high-energy particle physics · 2012-11-30 · high-energy particle physics d. schroeder, 30...
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High-Energy Particle Physics
D. Schroeder, 30 November 2012
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Outline
• Colliders (storage rings)
• Detectors • Example reactions • Feynman diagrams
• The Periodic Table • Discovering Neptune
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Why high energy?
1. Produce massive particles: E = mc2
2. Probe small length scales:
for ultra-relativistic particles
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Photo: SLAC
20 GeV electron accelerator
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Photo: SLAC
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Photo: SLAC
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Photo: SLAC
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Photo: Walter Zawojski, SLAC
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Photo: CERN
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Photo: Julian Herzog
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Photo: CERN
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How high can the LHC energy be?
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Mark II Collaboration, SLAC
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Mark II Collaboration, SLAC
Mark II e+µ– Event Reconstruction
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Higher-Order Diagrams
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To learn more… • R. P. Feynman, QED: The Strange Theory of Light
and Matter
• R. M. Barnett, et al., The Charm of Strange Quarks
• M. Riordan, The Hunting of the Quark
• ParticleAdventure.org
• physics.weber.edu/schroeder/feynman