The GlueX DIRC Program

Ali A.,Barbosa F., Bessuille J.,Chudakov E.,Dzhygadlo R.,Fanelli C., Frye J.,Hardin J., Hurley A.,Kalicy G., Kelsey J.,Li W., Patsyuk M.,Schwarz C.,Schwiening J.,Shepherd M.,Stevens J. R.,Whitlatch T.,Williams M.,Yang Y.

JOURNAL OF INSTRUMENTATION（2020）

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摘要

The GLUEX experiment is located in experimental Hall D at Jefferson Lab (JLab) and provides a unique capability to search for hybrid mesons in high-energy photoproduction, utilizing a similar to 9 GeV linearly polarized photon beam. The initial, low-intensity phase of GLUEX was recently completed and a high-intensity phase has begun in 2020 which includes an upgraded kaon identification system, known as the DIRC (Detection of Internally Reflected Cherenkov light), utilizing components from the decommissioned BaBar DIRC. The identification of kaon final states will significantly enhance the GLUEX physics program, to aid in inferring the quark flavor content of conventional (and potentially hybrid) mesons. In these proceedings, we describe the installation of the GLUEX DIRC and the analysis of initial commissioning data.

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关键词

Cherenkov and transition radiation,Cherenkov detectors,Particle identification methods

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