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Upcoming Dates Accumulator Ring:

Upcoming Dates Accumulator Ring:. Estimate to Complete (ETC) January DOE Review May 2003 Extraction magnets ordered Design complete July 2003 Six More ½ cells delivered? First doublet cell assembled? (Magnet Matching) RF Cavities delivered Injection area assembly BNL

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Upcoming Dates Accumulator Ring:

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  1. Upcoming Dates Accumulator Ring: • Estimate to Complete (ETC) January • DOE Review May 2003 • Extraction magnets ordered • Design complete July 2003 • Six More ½ cells delivered? • First doublet cell assembled? • (Magnet Matching) • RF Cavities delivered • Injection area assembly BNL • Project Office Visit January 2003 • PAC May 2003

  2. PAC’03 BNL/SNS (Ring and Transport System) Abstracts (Dec. 2002) • Spallation Neutron Source Ring -- Status, Challenges, Issues, and Perspectives (invited) J. Wei • Electron Cloud Effects in Present and Future High Intensity Hadron Machines (invited) M. Blaskiewicz • Resonances and Beam Loss in High Intensity Rings (invited) A. Fedotov • Electron-Cloud Mitigation in the Spallation Neutron Source Ring J. Wei, M. Blaskiewicz, J. Brodowski, P. Cameron, D. Davino, A. Fedotov, P. He, H. Hseuh, Y.Y. Lee, W. Meng, D. Raparia, J. Tuozzolo, S.Y. Zhang, V. Danilov, S. Henderson, M. Furman, M. Pivi, R. Macek • Application of Envelope Instability to Circular Machines: A. Fedotov, R. Gluckstern, I. Hofmann, H. Okamoto.  • Compensation of Nonlinear Resonances in the Presence of Space Charge for the SNS Ring: A. Fedotov, G. Parzen • Effects of Nonlinearities on Transverse Microwave Instability in the Presence of Space Charge: A. Fedotov, M. Blaskiewicz, V. Danilov, J. Wei • Beam Dumps Optics for Spallation Neutron Source: D.Raparia, Y.Y. Lee, J. Wei, S. Henderson • SNS Ring and Transport System Installation Quality Assurance Issues: S. Tepikian, R. Anderson, D. Hseuh, J. Jackson, A. Jain, F. Karl, M. Hemmer, W. McGahern, Y. Y. Lee, D. Raparia, R. Savage, J. Tuozzolo, P. Wanderer, J. Wei • Final Test Results For The SNS Ring Dipoles: P. Wanderer, J. Jackson, A. Jain, Y.-Y. Lee, W. Meng, D. Raparia, S. Tepikian, N. Tsoupas, J. Wei • A Large Aperture Narrow Quadrupole with Low Allowed Harmonics <2x10-4 at 85% Radius N. Tsoupas, J. Brodowski, Y.Y. Lee, D. Raparia, J. Wei • SNS Extraction Lambertson Septum Magnet: J. Rank, D. Raparia, N. Tsoupas • Towards the UAL Open Source Project: N.Malitsky, R.Talman, M.Blaskiewicz, A. Luccio, T. Satogata, J. Wei • Application of the UAL Simulation Environment to Diagnostics Studies: N. Malitsky, P. Cameron, A. Fedotov • A Fast Configurable UAL-Based Modeling Engine for Online Accelerator Studies: N. Malitsky, T. Satogata, R. Talman • Beam scrubbing strategy for electron-cloud suppression in the SNS Ring: S. Y. Zang et al • Coupling impedance measurements of the SNS RF cavity:H. Hahn, J.M. Brennan, M. M. Blasciewicz, D. Davino, and A. Zaltsman • Beam Base alignment: Talman et al • Corrector magnet design: N. Tsoupas et al • Update of Ring RF system: A. Zaltsman et al

  3. Integration of the beam scraper and primary collimator in the SNS Ring: H. Ludewig, et al. • Study of collimator system response to hypothetical accident scenario's in the SNS Ring and transfer lines: N. Simos, et al. • Beam Current Monitor Calibrator for the Spallation Neutron Source: M. Kesselman, C. Dawson • Beam Position Monitor for the Spallation Neutron Source: M. Kesselman, P. Cameron, C. Dawson • Spallation Neutron Source Beam Loss Monitor System: D. GASSNER, P. CAMERON, C. MI • Design and Testing of the New Ion Chamber Loss Monitor for SNS: R. L. Witkover and D. Gassner, • SNS Ring Diagnostics Overview - Cameron et al • Transverse Profile Measurements in the SNS Ring - Connolly et al • Designing and Implementing an Accelerator Power Supply System in a Multi-Laboratory Context : R.F. Lambiase, J. Sandberg • Mechanical design of a ferrite based injection kicker for SNS accumulator ring:Pai, Chien-Ih • Mechanical design of fast extraction kicker and PFN for SNS accumulator ring:Pai, Chien-Ih • Design and Manufacturing of the Moveable Collimator System for the SNS Accumulator Ring: John Brodowski et al • Design and Manufacturing of Magnets for the SNS Accumulator Ring",  J.Tuozzolo, et al • Outgassing and Surface Property of TiN Coated SNS Ring Vacuum Chambers:P. He, H.C. Hseuh, R. Todd,BNL, N. Hilleret, • Pressure Distribution Simulation for SNS Ring Vacuum Systems :P. He, H.C. Hseuh • Building a family of corrector magnets for SNS facility: S. V. Badea, J Alduino, N. Tsoupas, J. Tuozzolo • Design, Development, and Construction of SNS Extraction Fast Kicker System : W. Zhang, J. Sandberg, R. Lambiase, Y.Y. Lee, R. Lockey, J. Mi, T. Nehring, C. Pai, N. Tsoupas, J. Tuozzolo, D. Warburton, J. Wei, K. Rust, and R. Cutler • Survey & Alignment Data Management for Particle Accelerators: F.M. Hemmer, F.X. Karl • Diamond foil test: Shaw et al • SNS Ring Controls Update: L. Hoff et al

  4. Collimators • Friday 11:00 Weekly Meeting in the EAG Conference Room • HEBT Collimator lifting fixture design stress calculation/lifting rig complete. • HEBT ECN complete • Procurement STATUS – Weekly Phone Conference • HEBT Collimator Beam Line Stand and Shield Design Complete • HEBT Stripper Design #1 Complete - #2 in process. • HEBT Momentum Collimator – Installation/Shielding layout. • Ring Primary Collimator base and shielding design. • Ring Moveable Scraper – Installation Layout. • Moveable Shield Procurement on hold fy 2003

  5. HEBT Magnets and Beamline HEBT Dipole – Invoices?? • All magnets delivered to ORNL HEBT 12Q45 Quadrupole/16CD20 Corrector Requisition – Invoices?? • All magnets delivered to ORNL HEBT/RTBT 27CD30 Corrector • NETC – STATUS HEBT/RTBT 21Q40 Quadrupole • Phase II Magnets to be shipped to BNL for measurement. • Magnet Sled and Stand Design Done • RFQ to Shops

  6. Ring Magnets • 902 ½ Cell Assembly Area • Video Conference with ORNL - water manifold • Production schedule for #2, 3, 4 – survey, magnet measurement. • Lifting fixture testing • 17D120 • ITF quality testing complete – 32 magnets measured and accepted. • Flip coils for pairing. • 21Q40 Quadrupole – 23/29 in house (production measurement #3) • Water fitting repair status • Next up for production measurement after fittings are repaired. • 26Q Quadrupole Requisition • Measurements Complete. ECN’s Comp – Production Schedule. • Vendor Visit – Dimensional inspection Reports

  7. Ring Magnets • 30Q Quadrupole Requisition • Drawing ECN’s complete. • BINP Production Schedule • 21S26 High Field Sextupole • Vendor Visit – PHOTOS • Shipping Date for 1st article • 26S26 High Field Sextupole • Purchase Order • 27CDM30 Corrector (production measurement #2) • All Magnets in house • Production Measurement – all magnets until quadrupoles are ready,

  8. Ring Magnets • 21CO26 Corrector (production measurement #4) – All 9 in house • Ready for production measurement • 21CS26 Corrector(production measurement #1) – ALL 9 in house • Production Measurement complete. • 41CDM26 Corrector • Magnet Measurement Complete - Approved for Production • Vendor Visit • Updated and real production schedule. • 36CDM26 Corrector • 1st article delivered September 13, 2002 • Failed Hi-Pot • Returned to Vendor – Shipped??

  9. Special Injection Magnets – Injection Meeting 11/22/02 Injection Vacuum Chambers • All drawings except #2 magnet chamber ready for checking in two weeks. • Flanges were added for Electron monitors, e absorber window, and electrode. • W. Birkholz to get shop fabrication estimates for chambers with preliminary drawings. • M. Mapes/D. Hseuh have EVAC flanges and clamps Injection Lattice Check • M. Hemmer to obtain layout from L. Russo and compare beam trajectory. • M. Hemmer/L. Russo – the same drill for Injection magnet locations. Injection Septum Magnet - When testing complete – move to magnet measurements in 902. Injection Dump Septum Magnet and Chicane Magnets #2, #3 • NETC Contract – W. Birkholz to check status and delivery, PCR for spare inj. dump magnet. Injection Magnet #1 Drawings to Checking in two weeks.Done Thin Foil Mechanism – D. Gasner motor control design. Thick (Injection Dump) foil design status – in the checking que. Injection Magnet #4 – On the magnet measurement stand. Done – Z Bumps Defined Magnet Stands – W. Birkholz to check fabrication status and order balance of stands. Done Injection Kicker Magnets 1st articles ready for testing – Coated Ceramic Chamber • Ferrite Order Status, Ceramic Chamber Order Status, RFQ to Shops

  10. Special Extraction And RTBT Magnets Extraction Kicker Magnets • Design Status – Drawings in Checking Que Lambertson Magnet • Design Status • Design Changed – Magnet shortened to reduce fringe field. RTBT Magnets and Line – Order Vacuum Components 36Q85 • Raynor fabrication of Magnet Cores – First three in house. • Setting up to wind first production coil. • Coil Material Delivered

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