High Power Target RD N Simos BNL 2
High Power Target R&D N. Simos, BNL 2 nd Princeton-Oxford High Power Targetry Workshop Nov. 6 -7, 2008 1 BROOKHAVEN SCIENCE
Superbeam Target Concept 2 BROOKHAVEN SCIENCE
Parameter Space A happy medium between physics goals and engineering reality 3 BROOKHAVEN SCIENCE
Overview of R&D Realized to-date on Solid Targets • Target Shock Studies • Radiation damage Studies 4 BROOKHAVEN SCIENCE
Solid Targets 5 BROOKHAVEN SCIENCE
Target Shock Studies 6 BROOKHAVEN SCIENCE
Pulse Structure 7 BROOKHAVEN SCIENCE
Beam-induced shock simulation 8 BROOKHAVEN SCIENCE
Beam-induced shock simulation 9 BROOKHAVEN SCIENCE
Beam-induced shock simulation 10 BROOKHAVEN SCIENCE
Pulse Structure 11 BROOKHAVEN SCIENCE
Solid Target Shock Studies • Graphite and Carbon composites • super-alloys 12 BROOKHAVEN SCIENCE
Graphite-CC experience 13 BROOKHAVEN SCIENCE
Graphite-CC experience 14 BROOKHAVEN SCIENCE
Graphite-CC experience 15 BROOKHAVEN SCIENCE
Graphite-CC experience Accelerator (proton irradiated) experience to support this ? ? 16 BROOKHAVEN SCIENCE
Graphite-CC experience Accelerator Experience: TRIUMF Target; LANL Target; PSI Target : s om ew he re 10 ^2 1 -1 0^ 22 p/ cm 2 Water-cooled/Edge-cooled TRIUMF target nc e radiation-cooled Fl ue High operating temp ~1100 C 17 BROOKHAVEN SCIENCE
super-Invar 18 BROOKHAVEN SCIENCE
“Gum” metal 19 BROOKHAVEN SCIENCE
Gum metal 20 BROOKHAVEN SCIENCE
Other alloys 21 BROOKHAVEN SCIENCE
Radiation Damage Studies – High-Z Materials Tantalum 22 BROOKHAVEN SCIENCE
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 23 BROOKHAVEN SCIENCE
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