Construction of PVC Extrusions for the NOνA Near and Far Detectors | Zendy

S. Phan-Budd | Zendy

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Construction of PVC Extrusions for the NOνA Near and Far Detectors

Author(s) -

S. Phan-Budd

Publication year - 2012

Publication title -

physics procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.26

H-Index - 61

ISSN - 1875-3892

DOI - 10.1016/j.phpro.2012.02.460

Subject(s) - scintillator , fermilab , detector , beamline , upgrade , neutrino , optics , extrusion , physics , beam (structure) , materials science , nuclear physics , nuclear engineering , composite material , engineering , computer science , operating system

NOνA, or NuMIOff-Axis νe Appearance experiment, is a long-baseline neutrino experiment using an off-axis beam produced by the main injector (NuMI) neutrino beamline at Fermilab. The experiment is designed to study νμ to νe oscillations.It consistsoftwoPVCand liquid scintillator detectorsanda beamline upgrade. Thefar detector weighs 14 kton and will be located in Ash River, Minnesota, 810km from NuMI. The smaller, 220 ton near detector will be located underground at Fermi National Accelerator Laboratory. Each detector consists of planes of PVC extrusions containing liquid scintillator and wavelength shifting ber. The PVC extrusions are made using a formula specially designed for high reectivity, ease of extrusion and tensile qualities. Custom extrusion dies and extruding procedures havebeencreatedto ensureauniformproductthatholdstostrict dimensionalandmaterial tolerances.The construction of the NOνAnear detector on the surface (NDOS) extrusions will be presented, addressing the challenges of creating physics qualityPVCextrusionsandtheQA techniquesusedto ensurethat quality. Finally, preparationsfor construction of thefar detector willbe discussed

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