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Jacob Murphy, 05/27/2022 08:38 PM

1 28 Mireille Muhoza 
h2. Experiment Overview
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The pion occupies a special place in nature as one of the lightest hadrons, with one valence quark, and one valence antiquark. Small as it might be, the pion is also responsible for the long range character of the strong interaction that binds the atomic nucleus together. If chiral symmetry (left-right symmetry of rules governing strong interactions) were an exact global symmetry of strong interactions then pions would be massless. Through gluon-quark interaction and by explicit inclusion of light quark masses, chiral symmetry of massless QCD undergoes explicit symmetry breaking, thus giving the pion its mass. This puts the pion at the core of the mechanism that dynamically generates all the mass of the hadrons and makes it a crucial element in understanding hadron structure. E12-07-105 and E12-06-101 joint experiment  allows for the measurement of the pion longitudinal and transverse separated cross section and pion form factor respectively at the highest Q 2 achievable at a 12 GeV Jefferson Lab. Carrying out this experiment at high values of Q2 can allow us to study nonperturbative dynamics of QCD wile also searching for a transition to the perturbative regime. In addition, the data obtained will provide us with information important in understanding reaction mechanisms and a benchmark for the models used to calculate the structure of light hadrons.





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h2. PAC Documents





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* Proposals:





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** "PAC18 12GeV session, Measuring Fpi at Higher Q2":https://redmine.jlab.org/attachments/download/1239/pac00.pdf





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** "PAC30 E12-06-101":https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=680





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** "PAC32 E12-07-105":https://misportal.jlab.org/mis/physics/experiments/viewProposal.cfm?paperId=512





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** "PAC35 E12-06-101 Update":https://redmine.jlab.org/attachments/download/1240/pac10.pdf





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** "PAC38 E12-07-105 Update":https://redmine.jlab.org/attachments/download/1241/E12-07-105_pac38.pdf





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** "PAC47 E12-19-006 Jeopardy Document":https://redmine.jlab.org/attachments/download/823/jeopardy_pac19.pdf





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** "PAC47 E12-19-006 Jeopardy Presentation":https://redmine.jlab.org/attachments/download/898/PAC47-E12-06-101-and-E12-07-105_v2.pdf





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* "Hall C Wiki":https://hallcweb.jlab.org/wiki/index.php/Main_Page





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* "Hall C Electronic Logbook":https://logbooks.jlab.org/book/hclog





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* "Hall C Information":https://www.jlab.org/physics/hall-c





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* "Experiment Schedule":https://www.jlab.org/physics/experiments/schedule





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h2. 2022 Summer Run Information





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* [[2022_Run_Plans_and_Run_Sheets]] 





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* "PionLT 2022 Physics Status":https://hallcweb.jlab.org/wiki/index.php/PionLT_2022_Physics_Status





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* "PionLT Specific Shift Instructions":https://hallcweb.jlab.org/wiki/index.php/Pion-LT_specific_shift_instructions





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* "Online Analysis Instructions":https://hallcweb.jlab.org/wiki/index.php/Pion-LT_analysis_instructions#Detailed_Online_Analysis_Instructions





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* "Information for Shift Takers":https://hallcweb.jlab.org/wiki/index.php/Information_for_Shift_Takers





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* "Documentation for Running Hall C":https://www.jlab.org/Hall-C/document/manuals.html





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* "Conduct of Operations (COO)":https://hallcweb.jlab.org/safety-docs/Fall2021/COO.pdf





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* "Experimental Safety Assessment (ESAD)":https://hallcweb.jlab.org/safety-docs/Fall2021/ESAD.pdf





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* "Radiation Safety Assessment (RSAD)":https://www.jlab.org/physics/RSAD_Hall_C_SummerFall2021_signed.pdf





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* "Emergency Response Guidelines (ERG)":https://www.jlab.org/Hall-C/document/ERG_HALLC.pdf





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* "2022 Beam Schedule":https://redmine.jlab.org/attachments/download/1243/20210316_JLab_ExpSch.pdf





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* "2022 Shift Signup":https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-PIONLT-2022





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* "2022 Shift Signup, read only":https://misportal.jlab.org/mis/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-PIONLT-2022





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* Hall C How-Tos: "1":https://hallcweb.jlab.org/document/howtos/ , "2":https://hallcweb.jlab.org/wiki/index.php/How-to





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* "Analysis on Cdaq":https://hallcweb.jlab.org/wiki/index.php/Analysis_How-to





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* "Contact Experts":https://hallcweb.jlab.org/wiki/index.php/Experts_on_call





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* "Target Configuration":https://redmine.jlab.org/attachments/1423





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h2. 2021 Fall Run Information





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* [[2021 Run Plans and Run Sheets]] 





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* "PionLT 2021 Physics Status":https://hallcweb.jlab.org/wiki/index.php/PionLT_2021_Physics_Status





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* "PionLT Specific Shift Instructions":https://hallcweb.jlab.org/wiki/index.php/Pion-LT_specific_shift_instructions





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* "Online Analysis Instructions":https://hallcweb.jlab.org/wiki/index.php/Pion-LT_analysis_instructions#Detailed_Online_Analysis_Instructions





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* "Information for Shift Takers":https://hallcweb.jlab.org/wiki/index.php/Information_for_Shift_Takers





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* "Documentation for Running Hall C":https://www.jlab.org/Hall-C/document/manuals.html





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* "Conduct of Operations (COO)":https://hallcweb.jlab.org/safety-docs/Fall2021/COO.pdf





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* "Experimental Safety Assessment (ESAD)":https://hallcweb.jlab.org/safety-docs/Fall2021/ESAD.pdf





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* "Radiation Safety Assessment (RSAD)":https://www.jlab.org/physics/RSAD_Hall_C_SummerFall2021_signed.pdf





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* "Emergency Response Guidelines (ERG)":https://www.jlab.org/Hall-C/document/ERG_HALLC.pdf





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* "2021 Beam Schedule":https://redmine.jlab.org/attachments/download/1243/20210316_JLab_ExpSch.pdf





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* "2021 Shift Signup":https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-PIONLT





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* "2021 Shift Signup, read only":https://misportal.jlab.org/mis/physics/shiftSchedule/?experimentRunId=HALLC-PIONLT





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* Hall C How-Tos: "1":https://hallcweb.jlab.org/document/howtos/ , "2":https://hallcweb.jlab.org/wiki/index.php/How-to





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* "Analysis on Cdaq":https://hallcweb.jlab.org/wiki/index.php/Analysis_How-to





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* "Contact Experts":https://hallcweb.jlab.org/wiki/index.php/Experts_on_call





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* "Target Configuration":https://redmine.jlab.org/attachments/1423





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h2. 2019 Summer Run Information





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* [[2019 Run Plans and Run Sheets]] 





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* "PionLT 2019 Physics Status":https://hallcweb.jlab.org/wiki/index.php/PionLT_2019_Physics_Status





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* "PionLT Specific Shift Instructions":https://hallcweb.jlab.org/wiki/index.php/Pion-LT_specific_shift_instructions





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* "Online Analysis Instructions":https://hallcweb.jlab.org/wiki/index.php/Pion-LT_analysis_instructions#Detailed_Online_Analysis_Instructions





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* "Summer 2019 Experimental Safety Assessment":https://hallcweb.jlab.org/safety-docs/Summer2019/ESAD.pdf





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* "Summer 2019 Conduct of Operations":https://hallcweb.jlab.org/safety-docs/Summer2019/ESAD.pdf





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* "Information for Shift Takers":https://hallcweb.jlab.org/wiki/index.php/Information_for_Shift_Takers





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* "Documentation for Running Hall C":https://www.jlab.org/Hall-C/document/manuals.html





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* "2019 Beam Schedule":https://www.jlab.org/exp_prog/experiment_schedule/2019/20190225.0.pdf





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* "2019 Shift Signup":https://misportal.jlab.org/mis/apps/physics/shiftSchedule/index.cfm?experimentRunId=HALLC-SPRING-2019





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* "2019 Shift Signup, read only":https://misportal.jlab.org/mis/physics/shiftSchedule/?experimentRunId=HALLC-SPRING-2019





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* Hall C How-Tos: "1":https://hallcweb.jlab.org/document/howtos/ , "2":https://hallcweb.jlab.org/wiki/index.php/How-to





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* "Analysis on Cdaq":https://hallcweb.jlab.org/wiki/index.php/Analysis_How-to





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* "Contact Experts":https://hallcweb.jlab.org/wiki/index.php/Experts_on_call





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h2. Data Analysis





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* [[JLab Farm Information]]





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* Software Git Repos





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** "hallc_replay_lt":https://github.com/JeffersonLab/hallc_replay_lt





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*** "Active branch":https://github.com/JeffersonLab/hallc_replay_lt/tree/online_pionlt





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** "UTIL_PION":https://github.com/JeffersonLab/UTIL_PION





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*** "Active branch":https://github.com/JeffersonLab/UTIL_PION/tree/online_pionlt





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** "UTIL_Batch":https://github.com/JeffersonLab/UTIL_BATCH





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*** "Active branch":https://github.com/JeffersonLab/UTIL_BATCH/tree/online_pionlt





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* "SIMC":https://hallcweb.jlab.org/wiki/index.php/SIMC_Monte_Carlo





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* "Hall C Analyzer":https://hallcweb.jlab.org/wiki/index.php/ROOT_Analyzer





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*** "hcana Update for FADC Mode-10 data":https://redmine.jlab.org/attachments/1424





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* [[Online Replay Histograms]]





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* "Joint Hall A & C Data Analysis":https://redmine.jlab.org/projects/podd/wiki/Workshop2018





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* "L/T Separation Software":https://github.com/billlee77/omega_analysis (see Sec 4.2 of https://misportal.jlab.org/ul/publications/view_pub.cfm?pub_id=15234 for description)





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h2. Meetings





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* "Hall C Commissioning Analysis Meetings":https://hallcweb.jlab.org/wiki/index.php/Commissioning_analysis_meetings





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* "Detector Working Group Meetings":https://hallcweb.jlab.org/wiki/index.php/Detector_Working_Group_Meetings#Detector_Working_Group_Meetings_in_2017





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* [[Pion LT Meetings]]





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* [[Pion LT Software Meetings]]





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* [[BlueJeans Information]]  





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h2. Collaboration





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* [[Spokespersons]]





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* [[Collaboration List]]





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* [[Mailing List]]