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High Power Target R&D

This workshop presentation provides an overview of the research and development efforts related to high-power target systems. It focuses on solid targets, target shock studies, beam-induced shock simulations, graphite and carbon composites, super-alloys, and radiation damage studies in high-Z materials like tantalum. Discussions include the experience gained from accelerator operations, such as proton irradiation, and the fluence levels necessary for target performance. The path forward includes exploring different environments for proton-graphite interactions and the study of materials under high fluences, like Albemet. The presentation also suggests delving into the impact of shock and fatigue on target material microstructure.

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High Power Target R&D

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  1. High Power Target R&D N. Simos, BNL 2nd Princeton-Oxford High Power Targetry Workshop Nov. 6-7, 2008

  2. Superbeam Target Concept

  3. Parameter SpaceA happy medium between physics goals and engineering reality

  4. Overview of R&D Realized to-date on Solid Targets • Target Shock Studies • Radiation damage Studies

  5. Solid Targets

  6. Target Shock Studies

  7. Pulse Structure

  8. Beam-induced shock simulation

  9. Beam-induced shock simulation

  10. Beam-induced shock simulation

  11. Pulse Structure

  12. Solid Target Shock Studies • Graphite and Carbon composites • super-alloys

  13. Graphite-CC experience

  14. Graphite-CC experience

  15. Graphite-CC experience

  16. Graphite-CC experience Accelerator (proton irradiated) experience to support this ????

  17. Graphite-CC experience Accelerator Experience: TRIUMF Target; LANL Target; PSI Target Water-cooled/Edge-cooled TRIUMF target Fluence: somewhere 10^21 -10^22 p/cm2 radiation-cooled High operating temp ~1100 C

  18. super-Invar

  19. “Gum” metal

  20. Gum metal

  21. Other alloys

  22. Radiation Damage Studies – High-Z Materials Tantalum

  23. Path forward Protons on graphite/CC (> fluence threshold) under different environment (vacuum or helium) Study of Albemet to high fluences Understanding damage via photon scattering (effort under way) ……maybe explore the effect of shock and fatigue on target material microstructure

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