Well, the fact that the events are quite confined in space pretty
much rules it out. Could be a muon plus nearby slightly delayed junk.
> Btw... the monitor reported this as 2 bursts, although the second burst
> was a subset of the first.
>
Yes, this is normal for the single-SM search; it reports overlapping
bursts (the combined search "consolidates" and only reports subsequent
overlapping bursts if they have a lower probability than previous ones).
Kate.