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Topics. Goals for simulation development Structure Physics simulation Detector simulation Physics methods Examples What Next?. Goals. Provide tool for common use Configurable Quality Physics Simple/sophisticated detector models Export results. Structure. Configuration

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  1. D. Seckel, Univ. of Delaware

  2. Topics • Goals for simulation development • Structure • Physics simulation • Detector simulation • Physics methods • Examples • What Next?

  3. Goals • Provide tool for common use • Configurable • Quality Physics • Simple/sophisticated detector models • Export results

  4. Structure • Configuration • Physics methods • Detector tree • Event loop • Physics: event tree …. storage, execution • Detection: detector response tree • Event logging • Report results • Text, binary, root

  5. Physics simulation • Event generator • RFpulses • Shower • Geometry (ray tracing, multiple solutions) • RF packet at launch (AVZ) • Propagation (attenuation, focusing) • RF packet at antenna • Complex spectrum (t, x, n, e, f(w)) • Multiple rays • Multiple sources (sub events)

  6. Event tree Links to RF nodes get placed on the detector tree.

  7. Physics: Attenuation

  8. Detector simulation • Combine RF packets • Time domain • Frequency domain • Analog • Antenna • Frontend • L0: Discriminator • Digital • Trigger logic • Global trigger

  9. Examples: a 121 rx 10km array @200 Configuration Files Reports 10000 events in 5000 seconds. (dominated by ray tracing)

  10. Gratuitous pictures (1) 10kmx10km deep 10kmx10km shallow

  11. Gratuitous pictures (2) 50 v 200 m depth … {z,nz} = {-2.2419,-0.008808}

  12. What next ? • Design studies • Array spacing and depth • Trigger strategies • Cluster vs sparse • SATRA • Physics studies • Test l, n, birefringence • AVZ & waveform shape • Sophisticated events (e.g. AS cores) • Acoustic

  13. Summary • Sade is working with standard components, capable of design studies for array dimensions – “out of the box” – (with bugs?) • Simple physics modifications possible, work with Pat • Hybrid simulation? Need acoustic source model, propagation, detector elements. • ftp://ftp.bartol.udel.edu/anita/SADE/

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