Solid background merging

• reference
  • clas12 note about background merging https://misportal.jlab.org/mis/physics/clas12/viewFile.cfm/2018-002.pdf?documentId=56
  • clas12 note about electromagnetic background rates https://misportal.jlab.org/mis/physics/clas12/viewFile.cfm/2017-016.pdf?documentId=52
  • clas12 note archive https://misportal.jlab.org/mis/physics/clas12/index.cfm
  • gemc update 2018/03 https://solid.jlab.org/DocDB/0000/000089/001/gemcSolidUpdate.pdf
  • gemc option https://gemc.jlab.org/gemc/html/documentation/generator/bgmerge.html?highlight=save_all_mothers

• our study
  • Rich's slide about background merging 2019/03 https://solid.jlab.org/DocDB/0001/000161/001/Background%20merging%203_2019.pdf
  • Rich's slide about software 2019/01 https://solid.jlab.org/DocDB/0001/000157/001/Simulation%20development%2001_2019.pdf
  • Ye's slide about geant4 and generator comparison https://solid.jlab.org/DocDB/0002/000236/001/G4hadron_rate_comparison.pdf