Sun, 27 Apr 2025 20:06:40 GMT pw: TrackerBarrel3D_MODEL,NaN,TrackerEndcap3D_MODEL,NaN,EcalBarrel3D_VS,NaN,EcalBarrel3D_MODEL,NaN,EcalEndcap3D_VS,NaN,EcalEndcap3D_MODEL,NaN,EcalPreshower3D_MODEL,NaN,HcalBarrel3D_VS,NaN,HcalBarrel3D_MODEL,NaN,HcalEndcap3D_VS,NaN,HcalEndcap3D_MODEL,NaN,HcalOuter3D_VS,NaN,HcalOuter3D_MODEL,NaN,HcalForward3D_VS,NaN,HcalForward3D_MODEL,NaN,DTs3D_VS,NaN,DTs3D_MODEL,NaN,CSC3D_VS,NaN,CSC3D_MODEL,NaN,RPC3D_VS,NaN,RPC3D_MODEL,NaN
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Settings
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Energy Range Selector
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Open Event
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About
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Detector Model Help
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- Tracker
- Innermost part of CMS; samples trajectories of charged particles
- ECAL (Electromagnetic Calorimeter)
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- ECAL Barrel
- Central electromagnetic calorimeter; measures energy of electrons and photons
- ECAL Endcap
- Electromagnetic calorimeters at either end of CMS for measurements close to the beam axis
- ECAL Preshower
- Provides an initial (before the EM shower) measurement helping to discriminate between photons and (neutral) pions
- HCAL (Hadron Calorimeter)
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- HCAL Barrel
- Central hadronic calorimeter; measures energy of hadrons
- HCAL Endcap
- Hadronic calorimeters at either end of CMS for measurements close to the beam axis
- HCAL Outer
- Final HCAL layer just outside the solenoid magnet
- HCAL Forward
- Hadronic calorimeters farther down and very close to the beam axis
- Drift Tubes (DT)
- Main large central muon chambers outside the solenoid and HCAL Outer using ionization of gas to record muon hits
- Cathode Strip Chambers (CSC)
- Forward muon detectors
- Resistive Place Chambers (RPC)
- Solid state muon detectors
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Tracking Help
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- Tracks (reco.)
- All reconstructed particle tracks in the tracker
- Clusters (Si Pixels)
- Recorded events in the innermost part of the tracker
- Clusters (Si Strips)
- Recorded events in the tracker
- Rec. Hits (Tracking)
- All particle hits in the tracker
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ECAL Help
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- Barrel Rec. Hits
- Energy in a single ECAL crystal
- Endcap Rec. Hits
- Hits in ECAL Endcap
- Preshower Rec. Hits
- Hits in ECAL Preshower
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HCAL Help
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- Barrel Rec. Hits
- Energy in a single HCAL tile
- Endcap Rec. Hits
- Hits in HCAL Endcap
- Forward Rec. Hits
- Hits in HCAL Forward
- Outer Rec. Hits
- Hits in HCAL Outer
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Muon Help
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- DT Rec. Hits
- Muon hits in Drift Tubes (barrel)
- DT Rec. Segments
- Muon track segments in Drift Tubes (barrel)
- CSC Segments
- Muon track segments in Cathode Strip Chambers (forward)
- RPC Rec. Hits
- Muon hits in Resistive Plate Chambers (barrel)
- CSC Rec. Hits
- Muon hits in Cathode Strip Chambers (forward)
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Physics Objects Help
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- Electron Tracks (GSF)
- Reconstructed electron tracks in the tracker
- Photons (Reco)
- Inferred photon trajectories
- Tracker Muons (Reco)
- Reconstructed muon tracks in tracker
- Stand-alone Muons (Reco)
- Reconstructed muon track segments in muon chambers
- Global Muons (Reco)
- Reconstructed complete muon tracks
- Calorimeter energy towers
- Histogram "towers" to indicate energy deposits in calorimeters summed over the trajectories
- Jets
- Collimated groups of particles which come from strong force energy conversion to matter
- MET
- Missing transverse energy
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