Where are the four muons in this picture

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Discussion Overview

The discussion revolves around a simulation image depicting Higgs boson decays into four muons. Participants are trying to identify which track lines in the image correspond to the four muons, exploring their characteristics and the context of the simulation.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant suggests that the four thick yellow lines at the bottom right of the picture may represent the muons due to their energetic appearance.
  • Another participant notes that identifying muon tracks is challenging without additional context, mentioning that muons typically exhibit a large curvature radius and should traverse the entire detector.
  • This participant identifies two lines in the lower central part as likely muon tracks and mentions a third line ending below the right center as possibly another muon track.
  • There is a discussion about the interpretation of a line "disappearing" in the right center, which could represent a muon moving towards or away from the observer, depending on the projection.
  • One participant expresses a personal interest in the image, stating plans to get a tattoo of it and highlighting the need for more information about the muon tracks.
  • A link to an educational resource about LHC data is provided for interested readers.

Areas of Agreement / Disagreement

Participants do not reach a consensus on which lines represent the four muons, indicating that multiple interpretations and uncertainties remain in the discussion.

Contextual Notes

The discussion highlights the limitations of event displays in particle physics, emphasizing that actual analysis relies on numerical data from track reconstruction and particle identification algorithms.

min_oh
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Hi all.It is picture of simulation for higgs decays into four muons.

Im wondering which track line is four muon.

My guess is four thick yellow line at right-bottom side of the picture cuase it looks energetic.

Am i right? Or any other opinion?

Thanks a lot

Min
9710002_05.jpe
 
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Hard to tell without more context. They should have a large curvature radius and go through the whole detector. The two lines ending in the lower central part look like muon tracks, the one ending below the right center looks like a muon track.
The one "disappearing" in the right center could be a muon moving towards us or away from us, depending on the projection chosen.

You don't learn much about particle physics from those event displays. The actual analysis uses the numbers from track/cluster reconstruction and particle identification algorithms.
 
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thanks mfb
im going to have a tattoo of this pic and want to highlight the muon tracks. i got this pic on the cms page and there is not much information about it.
 

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