HES Meeting with Mike Spata

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HES Meeting with Mike Spata. Aug. 8, 2006 @ Tohoku University 1. Pre/Post chicane layout 2. Radiation budget, Local dump design 3. Diagnostic Instrumentation 4. Beam transport optics (raster, multiple scat.) 5. Vacuum chamber design. SNN 20060808. Troubles at E01-011. PS installation - PowerPoint PPT Presentation

Text of HES Meeting with Mike Spata

  • HES Meeting with Mike Spata Aug. 8, 2006 @ Tohoku University 1. Pre/Post chicane layout 2. Radiation budget, Local dump design3. Diagnostic Instrumentation 4. Beam transport optics (raster, multiple scat.) 5. Vacuum chamber designSNN 20060808

  • Troubles at E01-011PS installationCommunication between HKS Gr., Acc Gr, Hall C engineers, surveyors and Walters GroupMagnets Power Supplies (Water supply, instability of PS)FSD interlock (ion chamber?)Viewer rad. DamageVacuum problemBeam tuning procedure, beam punch through Viewer limit mode affects other halls

  • The New Splitter (Final)208 V x 957 A x 224 turns102 l/min (0.5MPa)GAP 190mm

  • Pre ChicaneNo DZ, EZ

  • Drawing of the HES + HKSHKSHESNew SPLThis part design is necessaryto finalize the HES position

  • How much distance?Any diag. tools?

  • Beam height

  • Bremsstrahlung background rates

  • Tilt Angle Optimization & Beam CurrentDue to higher primary beam momentum, we expect less e background Improve HKS K+ ID trigger

    Possibility to increase beam current100 mA option is possible?Radiation BudgetPhoton DumpTarget heat problem

  • PS, Water requirementHKSQ1 160Vx1000A (102Vx600A);50 l/min (0.6MPa)Q2 160Vx1000A (50Vx400A);17 l/min(0.4MPa)D 252V x 1254A (Mitsubishi); 135 l/min (0.4Ma) D-PS 73 l/min (0.9MPa)HESSPL 205x1020A (106 l/min,0.5MPa)Q1 110Vx880A (41 l/min,0.5MPa) Q2 110Vx880A (42 l/min,0.5MPa)HES D 233Vx1100A PS (from Japan) 150 l/min+70 l/min(PS)

    Design input 35 C (95 F) D 30 K (18F)

  • Schedule2006 AugIrons are dispatched to the companyFinal design of the coilsCut iron will be delivered by the end of 20062006 Aug 24-28 OsamuNue will visit JLabEarly 2007Assembly and field mapping Summer~Autumn 2007Shipping SPL+HES(QQD) to JLab