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Published on Aug 21, 2012
In this time-compressed video, crews break down and remove equipment from Jefferson Lab's Experimental Hall C -- one of the lab's four experimental halls that are part of the Continuous Electron Beam Accelerator Facility or CEBAF. Hall C is 150 feet in diameter and 60 feet tall. It has housed a High Momentum Spectrometer that has been used to carry out a number of nuclear physics experiments. The hall also has been used extensively for a variety of highly specialized experiments, dubbed "large-installation experiments."
The equipment seen being disassembled was used for the Q-weak experiment and was removed as the lab prepares for its next phase of research -- the 12 GeV experimental program utilizing the lab's Continuous Electron Beam Accelerator Facility. The equipment being removed includes block shielding, a quartz detector, beamline, magnets and much more. The lab's 6 GeV experimental program ended in May, 2012.
The primary mission of Jefferson Lab is to explore the fundamental nature of the confined states of quarks and gluons, in the nucleons that comprise the mass of the visible universe. In pursuit of this mission, the 2007 Nuclear Science Advisory Committee (NSAC) Long Range Plan recommended the doubling of the energy of CEBAF to 12 GeV (the so-called 12 GeV Upgrade project) as its highest priority. Experiments run in Hall C have covered a broad spectrum of topics, including the structure of pions, kaon particle production, excited states of the proton, and duality.