The particle selection criteria can be changed in the configuration file.

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The default particle selection criteria can be found here: [1]. All the selections can be changed in the command line or in the Jana configuration files as followed (p29):

  • Changing the particle time cut:

COMBO_TIMECUT:X_Y Z with X, Y, and Z, the particle PDG GlueX number, the detector rack number (hex to decimal converter), and time cut in ns, respectively

  • Changing the track PID, the timing (treated above), E/P and dE/dx are used
  1. E/P
  • Changing the meson mass: