Re: Strange object, lack of feedback
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by
Whoandwhatitis
moderator
Hello @p.titchin, I'd say this one is a #toughie. I see only one #ocv, based on the Slice view. You can view the FAQ for a good quick rundown of what's going on here.
What I see is two muons (green lines) along with two other charged particles coming from the same off-center vertex. I think that this suggests that a massive particle decayed and produced four or more highly-energetic charged particles.
Could be a photon that hit the electromagnetic calorimeter at 300°, along with some hadrons and possibly some minor punch-throughs (seen on the muon chamber detector).
It also looks like the two red lines at 300° were cut short in the Normal / Zoom views, but they come from near the center in the Slice view.
Posted