Status of the TOFs

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

description

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 - PowerPoint PPT Presentation

Transcript of Status of the TOFs

Page 1: Status of the  TOFs

Inti LehmannUniversity of Glasgow

27 June 2011

Status of the TOFs

Page 2: Status of the  TOFs

OLYMPUS TOF Status 27/06/2011 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

Inti Lehmann

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Inti Lehmann OLYMPUS TOF Status 27/06/2011 3

May 2011

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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) Inti Lehmann

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OLYMPUS TOF Status 27/06/2011 5

Not beautiful but...

Inti Lehmann

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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

• TestsInti Lehmann

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OLYMPUS TOF Status 27/06/2011 7Inti Lehmann

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OLYMPUS TOF Status 27/06/2011 8

• Mismatch

Inti Lehmann