The use of thin plates, 0.1 radiation length, ensures that sampling fluctuations are small The technique allows absolute calibration and very good gain stability. Tests on a detector large enough to absorb a high-energy electromagnetic shower are described, where the energy resolution is limited by the residual sampling fluctuations.

IONIZATION CHAMBER: LIQUID ARGON
TOTAL-ABSORPTION COUNTER
ENERGY RESOLUTION
IONIZATION: READOUT

References(9)

Figures(0)

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