The DØ preshower detector consists of scintillator strips with embedded wavelength-shifting fibers, and a readout using Visible Light Photon Counters. The response to minimum ionizing particles has been tested with cosmic-ray muons. We report results on the gain calibration and light-yield distributions. The spatial resolution is investigated taking into account the light sharing between strips, the effects of multiple scattering and various systematic uncertainties. The detection efficiency and noise contamination are also investigated.
|Original language||English (US)|
|Number of pages||16|
|Journal||Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment|
|State||Published - Aug 21 2001|
Bibliographical noteFunding Information:
We wish to thank our colleagues on DØ for their essential contributions. We would like to express our gratitude to Prof. T. Ferbel for stimulating discussions and careful reading of the manuscript. We acknowledge technical assistance provided by the DØ department of the Fermilab Particle Physics Division. This work was supported by US Department of Energy and the National Science Foundation.
Copyright 2007 Elsevier B.V., All rights reserved.