Abstract
The GlueX experiment at Thomas Jefferson National Accelerator Facility (Jefferson Lab) has started data taking in late 2014 with its first commissioning beam. All of the detector systems are now performing at or near design specifications and events are being fully reconstructed. Linearly-polarized photons were successfully produced through coherent bremsstrahlung. An upgrade of the particle identification (PID) system with a GlueX DIRC detector, planned for 2018, will allow identification of final state kaons. The construction of the GlueX DIRC has already started. One of the plans for GlueX is to study properties of short-range correlations (SRC) in nuclei, which will shed new light on the quark-gluon structure of bound nucleons.
Highlights
The GlueX Experiment [1] is a key element of the Jefferson Lab 12 GeV upgrade
The experiment is at the end of a new beamline from the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab, that will use 12 GeV electrons to deliver linearly-polarized photons to a new experimental area, Hall D
In this paper we present some of the first results of the GlueX experiment, as well as describe the planned upgrade of the particle identification system (PID) and plans for studying of Short Range Correlations (SRC) using photonuclear reactions and GlueX spectrometer
Summary
The GlueX Experiment [1] is a key element of the Jefferson Lab 12 GeV upgrade. The experiment is at the end of a new beamline from the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab, that will use 12 GeV electrons to deliver linearly-polarized photons to a new experimental area, Hall D. The primary physics goal of GlueX is to discover and study the properties of hybrid mesons - particles where the gluonic field contributes directly to the JPC quantum numbers of the mesons [2]. In this paper we present some of the first results of the GlueX experiment, as well as describe the planned upgrade of the particle identification system (PID) and plans for studying of Short Range Correlations (SRC) using photonuclear reactions and GlueX spectrometer
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