Difference between revisions of "TDIS Bi-monthly meeting, 2020 February 11"

From Hall A Wiki
Jump to: navigation, search
(Minutes)
 
(One intermediate revision by the same user not shown)
Line 1: Line 1:
 
Back to [[Tagged DIS run group]] >> [[Tagged_DIS_run_group#Bi-monthly TDIS meetings|Bi-monthly TDIS meetings]]
 
Back to [[Tagged DIS run group]] >> [[Tagged_DIS_run_group#Bi-monthly TDIS meetings|Bi-monthly TDIS meetings]]
  
[[TDIS Bi-monthly meeting, 2020 January 14 |previous meeting]]  <<  >> [[TDIS Bi-monthly meeting, 2019 February 25 |following meeting]]
+
[[TDIS Bi-monthly meeting, 2020 January 14 |previous meeting]]  <<  >> [[TDIS Bi-monthly meeting, 2020 February 25 |following meeting]]
  
 
==Agenda==
 
==Agenda==
Line 22: Line 22:
 
**Arun/Steve: been busy (with Hall C activities) but will be able to resume shortly;  
 
**Arun/Steve: been busy (with Hall C activities) but will be able to resume shortly;  
 
**Rachel: will wrap around conical chamber wall study + will focus on estimate trigger/electron rates;
 
**Rachel: will wrap around conical chamber wall study + will focus on estimate trigger/electron rates;
 
 
Discussions will be made offline about when G4 simulations, digitization and tracking will need to come together.
 
Discussions will be made offline about when G4 simulations, digitization and tracking will need to come together.
  
Line 30: Line 29:
 
**Ed: Progress (see document) currently at step (C); will probably use SAMPA in non-continuous mode (triggering);
 
**Ed: Progress (see document) currently at step (C); will probably use SAMPA in non-continuous mode (triggering);
 
**Marco: Infos about newer chip: shaping time can be configured to 80 or 160 ns;  
 
**Marco: Infos about newer chip: shaping time can be configured to 80 or 160 ns;  
 
 
Discussions about triggering mode: trigger rates are (roughly) estimated about 20kHz which for the SAMPA chip is low; number of samples recorded after trigger is programmable.
 
Discussions about triggering mode: trigger rates are (roughly) estimated about 20kHz which for the SAMPA chip is low; number of samples recorded after trigger is programmable.
  
 
*mTPC prototype (Nilanga): will be delayed + will need input from simulation team (number of pads, conical wall, etc);
 
*mTPC prototype (Nilanga): will be delayed + will need input from simulation team (number of pads, conical wall, etc);
  
*LAC (Dipangkar): there was a leak in the LAC (a light leak I assume);
+
*LAC (Dipangkar): there was a leak in the LAC (a light leak I assume); Students are available to test it, but Simona will need to train them (which she might be able to do soon).
 +
 
 +
*RICH (Eric F.): nothing new; will need to dig up pion rejection rates for LAC and evaluate RICH performance requirements (which will determine the necessity to use a light gas and extend the RICH snout or to use a heavier gas);
 +
 
 +
Closing remarks:
 +
*Dedicated TDIS meeting (one big afternoon on March 19th) before SBS meeting in March (20th-21st) - overlap iwth EIC meeting which is unfortunate.
 +
*Newcomer: Jan Bernauer (assistant prof at SBU): interested in joining TDIS, and particularly streaming readout, analysis (pending on obtaining research grant).
  
 
==Organizational details==
 
==Organizational details==

Latest revision as of 10:01, 9 March 2020

Back to Tagged DIS run group >> Bi-monthly TDIS meetings

previous meeting << >> following meeting

Agenda

Thia kindly requested status/updates on:

  • simulations - Rachel, Carlos
  • tracking - Steve, Arun
  • target - Dipangkar
  • GEM/streaming DAQ - Ed, Eric P.
  • mTPC - Nilanga, Kondo
  • LAC refurbishment - Dipangkar, Simona
  • SAMPA chips - Sao Paulo, want to give an update?
  • Cerenkov modifications - Andrew, Eric F. any news/thoughts?

Minutes

Attendees: Bogdan, Dipangkar, Jan Bernauer (Welcome), Marco B. Nilanga, Paul, Steve, Thia, Arun, Carlos, Ed, Eric F.

  • Simulations updates/discussion:
    • Carlos: g4sbs part about mTPC will be reorgainzed; almost has all the interesting background processes (some been provided as structure functions only, not cross sections), now need to include them in g4sbs;
    • Arun/Steve: been busy (with Hall C activities) but will be able to resume shortly;
    • Rachel: will wrap around conical chamber wall study + will focus on estimate trigger/electron rates;

Discussions will be made offline about when G4 simulations, digitization and tracking will need to come together.

  • Target (Dipangkar): Target bust at 80 psi absolute = ~5.5atm (NB: we want to run at 4 atm~60psi), /but/ there was a flaw in the gluing of the target tube to one flange, which is where the target busted; will try again with flawless gluing + will test lower pressure values before testing 80 psi.
  • Electronics updates/discussions:
    • Ed: Progress (see document) currently at step (C); will probably use SAMPA in non-continuous mode (triggering);
    • Marco: Infos about newer chip: shaping time can be configured to 80 or 160 ns;

Discussions about triggering mode: trigger rates are (roughly) estimated about 20kHz which for the SAMPA chip is low; number of samples recorded after trigger is programmable.

  • mTPC prototype (Nilanga): will be delayed + will need input from simulation team (number of pads, conical wall, etc);
  • LAC (Dipangkar): there was a leak in the LAC (a light leak I assume); Students are available to test it, but Simona will need to train them (which she might be able to do soon).
  • RICH (Eric F.): nothing new; will need to dig up pion rejection rates for LAC and evaluate RICH performance requirements (which will determine the necessity to use a light gas and extend the RICH snout or to use a heavier gas);

Closing remarks:

  • Dedicated TDIS meeting (one big afternoon on March 19th) before SBS meeting in March (20th-21st) - overlap iwth EIC meeting which is unfortunate.
  • Newcomer: Jan Bernauer (assistant prof at SBU): interested in joining TDIS, and particularly streaming readout, analysis (pending on obtaining research grant).

Organizational details

11:00 AM, JLab meeting room: TED 2561A
To join the Meeting:
https://bluejeans.com/550335940
To join via Room System:
Video Conferencing System: bjn.vc -or-199.48.152.152
Meeting ID : 550335940
To join via phone :
  1. Dial:
    +1.408.740.7256 (United States)
    +1.888.240.2560 (US Toll Free)
    +1.408.317.9253 (Alternate number)
    (see all numbers - http://bluejeans.com/numbers)
  2. Enter Conference ID : 550335940