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Upgrading Accelerator Performance: Task Force Coordination and Measurement Requirements

This document outlines the formation of a working group to enhance accelerator performance through defined tasks, coordination of activities, and comprehensive evaluations. Key aspects include proposing optimum upgrade scenarios, establishing functionality requirements, and preparing implementation roadmaps. The working group will assess existing instrumentation, define specifications for beam size, position, losses, tune, and current, and prioritize upgrades like wirescanners and fast beam loss monitors. Follow-up tasks include specification agreement, deadline establishment, and assignment of responsibilities for the upgrade project.

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Upgrading Accelerator Performance: Task Force Coordination and Measurement Requirements

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  1. LIU-SPS: BI review Introduction

  2. LIU-SPS Constitute a working group with a core team, define the work, coordinate activities Evaluate/Confirm the actual maximum performance of the accelerator Propose the optimum scenario for the accelerator upgrade - imply forming task forces when needed to study specific subjects Prepare WP (M+P), establish roadmap – EVM Follow the procurement, tests and implementation of the changes Prepare and commission the upgraded accelerator

  3. Aims • Review requests and possibilities • Agree on main functional requirements where possible • Define detailed follow up • Further study/discussions • Specifications • Deadlines • Responsibles

  4. Beam instrumentation topics • Already discussed and first draft of “requirements” document circulated, and available on LIU EDMS site (!)

  5. Requirements – beam size • Wirescanners (high priority) • Individual bunch gating • Two reliable measurements per WS per cycle (IN and OUT) • Two WS per plane operational to make cross checks • Define limits (intensity, emittance) of present systems • Some display upgrades (add SC number, beam intensity, ...) • Deployment of IN/OUT correction algorithm • Calibration between PS, TT2/10, SPS, TI2/8 and LHC measurements • BGI monitor • Make available for MD • Continuous beam size measurement through cycle with bunch gating • Data logging • BSRT • Check status and investigate prospects for transverse BQM

  6. Requirements – beam position • MOPOS • Check coherency of proposed upgrade and include LIU requirements (parameter range) • For optics measurements • Investigate increasing Q kicker strength above 100 GeV • Investigate AC dipole for SPS • Improve global setting of delays • LHC BPMs • Connect all 3 monitors • Improve data logging • Investigate acquiring 2e5 [turns * bunches]

  7. Requirements – beam losses • Ionisation chamber BLMs • Upgrade readout and SW to 40 us time bins (like LHC) • Add capture property, for e.g. injection and on demand • Fast (diamond) BLMs • Add fast BLMs at key locations • Easy readout and data logging • Define locations and total number

  8. Requirements – tune • Continuous Q and BBQ • Gating on single bunches • Profit from LHC developments

  9. Requirements – beam current • FBCT • Provide intensity measurement over first 1000 turns • Investigate problem of limited bandwidth • Cross calibration with PS and TL monitors • Solve issues seen with different bunch spacing • Improve logging and data retrieval

  10. Requirements – injection matching • Injection matching monitor • Provide operational injection matching monitor using segmented PMs • Details of specifications to agree

  11. Requirements – Schottky • Schottky monitor • Any prospects for long/transverse Schottky data in SPS

  12. Requirements – Headtail monitor • Headtail monitor • Provide reliable data in H and V (simultaneously?)

  13. Summary for follow-up

  14. Assumed planning

  15. Follow-up • Specifications • Wirescanners: spec needed? • MOPOS: update of present draft CONS spec • Ionisation BLMs: new functional spec. • Fast BLMs: new functional spec. • FBCT: new functional spec (needed?) • Injection matching monitor: functional spec. • BGI: new functional spec (needed?) • BSRT: new functional spec • Deadlines • Agree on implementation timescales – include in specs • Names • Responsibles for each specification...BI/machine

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