VPT Testing documents

Reports on VPT properties

• Draft paper on VPT ageing: Word document, or ps file.
• Performance of preproduction batch of 500 VPTs
• Short note on visual inspection of first 100 production VPTs
• Interim report on early tests of production VPTs
• Report on performance of VPTs 1-3200
• Report on performance of VPTs 1-5900
• Report on performance of VPTs 1-7900
• Report on performance of VPTs 1-8600
• Report on performance of VPTs 1-10400
• Report on performance of VPTs 1-11600
• Observation of noise in VPTs 1-3200
  • Addendum to Observation of noise in VPTs 1-3200 giving extra details
• Analysis of noisy VPTs 1501-5000
• Analysis of noisy VPTs 3501-5000
• Analysis of noisy VPTs 6901-7900
• Analysis of noisy VPTs 1501-7900
• Analysis of noisy VPTs 1501-8600 (revised 9 November 2004)
• Analysis of noisy VPTs 1501-10000
• Analysis of noisy VPTs 501-11600
• Note concerning VPTs with misaligned anode grids (23 December 2004)

Presentations

• Report on VPT testing status presented at EE Jamboree, CERN, 31 Mar-2 Apr 2003
• Vacuum Phototriodes for the CMS Electromagnetic Calorimeter Endcaps - Talk at IEEE-NSS conference, Portland, Oregon, 19-25 October 2003
  • Powerpoint version of transparencies
  • PDF copy of submission to the Conference Record
  • Final version of  paper submitted to IEEE Transactions in Nuclear Science
• Presentation at VPT10k meeting, RIE, 26 April 2005
• Report on VPT testing status presented at ECAL Detector Performance Group meeting, CERN, 26 Apr 2006

VPT 1.8T test rig at RAL

• Risk assessment for the 1.8T VPT test rig

Data

• Latest histogram of yield measurements (13000 VPTs)  (Postscript)
• Excel sheet summarising VPT passport data
• PAW Ntuple containing summary of test rig measurements

Pictures

• "Chessboard" picture showing a selection of EE VPTs.

Bruce Kennedy 01/08/06