Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session E01: Poster Session I (5:45pm-7:45pm)
5:45 PM,
Saturday, April 13, 2019
Sheraton
Room: Plaza Foyer
Abstract: E01.00044 : Commissioning the Coordinate Detector for the Super BigBite Spectrometer (SBS)*
Presenter:
Katie Whitcomb
(Christopher Newport University)
Authors:
Katie Whitcomb
(Christopher Newport University)
Ralph Marinaro
(Christopher Newport University)
Peter Monaghan
(Christopher Newport University)
The Coordinate Detector (CDet) is a 2352-channel two-layer scintillator hodoscope being commissioned for use with the Super Bigbite Spectrometer (SBS) in the nucleon form factor experiments at the Thomas Jefferson National Accelerator Facility (JLab). The coordinate detector will provide supplemental charged particle tracking data, with a resolution of 2 mm which is important for elastic event identification given the very large projected luminosity of 1039 Hz/cm2. Each scintillator paddle in the detector has a wavelength-shifting optical fiber through the middle of it which is connected to a single pixel of a multi-anode photomultiplier tube. An overview of the detector and the commissioning efforts, including determining the threshold and efficiency of every channel and reducing crosstalk between channels, will be presented.
*This material is based upon work supported by the National Science Foundation under Grant No. 1812369.
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