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Virtual experiments for teaching and training

Virtual experiments for teaching and training. Kim Lefmann MCNSI, ILL, 26/5-05. New university neutron course. University of Copenhagen, 4 th year physics 10 hours per week, 8 weeks Lecturers: Kim Lefmann, Peter Willendrup, Bente Lebech, Kell Mortensen 4 reports, no exam

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Virtual experiments for teaching and training

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  1. Virtual experiments for teaching and training Kim Lefmann MCNSI, ILL, 26/5-05

  2. New university neutron course • University of Copenhagen, 4th year physics • 10 hours per week, 8 weeks • Lecturers: Kim Lefmann, Peter Willendrup, Bente Lebech, Kell Mortensen • 4 reports, no exam • Theory (Squires) and simple calculation problems • Data analysis (Fullprof, Mfit, “SANS”) • Instrument simulations (DMC, “RITA-2”, SANS-2) • Plus 6 full days experiments at PSI (same instruments)

  3. Course plan • 1: Intro (neutrons + McStas), materials, Squires ch. 1 • 2-3: Scattering theory, (powder) diffraction, FULLPROF, DMC Project (crystal structure), Squires ch. 2-3 (elastic) • 4-5: Inelastic scattering, phonons, MFIT, RITA-2 project (phonons), Squires ch. 2-3 (inelastic) • 6-7: SANS, “SANS-software”, SANS-2 project, Notes • 8: Magnetic scattering, Squires ch. 7-8 • “9”: PSI experiments, comparing with simulations

  4. Project 1, DMC • PSI cold source • Straight guide • Flat monochromator • Collimator • Powder sample • Banana detector • (+ diagnostic monitors) • Data analysis

  5. Project 2, RITA-2 • PSI cold source • Straight guide • Curved monochromator • Collimator • Vanadium / phonon sample • Single analyzer blade • Single detector • (+ diagnostic monitors) • Data analysis in MFIT

  6. Project 3, SANS-2 • PSI cold source • Straight guide • Velocity selector • Pinhole collimation • SANS sample • + program own sample • PSD detector • (+ diagnostic monitors) • Data analysis in “SANS software”

  7. Conclusion • Students seem to like the approach • Good “hands-on” experience to instrumentation • Good test of the user interface! • Helps us focus to get virtual experiments tested!

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