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# System prepended metadata

title: Questions

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# Questions

* Briefly what's the status/plan for including more MC information in the larndsim output?
* Could you educate us on association information stored? How is it supposed to work (how can we use it) when it's ready? How granular is it? (e.g. if 2 colinear particles share a packet through overlapping segments, do we keep how much fraction of charge coming from which segments?)
* Are there items we could help? You can assume our team is familiar with edep-sim output and what larnd-sim as well as our desired list of MC info :)

# Requests
- Below is our wish-list on type of MC information needed for ML chain
    - a list of complete set of particles in all interactions with hierarchy (information that allows us to backtrace all particles to the origin through parentage). We need individual EM particles in a shower as well.
    - Association of granular energy deposition information (e.g. packet?) to the original MC counterpart (e.g. segment)

