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PEP-II Hardware

PEP-II Hardware. Michael Sullivan and John Seeman SLAC National Accelerator Laboratory. HER. LER. Super-B Arc cells layout. M. Biagini. Cell #1. Cell #1. Cell #2. Cell #2. Super-B Layout with Polarization Jan 2008 (Wienands). Total length 1800 m. 20 m. 280 m.

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PEP-II Hardware

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  1. PEP-II Hardware Michael Sullivan and John Seeman SLAC National Accelerator Laboratory Super-B Orsay Meeting

  2. HER LER Super-B Arc cells layout M. Biagini Cell #1 Cell #1 Cell #2 Cell #2 Super-B Orsay Meeting

  3. Super-B Layout with Polarization Jan 2008 (Wienands) Super-B Orsay Meeting

  4. Total length 1800 m 20 m 280 m Lattice layout, PEP-II magnets reuse Dipoles Available Needed Quads Sexts All PEP-II magnets are reused. Dimensions and fields are properly sized. Super-B Orsay Meeting

  5. Super-B components requested by INFN from SLAC(June 2008) • A) North and South Damping ring components and injection/extraction lines • B) Linac accelerator RF distribution waveguide (~72) • C) Linac accelerating 3 m sections (~72) • D) Linac klystrons (~36) • E) Linac klystron modulators (~36) • F) Linac QA and QB quadrupoles (23+13) • G) Linac dipole correctors (~40) • H) Linac polarized gun system & associated three spin rotators with cryo-systems (~1+3) • I) Linac e+ target and capture area (~1+spares) • J) LER and HER dipoles and quadrupoles (~1022) • K) Dipole steering correctors (~836) • L) Magnet mechanical supports (~1000) • M) Vacuum chambers (~~650) • N) RF stations (complete) (~15) • O) Feedback systems (~4) • P) Diagnostics (~120) • Q) Injection hardware (LER and HER) • R) Temperature monitors (~2000) • S) Power supplies (~800) Super-B Orsay Meeting

  6. Other Requests of PEP-II Components • LCLS at SLAC: • Loss monitors • SPEAR-3 at SLAC; • Bergos BPM electronics • Project-X at FNAL: • 100 HER dipoles and vacuum chambers • Some quadrupoles • 12 GeV energy upgrade at JLAB: • “A dozen” quadrupoles • BEPC-II at IHEP: • Two longitudinal feedback kickers • CesrTA at Cornell: • Electron cloud dipole chicane and chambers Super-B Orsay Meeting

  7. Priorities as set by the US DOE Office of Science • Presently operating or soon to be operating US accelerators. • LCLS, CesrTA • Future US domestic accelerators. • LCLS II, LCLS III, Project-X, PEP-X, JLAB energy upgrade • Future US contributions to international accelerator programs. • Super-B, BEPC-II • Other international accelerator programs. • X-FEL • Dismantlement and disposal Super-B Orsay Meeting

  8. SLAC Response to Super-B Components of INFN Request (September 2008) • A) North and South Damping ring components and injection/extraction lines FACET • B) Linac accelerator RF distribution waveguide (~72)  PEP-X • C) Linac accelerating 3 m sections (~72) PEP-X • D) Linac klystrons (~36)  PEP-X • E) Linac klystron modulators (~36)  PEP-X • F) Linac QA and QB quadrupoles (23+13)  PEP-X • G) Linac dipole correctors (~40)  PEP-X • H) Linac polarized gun system & associated three spin rotators with cryo-systems (~1+3)  Super-B • I) Linac e+ target and capture area (~1+spares)  Super-B • J) LER and HER dipoles and quadrupoles (~1022)  Super-B and Project-X • K) Dipole steering correctors (~836)  Super-B • L) Magnet mechanical supports (~1000)  Super-B and Project-X • M) Vacuum chambers (~~650)  Super-B • N) RF stations (complete) (~15)  Super-B and PEP-X • O) Feedback systems (~4)  Super-B and BEPC-II • P) Diagnostics (~120)  Super-B, LCLS, SPEAR-3 • Q) Injection hardware (LER and HER)  Super-B • R) Temperature monitors (~2000)  Super-B • S) Power supplies (~800)  Super-B and some SLAC spares Super-B Orsay Meeting

  9. Near term actions • Cost estimation: • removal of components from the PEP-II tunnel. • packaging the components into shipping containers (steel shipping boxes) • transportation costs to Italy • Storage costs in Italy • Two to four Italian engineers are coming to SLAC in late February (week of Feb 23) to discuss the task and shipping arrangements. • DOE formal review of PEP-II Minimum Maintenance state (MMS) and Disposal and Dispersal (D&D) March 23-24, 2009 at SLAC. Super-B Orsay Meeting

  10. PEP-II Hardware Conclusions • The present Super-B design uses many of the PEP-II components. • By weight and numbers, most of the Super-B requests can be fulfilled if the project goes ahead. • If other projects do not go ahead, then Super-B could get additional components, primarily injection components. • Engineers are studying removal, shipping, planning and costing. • DOE review of PEP-II MMS and D&D in late March 2009. Super-B Orsay Meeting

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