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Exercise 6: Low Energy Neutrons

Exercise 6: Low Energy Neutrons. Beginners FLUKA Course. Exercise 6: Low Energy Neutrons. Create a folder called ex6, download the solution of ex5 (only ex5.inp) from the website, rename it to ex6.inp and open it in flair

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Exercise 6: Low Energy Neutrons

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  1. Exercise 6: Low Energy Neutrons Beginners FLUKA Course

  2. Exercise 6: Low Energy Neutrons • Create a folder called ex6, download the solution of ex5 (only ex5.inp) from the website, rename it to ex6.inp and open it in flair • Change the materials of the regions TARGS1 and TARGS2 to lead. Change the material of region TARGS3 to water. • Add an estimator to score the fluence of neutrons in water (region TARGS3): • Use logarithmic energy binning down to the group of lowest energy • Write the output unformatted to unit 56 • Run 5 times 5000 primaries and plot the results as a lethargy spectrum (x-axis: GeoMean, y-axis: Y*<Xgeo>, both axis logarithmically) • Save the plot • Identify the peak in thermal part of spectrum • Note: automatic matching of group structure • Redo the exercise for water at 87K applying LOW-MAT‏ to water components • Compare the new plot to the previous one

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