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Analysis Tasks » History » Version 142

Vijay Kumar, 01/17/2022 10:22 AM

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h1. Analysis Tasks
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| *Fall 2018/Spring 2019 Run* | %{background:lightgreen}Completed% |
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| *Calibrations* | %{background:lightgreen}Completed% |
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| *Efficiencies and offsets* | %{background:yellow}Ongoing% |
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| *First iteration of cross section* | %{background:orange}On deck% |
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| *Fine tuning cross section iteration* | %{background:red}To Do% |
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| *Form factor extraction* | %{background:red}To Do% |
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This is a summary page with the progress of the KaonLT experiment. Above is a quick outline of our current progress. Below are tasks assigned to members of the group. Anyone who is part of the group may contribute to a task with suggestions and/or updates on progress. Please contact the assignee on a task-by-task basis for any queries. Anyone with general questions can contact Richard Trotta (trotta@cua.edu).
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h2. +Ongoing+
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**%{background:cyan}Complete all by Early August 2022%**
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h3. "Efficiencies":https://redmine.jlab.org/issues/511 _%{background:yellow}Mid-March 2022%_
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* *"Tracking":https://redmine.jlab.org/issues/512*
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* *"Trigger":https://redmine.jlab.org/issues/513*
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* *"PID":https://redmine.jlab.org/issues/514*
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** "HMS cer":https://redmine.jlab.org/issues/517
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** "HMS cal":https://redmine.jlab.org/issues/518
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** "SHMS aero":https://redmine.jlab.org/issues/519
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** "SHMS cer":https://redmine.jlab.org/issues/520
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** "SHMS cal":https://redmine.jlab.org/issues/521
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* *"CPU LT":https://redmine.jlab.org/issues/515*
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* *"Electronic LT":https://redmine.jlab.org/issues/515*
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* *"COIN time":https://redmine.jlab.org/issues/516*
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* *"Missing Mass":https://redmine.jlab.org/issues/516*
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h3. "EDTM":https://redmine.jlab.org/issues/557 _%{background:yellow}Mid-March 2022%_
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* Richard
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* Jacob and Richard have looked into this with various log entries..
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** "EDTM Study #1":https://logbooks.jlab.org/entry/3956405
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** "EDTM Run Plan (21/12/01) Analysis":https://logbooks.jlab.org/entry/3956686
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** "Rare Bug in Prescale GUI":https://logbooks.jlab.org/entry/3956696
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** "EDTM, TLT, and Lumi Scan Update":https://logbooks.jlab.org/entry/3966821 
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** "EDTM Study #2":https://logbooks.jlab.org/entry/3969498
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* "Dave Mack Studies":https://hallcweb.jlab.org/DocDB/0010/001063/002/Combinatorics%20in%20Estimating%20the%20Hodo%203of4%20Trigger%20Livetimev2.pdf
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h3. "Luminosity":https://redmine.jlab.org/issues/558 _%{background:yellow}Mid-March 2022%_
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* Richard, Ali
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** LH2 boiling tests
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** PID track studies
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** PID calibration is good besides the HODO (need pionLT)
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** Vijay has done some coin time studies which will be helpful
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** Richard has analyzed most of the carbon data but need to update scripts with pionLT fixes to TLT and tracking
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h3. "Elastics ":https://redmine.jlab.org/issues/561 _*%{background:yellow}Early May 2022%*_
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* Richard, 10.6 data _*%{background:yellow}TODO%*_
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* Ali, 8.2/6.2 data _*%{background:yellow}TODO%*_
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* Vijay, 3.9/4.9 KaonLT data and 2.7/3.6/4.5 PionLT data _*%{background:yellow}TODO%*_
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* *"singles":https://redmine.jlab.org/issues/562*
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** Initial Heepcheck offset fitting to get corrected E, E', theta'.
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** 3.9 GeV, 5 settings _*%{background:lightgreen}Done%*_  
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** 4.9 GeV, 4 settings _*%{background:lightgreen}Done%*_  
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** 2.7 GeV, 3 settings _*%{background:lightgreen}Done%*_
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** I think, 3.6 and 4.5 do not have singles data. I'll double check it. 
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* *"coin":https://redmine.jlab.org/issues/563* 
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** Initial Heepcheck offset fitting to get corrected E, E', theta'.
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** 3.9 GeV _*%{background:lightgreen}Done%*_  
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** 4.9 GeV _*%{background:lightgreen}Done%*_  
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** 3.6 GeV _*%{background:yellow}In-progress%*_  
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** I think, 2.7 and 4.5 GeV do not coin data. I'll double check it.  
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h3. "Check stability of cointime peak":https://redmine.jlab.org/issues/560 _%{background:yellow}???%_
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* Vijay
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** A previous study has been done by Vijay, need more info
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* In Fpi-2 it drifted with TDC temperature and needed to be adjusted on a run-by-run basis to within 200 ps.
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* Initial checks so far indicate the peak is stable. Cointime resolution will be poorer in fall 2018 run due to DAQ cabling issue. Mark has partial software fix that we need to be sure is implemented.
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h3. "SHMS and HMS Optics Improvements":https://redmine.jlab.org/issues/559 _%{background:yellow}???%_
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* Mark Jones
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* "SHMS":https://hallcweb.jlab.org/DocDB/0010/001044/006/Update%20to%20Optics%20Cuts%20April%202020.pdf
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* HMS, unsure
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h2. +On deck+ 
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**%{background:cyan}Complete by Early September 2022%**
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h3. "Heepcheck offsets":https://redmine.jlab.org/issues/564 _%{background:orange}Early August 2022%_
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* ???
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* Check that Heepcheck offsets produce consistent p(e,e'K+)L, p(e,e'pi+)n p(e,e'p)omega missing masses.
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h3. "Initial ep elastic cross-section checks":https://redmine.jlab.org/issues/565 _%{background:orange}Early August 2021%_
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* Richard/Ali/Vijay
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*  Singles cross-sections, HMS and SHMS. SHMS delta scans (only peak position checked so far, stability of normalized yield ratio not yet checked). Coin ep cross-sections.
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* In Fpi-2, determing the correct proton absorption correction for normalized required some literature review and other digging.
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h2. +Replays+
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h3. "FULL REPLAY 1":https://redmine.jlab.org/issues/567 of data, with new calibrations **%{background:lightgreen}Done%**
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* This replay should include all new kinematic offsets, better timing and PID calibrations, as well as Mark's most recent HMS and SHMS matrix elements.
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* Quality control rechecks with new replay:
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** carbon luminosity scans are flat vs. current and rate
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** LH2 luminosity scans are flat vs. current and rate
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* HMS saturation corrections?
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* Final investigation of SHMS acceptance, optimize acceptance cuts based on sieve-slit run analysis, agreement with single-arm MC. 
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** Compare data and simulation plots of SHMS yfp,ypfp for various ytar,delta bins to identify inconsistencies.
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* Trigger blocking studies.
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** Are extra factors needed to correct for missing FADC reference times, or any other DAQ related effects?  Initial info from Peter Bosted indicates this is likely to be the case.
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* Recheck Heep singles and coin yields to identify and fix problems.
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* Stability checks.  Need some scripts to look at invariant mass vs run number, etc., for pi+/K+/p channels.
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h3. "FULL REPLAY 2":https://redmine.jlab.org/issues/652 of data, Post-PionLT with updated scripts _%{background:orange}Early January 2022%_
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* This replay should include all new kinematic offsets, better timing and PID calibrations, as well as Mark's most recent HMS and SHMS matrix elements.
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* Quality control rechecks with new replay:
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** carbon luminosity scans are flat vs. current and rate
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** LH2 luminosity scans are flat vs. current and rate
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* HMS saturation corrections?
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* Final investigation of SHMS acceptance, optimize acceptance cuts based on sieve-slit run analysis, agreement with single-arm MC. 
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** Compare data and simulation plots of SHMS yfp,ypfp for various ytar,delta bins to identify inconsistencies.
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* Trigger blocking studies.
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** Are extra factors needed to correct for missing FADC reference times, or any other DAQ related effects?  Initial info from Peter Bosted indicates this is likely to be the case.
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* Recheck Heep singles and coin yields to identify and fix problems.
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* Stability checks.  Need some scripts to look at invariant mass vs run number, etc., for pi+/K+/p channels.
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h3. "FULL REPLAY 3":https://redmine.jlab.org/issues/568 of data, with improved optics and corrections _%{background:orange}Early June 2022%_
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* SECOND LEVEL ANALYSIS TASKS with REPLAY 3 ntuples:
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** Final SHMS optic matrix element and acceptance determination.
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** Final HMS optics check.
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** Final Heepcheck offsets.
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** Better detector efficiency determination.
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** First check of Bill's L/T separation code.
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h3. "FULL REPLAY 4":https://redmine.jlab.org/issues/569 of data, with final calibrations and offsets _%{background:orange}Mid-August 2022%_
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* THIRD LEVEL ANALYSIS TASKS with REPLAY 4 ntuples:
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** Final ep elastic cross-section checks.
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** Look at data in depth, and resolve outstanding problems.
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** First SIMC ntuple generation using new offsets.
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** Detailed Data/SIMC comparisons for HMS and SHMS focal plane and target reconstructed quantities, as well as W, Q^2, t, phi.
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** Preliminary L/T separation results.
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h3. "FULL REPLAY 5":https://redmine.jlab.org/issues/570 of data, with outstanding problems resolved _%{background:orange}Early March 2023%_
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* ADVANCED ANALYSIS TASKS with REPLAY 5 ntuples:
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** Final SIMC ntuple generation using final parameters.
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** Thorough look at L/T/LT/TT separations, consistency checks as necessary.
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** Final look at systematic error contributions.
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h3. "FULL REPLAY 6":https://redmine.jlab.org/issues/571 of data _%{background:orange}Early June 2023%_
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* Hopefully not necessary
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* OBTAIN:
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** Separated cross-section results.
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** Form factor determination begins.  Model systematic error tests. Use more than one model, if at all possible.
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** Model dependence and other issues in form factor extraction.
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*Begin thesis writing, drafts of first papers*
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---
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h2. +Completed+
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h3. "BCM calibrations":https://redmine.jlab.org/issues/552 **%{background:lightgreen}Done%**
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* "Fall 2018-Spring 2019":https://hallcweb.jlab.org/doc-public/ShowDocument?docid=1034
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** BCM1,2 are stable, have a small nonlinearity >60uA that remains to be
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   calibrated
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** "Final BCM":https://hallcweb.jlab.org/doc-private/ShowDocument?docid=1042 for fall and spring
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* "Summer 2019":https://hallcweb.jlab.org/doc-private/ShowDocument?docid=1037
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** BCM1,2 both okay, including small nonlinearity corr.
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h3. "Beam Energy calibrations":https://redmine.jlab.org/issues/553 **%{background:lightgreen}Done%**
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* "Mark Jones":https://hallcweb.jlab.org/wiki/index.php/Table_of_12_GeV_Beam_Energy_Measurements
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** This page incorporates May/2019 problem fix that caused to give wrong
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   beam energies
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h3. "Python analysis scripts":https://redmine.jlab.org/issues/555 **%{background:lightgreen}Done%**
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* Richard/Stephen
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* "1":https://redmine.jlab.org/attachments/download/1000/Analysis_Meeting_14_05_20.pdf , "2":https://redmine.jlab.org/attachments/download/998/KaonLTMeeting_5_13_20.pdf
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h3. "Timing windows and reference times":https://redmine.jlab.org/issues/500 **%{background:lightgreen}Done%**
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* Richard/Stephen
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* This was completed for hodoscopes, drift chambers by Richard/Stephen. Every HMS/SHMS channel needs to be re-done for the new hcana code.
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h3. "RF time for SHMS PID":https://redmine.jlab.org/issues/551 **%{background:lightgreen}Done%**
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* Stephen
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* "1-Apr-2020 Update":https://redmine.jlab.org/attachments/download/949/KaonLT_Meeting_01_04_20.pdf
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** Still need to set RF gates for each particle type, apply TOF corrections for particles other than pion, 
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   check offsets for other settings.
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h3. "Calibrations":https://redmine.jlab.org/issues/476 **%{background:lightgreen}Done%**
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* *"Calorimeter":https://redmine.jlab.org/issues/477*
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** Hamlet/Richard/Hakob/Stephen/Vladimir/Vardan
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** "HMS+SHMS":https://redmine.jlab.org/documents/74
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** "Bill Henry's 9-Jan-2020 report on calib algorithm improvements":https://hallcweb.jlab.org/DocDB/0010/001039/001/calorimeterCommis.pdf
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* *"Aerogel":https://redmine.jlab.org/issues/478*
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** Vladimir/Richard
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** Redmine lists calibration completed by Vladimir.  Need a link to the report. Cuts, PID analysis, efficiencies, not yet done.
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* *"HGCer":https://redmine.jlab.org/issues/479*
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** Garth/Vijay
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** New calibrations almost done.  Report in progress. A position dependent efficiency for pi+ and K+ will have to be implemented. This is not yet started.
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* *"HMS Cer":https://redmine.jlab.org/issues/480*
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** "Richard":https://redmine.jlab.org/projects/kltexp/wiki/Kaon_LT_Meetings#Nov-262019
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* *"HMS+SHMS DC":https://redmine.jlab.org/issues/481*
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** Stephen/Richard
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** "HMS+SHMS":https://redmine.jlab.org/documents/74
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* *"Hodoscope":https://redmine.jlab.org/issues/483*
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** Vijay/Ali
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** The second band is alright to keep for now until we tighten our time windows. Then the calibrations will need to be redone. This will not be until efficiencies are well established.
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h3. "SHMS tracking algorithm optimization and efficiencies":https://redmine.jlab.org/issues/556 **%{background:lightgreen}Done%**
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* Ali
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* "Link to Tracking Efficiencies vs Rate (9-Jun-2020)":https://redmine.jlab.org/attachments/download/1007/KaonLT_Meeting_Jun_9.pdf