February 20, 2019 online meeting minutes: Difference between revisions

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1. Status of trigger changes for rg-b and future plans
1. Status of trigger changes for rg-b and future plans


* HTCC new version works, waiting on stage1 readout confirmation; if works will change all other stage1 readout the same way as HTCC/CTOF
* segment finder now sorting segment candidates keeping segment with biggest number of hits, it allows much more precise road finding
* new roads were generated using different methods (fast mc, data-based, gems-based) by Raffaella, Silvia and Yordanka) starting from 1GeV electrons, using it in rg-b
* geo match road-pcal cluster(U only) was implemented





Revision as of 10:17, 20 February 2019

present: Sergey, vpk, Ben, Nathan, Eugene


1. Status of trigger changes for rg-b and future plans

  • HTCC new version works, waiting on stage1 readout confirmation; if works will change all other stage1 readout the same way as HTCC/CTOF
  • segment finder now sorting segment candidates keeping segment with biggest number of hits, it allows much more precise road finding
  • new roads were generated using different methods (fast mc, data-based, gems-based) by Raffaella, Silvia and Yordanka) starting from 1GeV electrons, using it in rg-b
  • geo match road-pcal cluster(U only) was implemented


2. DAQ problems observed with 50kHz event rate run

  • DCRB 'Missing slots" error, Ben will look at possible problems
  • tdcftof* etc - "TI event longer then 7 words"
  • looks like problems were enforced by backend-induced dead time; suspect that buffer not large enough; in next downtime (or whenever appropriate) we'll try to reproduce it, probably mid April after rg-a, unless rg-a will go for high event rate