May 22, 2019 online meeting minutes

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present: Sergey Boyarinov, Stepan Stepanyan, vpk, rafo, Nathan, Ben

1. CLAS12 trigger development for next few years:

ECAL/PCAL clustering: attenuation is not a problem, can continue to use ideal 376cm; problem with fake clusters because of timing resolution is not good enough, too loose dalitz and decaying clusters; mip energy clusters can be lost in current algorithm; we may need to redesign clustering completely, will continue discussion; may use level1 and level3 together

DC trigger will stay as is, more efforts will be done on level3

multi-track trigger in stage2-3 ?

it is unclear if we really need to improve trigger purity, or we can leave with existing trigger (at least until 2022)

2. HPS status:

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