System Overview

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System Description and Presentation Information

Powerpoint files containing Lepton-Photon 1999 DCH posters: poster1 and poster2 (revised 9/4/99)
Description of Drift Chamber and performance goals in postscript, PDF and original PowerPoint97
Cross-sectional view (eps) of Drift Chamber showing main dimensions
Wire map for one wedge (eps) and one quadrant (eps) of the Drift Chamber endplate
TDR resolution plot (eps) from analysis of Prototype I data
TDR mass resolution (eps) for B reconstruction under various assumptions about forward geometry
PowerPoint97 file containing 9 posters with collected photographs of the Drift Chamber at various phases in construction, testing, and installation
Sample events from IR2 running are here, here, here, and here
Sample results from IR2 data taking without magnetic field: layer-by-layer resolutions, summary of spatial resolutions, and resolution vs drift distance

Link to official Authoritative Plots area
Plot of resolution versus drift distance for multihadron event sample, showing average single-cell resolution of 125 microns
Distribution of hits on track for multihadron event sample
Plot of drift time-space relationship for left and right halves of cell
Scatter plot of dE/dx versus momentum from beam scan data with parameterised Bethe-Bloch curves
dE/dx resolution for Bhabha electrons
dE/dx resolution v. momentum for cosmic muons.

"The BABAR Drift Chamber", Vienna Wire Chamber Conference, 1998 by Gabriella Sciolla

For comments, questions, or changes to this page contact Soeren Prell