Search results for "Helium-3 refrigerator"

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A high power liquid hydrogen target for the Mainz A4 parity violation experiment

2005

We present a new powerful liquid hydrogen target developed for the precise study of parity violating electron scattering on hydrogen and deuterium. This target has been designed to have minimal target density fluctuations under the heat load of a 20$\mu$A CW 854.3 MeV electron beam without rastering the electron beam. The target cell has a wide aperture for scattered electrons and is axially symmetric around the beam axis. The construction is optimized to intensify heat exchange by a transverse turbulent mixing in the hydrogen stream, which is directed along the electron beam. The target is constructed as a closed loop circulating system cooled by a helium refrigerator. It is operated by a …

PhysicsNuclear and High Energy PhysicsNatural convectionHydrogenFOS: Physical scienceschemistry.chemical_elementElectronHelium-3 refrigeratorchemistryHeat transferCathode rayPhysics::Accelerator PhysicsNuclear Experiment (nucl-ex)Atomic physicsNuclear ExperimentInstrumentationLiquid hydrogenBeam (structure)Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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