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OLYMPUS TOF Status: Accomplishments and Future Plans for TOF Module Installation

Detailed overview of progress and challenges faced during the TOF modules installation at Inti Lehmann University of Glasgow in May 2011. Includes realignment observations, solutions for misalignments, and pending tasks to be completed.

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OLYMPUS TOF Status: Accomplishments and Future Plans for TOF Module Installation

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  1. Status of the TOFs Inti Lehmann University of Glasgow 27 June 2011

  2. Work done in May • All scintillators • detached • re-aligned • secured with new brackets • Short flasher fibres attached • Modules moved to Doris • Framing done • Subframes moved into main frame • All!? 34 TOF modules installed OLYMPUS TOF Status 27/06/2011

  3. May2011 OLYMPUS TOF Status 27/06/2011

  4. Misalignment realised • Observed effect • Chambers > TOF 17 • Gap from target • Huge mismatch: 10-25cm • TOF CAD • On-site (Michael) • Explanation • Unsynchronised changes in CAD • Solution • Move group 3 (modifying brackets, add. support) • Add TOFs #18 (add. cables, short by 1 in flasher) OLYMPUS TOF Status 27/06/2011

  5. Not beautiful but... OLYMPUS TOF Status 27/06/2011

  6. Status and to-do • 34 TOFs in place • 2 TOFs in preparation • Hardware to extend frames expected on Thu • 72 HV cables and 70 signal cables labelled • Require ordering more signal cables • Route cables to hut • 72 mu-metal shields ready • Mounting on top may prove difficult • 7 (possibly) loose PMTs • Re-attachment started • Flasher work • Light-coupler, electronics, route • Tests OLYMPUS TOF Status 27/06/2011

  7. OLYMPUS TOF Status 27/06/2011

  8. Mismatch OLYMPUS TOF Status 27/06/2011

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