Author :
Bofill, J. ; Busza, W. ; Eldridge, T. ; Friedman, J.I. ; Goodman, M.C. ; Kendall, H.W. ; Lyons, T. ; Magahis, R. ; Mattison, T. ; Mukerjel, A. ; Osborne, L. ; Pitt, R. ; Rosenson, L. ; Sandacz, A. ; Tartalia, M. ; Verdier, R. ; Whitaker, S. ; Yeh, G.P.
Abstract :
A proportional tube chamber system has been constructed to instrument a high energy neutrino calorimeter at Fermilab. Each proportional wire chamber consists of a stack of extruded aluminum eight cell 1" Ã 8" extrusion with a 1/2" cell offset. With these modules 12\´ Ã 12\´, 16\´ Ã 16\´ and 24\´ Ã 24\´ chambers have been constructed. A novel resistive charge division system is used for the position measurement. This system, consists of a number of wires resistively connected in a paralled feeding into two amplifiers, one at each end. From a measurement of the pulse height difference normalized to the pulse height sum, the hit wire is uniquely determined thus giving a lateral position measurement.