Understanding Photons: Insights from CERN Scientists

  • Context: Undergrad 
  • Thread starter Thread starter ddr
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SUMMARY

CERN scientists utilize specialized photodetector tubes to confirm the detection of photons, which are essential for their experiments. These tubes can identify very weak energy photons that standard equipment cannot detect, employing materials that create waveguides in complete darkness. When photons interact with these materials, the photoelectric effect generates a voltage that is significantly amplified for analysis by computers and monitoring equipment. This technology is crucial for accurate photon recognition in particle physics research.

PREREQUISITES
  • Understanding of the photoelectric effect
  • Familiarity with photodetector technology
  • Knowledge of waveguide materials and their applications
  • Basic principles of particle physics
NEXT STEPS
  • Research the design and function of photodetector tubes used in particle accelerators
  • Explore the principles of the photoelectric effect in detail
  • Learn about waveguide technology and its applications in photon detection
  • Investigate the role of photon detection in modern particle physics experiments
USEFUL FOR

Physicists, engineers, and researchers interested in particle detection technologies and the fundamental principles of photon behavior in experimental physics.

ddr
what makes the people at CERN (or similar) certain that what they just saw was a photon?how do i recognise a photon?
 
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Originally posted by ddr
what makes the people at CERN (or similar) certain that what they just saw was a photon?how do i recognise a photon?


Um, photodetector tubes? They detect light, just like cameras, night-vision goggles, our eyes. But the special tubes they use at accelerators can detect very weak energy photons that most equipment couldn't detect. They do this by using materials to form waveguides and do it complete darkness. Photons hit a substance that causes the photoelectric effect to occur. This voltage is then amplified many times as to be useful for analysis by computers and equipment that monitor the detection.
 

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