March 13, 2019 online meeting minutes: Difference between revisions

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* Ben and Valery will prepare trigger file(s)
* Ben and Valery will prepare trigger file(s)


* special trigger file will be prepared for running from Faraday Cap with beam blocker removed; beam will be 20min run 50nA, then several hours 10nA without prescale
* for RGA and also for current RGB, special trigger file will be prepared for running from Faraday Cap with beam blocker removed; beam will be 20min run 50nA with 2 or 4 rescale factor, then several hours 10nA without prescale





Revision as of 09:33, 13 March 2019

present: Sergey Boyarinov, Eugene Pasyuk, Stepan, Ben, Nathan, Raffaella, vpk


1. RG-A run preparations

  • RG-A starts March 19 or 20 with few hours switch time
  • target will be changed from D2 to H2, probably around midnight from 19 to 20 of March, plan will be discussed
  • no other configuration changes expected expect trigger
  • trigger for RGA: restore fall conditions: 3 triggers with FTCAL, HODO, CTOF; and probably add CND geometrically matched with CTOF
  • all fiber required connected already, or will be connected in next downtime before March 19, no other hardware changes are required
  • firmware change is required to central SSP only where CTOF and CND will be connected by fibers, Ben will change firmware and Andrea will prepare recommendations for CTOFxCND coincidence and decide later, initially CND will be in tagging mode
  • Ben and Valery will prepare trigger file(s)
  • for RGA and also for current RGB, special trigger file will be prepared for running from Faraday Cap with beam blocker removed; beam will be 20min run 50nA with 2 or 4 rescale factor, then several hours 10nA without prescale


2. HPS run work