[12gevmoller_sim] [EXTERNAL] [JeffersonLab/remoll] 53d84c: Adding lead donut between shower max and pion

[rahmans1]

  Branch: refs/heads/test-hevac-v2
  Home:   https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=6VBWsJ6JAcZsxEje9ISbKPlKBOXjsGl9aSlmEMEOrH0&s=IROFnROG5xxmFlJoBXtGPEd87zkYHotpeikRRU3pgkI&e= 
  Commit: 53d84c62048b97bfaa21f941e426fd090f59c4bf
      https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll_commit_53d84c62048b97bfaa21f941e426fd090f59c4bf&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=6VBWsJ6JAcZsxEje9ISbKPlKBOXjsGl9aSlmEMEOrH0&s=_E6enu8-OEMpJ0XKV0TLjA6tA0uIbKXfKtDVh8xuXlo&e= 
  Author: Sakib <srahman at sapsimserv.physics.umanitoba.ca>
  Date:   2020-01-26 (Sun, 26 Jan 2020)

  Changed paths:
    M geometry/mollerMother_merged.gdml
    M geometry/pion/pionDetectorSystem.gdml

  Log Message:
  -----------
  Adding lead donut between shower max and pion