3 years ago

The GlueX Start Counter Detector.

Eric Pooser, Fernando Barbosa, Werner Boeglin, Charles Hutton, Mark Ito, Mahmoud Kamel, Puneet Khetarpal, Anthony Llodra, Joseph Sandoval, Simon Taylor, Timothy Whitlatch, Stephanie Worthington, Carlos Yero, Benedikt Zihlmann

The design, simulation, fabrication, calibration, and performance of the GlueX Start Counter detector is described. The Start Counter was designed to operate at integrated rates of up to 9 MHz with a timing resolution in the range of 500 to 825 ps (FWHM). The Start Counter provides excellent solid angle coverage, a high degree of segmentation for background rejection, and can be utilized in the level 1 trigger for the experiment. It consists of a cylindrical array of 30 thin scintillators with pointed ends that bend towards the beam line at the downstream end. Magnetic field insensitive silicon photomultiplier detectors were used as the light sensors.

Publisher URL: http://arxiv.org/abs/1901.02759

DOI: arXiv:1901.02759v1

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