The Large Hadron Collider

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The Large Hadron Collider
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Presentation transcript:

The Large Hadron Collider 11/18/2018 The Large Hadron Collider CMS Atlas Point 5 – CMS CERN R = 4.5 km E = 7 TeV 2 proton rings housed in one tunnel Completion: 2007… 11/18/2018 LHC

11/18/2018 LHC radius 11/18/2018 LHC

11/18/2018 1000 dipole magnets 11/18/2018 LHC

Experiment’s Solenoid 11/18/2018 Experiment’s Solenoid Used to bend trajectory of charged particle’s produced in collision  i.e. Determine their momenta B  In this case, it is a cosmic-ray muon traversing the muon detectors, calorimeters, and the silicon tracker 11/18/2018 LHC

11/18/2018 Eq.2 11/18/2018 LHC

The CMS Superconducting Solenoid 11/18/2018 The CMS Superconducting Solenoid Provides bending power to measure charged particle momenta (a big showstopper if it didn’t work) 6m B=4T 11/18/2018 LHC

Life in a Magnetic Field… 11/18/2018 Life in a Magnetic Field… Chain following field line 11/18/2018 LHC

Helium clouds… Fast dump of 17.5 kA (3.5T field) in 3 minutes 11/18/2018 Helium clouds… Fast dump of 17.5 kA (3.5T field) in 3 minutes 700m3 of helium released (about $10,000…) Not seen: 6mm distortion of disks with 10g force when magnet is on 11/18/2018 LHC

Major Milestone for CMS Expt. 2000 ton solenoid and central steel yoke, lowered 100m, 10 hours, 20 cm clearance, and a slight sway…. 11/18/2018 LHC

It Fits! Some tourists 11/18/2018 LHC