The Charge (Z) Identification Module (ZIM) for ACCESS: An Instrument Calibration using 10.6 GeV/nucleon 79AU

Creators: Cummings, J. R.; Adams, J.H.; Barbier, L. M.; Binns, W. R.; Christian, E. R.; deNolfo, G. A.; Hink, P. L.; Israel, M. H.; Leske, R. A.; Link, J. T.; Menn, W.; Mewaldt, R. A.; Mitchell, J. W.; Schindler, S. M.; Simon, M.; Sposato, S. H.; Stone, E. C.; Streitmatter, R. E.; Waddington, C. J.; Wiedenbeck, M. E.

Others:: Kieda, D.; Salamon, M.; Dingus, B.

Abstract

We report the results of an accelerator calibration of detectors planned for use in the ZIM experiment for ACCESS. The experiment utilizes silicon detectors to measure dE/dx, and aerogel and acrylic Cherenkov counters for velocity measurements. For a 79Au beam with energy 10.6 GeV/nucleon, we obtain resolution in charge for the silicon, acrylic Cherenkov, and aerogel Cherenkov of 0.20, 0.22, and 0.45 cu respectively.

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