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Advanced Spectrometer and Beam Line Installation for NMR Measurements

Explore the successful installation and calibration of a new spectrometer for NMR measurements, achieving precise results with minimal signal interference. Detailed alignment adjustments were made to fine-tune the equipment, ensuring accurate data collection. The advanced setup includes beam line components, shielding, and radiation detection for high-current operations. The commissioning plan outlines key steps for verification and readiness for upcoming beam studies. Stay updated on this cutting-edge project for future research endeavors.

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Advanced Spectrometer and Beam Line Installation for NMR Measurements

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  1. Experiment beam line installation (9/4/2014)

  2. New spectrometer magnet • NMR measurements • 1st pass (<0.03% midplane) • 2nd pass (<0.01% midplane) • Hall probe • Grid measurements • Calibrated to NMR • Stretched wire • Signal too weak • Alignment • Fixture plate offset => X = -5mm, Z=1.2mm • Dipole chamber roll => Y +0.1mm

  3. Faraday Cup to Photon Dump • Electron Radiator • Final thickness = 0.231 +.003 -.002 “ • ME analysis suggests 1kW OK • Shielding • Pb staged for startup • Coordinate alternative w/ RadCon • Bremsstrahlung Measurement • Detector group may have Ge detector • Estimate photon flux

  4. Summary • New beam line should be ready for the Fall run • Commissioning plan should be submitted • Checklist of machine protection interlocks and controls • Checkout of beam line with electron beam • Beam Studies • Momentum measurement • Bremsstrahlung spectra • Operation at high current

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