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Status of the TOFs

Status of the TOFs. Inti Lehmann University of Glasgow 27 June 2011. Work done in May. All scintillators detached re - aligned secured with new brackets Short flasher fibres attached M odules moved to Doris F raming done S ubframes moved into main frame

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Status of the TOFs

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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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