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How do we learn about particle physics from high-energy physics detectors?

How do we learn about particle physics from high-energy physics detectors?. We learn about the very successful theory of elementary particles (the Standard Model of particle physics)… And we learn about strange displays from particle experiments…. The forces (fields):. The particles:.

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How do we learn about particle physics from high-energy physics detectors?

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  1. How do we learn about particle physicsfrom high-energy physics detectors? • We learn about the very successful theory of elementary particles (the Standard Model of particle physics)… • And we learn about strange displays from particle experiments…. The forces (fields): The particles: 23Jun2010 QuarkNet

  2. March 30, 2010 at the LHC, CERN 23Jun2010 QuarkNet

  3. Connecting the dots…. How do we go from here: to here: ???? 23Jun2010 QuarkNet

  4. Particle detectors 23Jun2010 QuarkNet

  5. What particles are actually detected? (mostly) 23Jun2010 QuarkNet

  6. Detectors revealed • Inner detectors: Low density ionization detectors to measure trajectory of charged particles (gas, thin silicon) in a uniform magnetic field (p=qvB). [trackers] • Outer detectors absorb and measure particle energies. [calorimeters] • Muons (and neutrinos) survive. • Energy & Momentum conservation to reconstruct the processes

  7. pix (silicon detectors) 23Jun2010 QuarkNet

  8. 23Jun2010 QuarkNet

  9. e.g. e+e- → e+e- at E=91 GeV 23Jun2010 QuarkNet

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  12. 23Jun2010 QuarkNet

  13. e+e- → q anti-q at E=91 GeV 23Jun2010 QuarkNet

  14. e+e- → b anti-b at E=91 GeV 23Jun2010 QuarkNet

  15. 23Jun2010 QuarkNet

  16. 23Jun2010 QuarkNet

  17. 23Jun2010 QuarkNet

  18. proton beams – protons are not elementary 23Jun2010 QuarkNet

  19. 23Jun2010 QuarkNet

  20. pp → e+e- +X 23Jun2010 QuarkNet

  21. 23Jun2010 QuarkNet

  22. pp → gg (2 jets) +X 23Jun2010 QuarkNet

  23. 23Jun2010 QuarkNet

  24. pp → H +X No event display available yet… Stay tuned ! 23Jun2010 QuarkNet

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