Particle identification using dE dx in the mark II detector at the SLC

A. Boyarski, D. P. Coupal, G. J. Feldman, G. Hanson, J. Nash, K. F. O'Shaughnessy, P. Rankin, R. Van Kooten

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The central drift chamber in the Mark II detector at the SLAC linear collider has been instrumented with 100 MHz flash-ADCs. Pulse digitization provides particle identification through the measurement of average ionization loss in the chamber. We present the results of a study of system performance and outline the systematic corrections that optimize resolution. The data used are from a short test run at PEP with one third of the FADCs installed, and an extensive cosmic ray sample with the fully instrumented chamber.

Original languageEnglish
Pages (from-to)617-621
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number3
Publication statusPublished - 10 Nov 1989
Externally publishedYes

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