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Advancements in Diagnostic Section Layouts BC1 & BC2: Engineering Insights from DESY Hamburg

This document outlines the new design criteria and engineering layout for the Diagnostic Sections BC1 and BC2 developed by Christopher Gerth, Michael Röhrs, and Holger Schlarb at DESY Hamburg in 2007. Following feedback from the BC review meeting in December 2006, key improvements include reducing complexity, adhering to budget constraints (one TDS per station), and optimizing module lengths. The layout now encompasses a new FODO lattice structure, enhancing the functionality of diagnostic operations while ensuring safety and efficiency.

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Advancements in Diagnostic Section Layouts BC1 & BC2: Engineering Insights from DESY Hamburg

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  1. Layout of the Diagnostic Sections BC1 & BC2 Christopher Gerth, Michael Röhrs, Holger Schlarb DESY Hamburg

  2. New Design 2007 New Design Criteria (feedback from BC review meeting Dec 2006): • Too complex, too long (K Floettmann, W Decking ) • Budget (R Brinkmann): 1 TDS per diagnostic station • LSC (M Dohlus): Significant contribution from warm sections • Girder/module length: ca. 6m (N Mildner, T Wohlenberg)

  3. FODO lattice 3.8 m 10 modules 7.6 m 5 modules Diagnostic Section Engineering layout (1) Old! BAM T1 CSR VK1 ABCM EOSD TDS-x TDS-y Alignment laser Lattice can be divided into modules: VK2 HK1 HK2 RES T2 Booster Linac SR 2.5m ABCM

  4. T1 T2 Diagnostic Section Engineering layout (3) Total length: 29.5m (44.5m) Quads (QC): 15 (22) New! 45 FODO lattice 60 FODO lattice 76 FODO lattice BAM CSR VK2 HK2 VK1 ABCM EOSD TDS-x Alignment laser 5.7 m RES Booster Linac SR 2.5m ABCM 5 modules!

  5. TDS-x TDS-x TDS-x TDS-x Diagnostic Section Engineering layout (1) Old! Dispersive Section Modulator Radiator 4.8 m ORS laser FODO lattice VK1 HK1 HK2 VK2 Main Linac 2.5m

  6. TDS-x TDS-x TDS-x Diagnostic Section Engineering layout (1) Total length: 64m (59.5m) Quads (QC): 18 (13) New! Dispersive Section Modulator Radiator 3.6 m ORS laser VK1 VK2 FODO lattice Main Linac 2.5m

  7. OTR Profile Monitor Sketch of BC1-Dumpmodule (C-Cu version)500MeV Courtesy of M Schmitz, MIN  2.7m 0.4m Concrete all around 8cm 5RM Cu Cu Cu 20cm 13.9x0 Window Graphite 120cm*1.7g/cm³/ 4.8x0 10cm  0.4m  NW63  1.2m 8cm 5RM Vacuum pumping 0.4m  1.4m 0.4m Cooling Water Temp. Sensor Cabling

  8. Diagnostic Dump BC1 Module stay clear

  9. Diagnostic Dump BC1 Courtesy of N Meiners, MEA • Restricted safety route • Restricted operation with full bunch trains due to activation (2 kW @ 1Hz) • Electronics may need local shielding

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