Understanding Photons: Insights from CERN Scientists

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In summary, CERN scientists have provided valuable insights into the nature of photons, which are fundamental particles of light. These studies have revealed that photons do not have mass, but instead carry energy and momentum. They also exhibit wave-particle duality, behaving as both a particle and a wave. Additionally, experiments at CERN have shown that photons can interact with other particles, such as electrons, in a phenomenon known as scattering. Overall, understanding the properties of photons is crucial for advancing our knowledge of the universe and developing new technologies.
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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.
 

1. What are photons?

Photons are the elementary particles that make up light. They have zero mass and travel at the speed of light.

2. How are photons studied at CERN?

At CERN, photons are studied using high-energy particle collisions. These collisions produce photons that can be detected and their properties can be studied.

3. What insights have CERN scientists gained about photons?

CERN scientists have gained insights about the behavior and properties of photons, such as their interactions with other particles, their role in the electromagnetic force, and the potential for new discoveries in the future.

4. How do photons contribute to our understanding of the universe?

Photons play a crucial role in our understanding of the universe. They are responsible for carrying electromagnetic radiation, which allows us to observe and study distant objects in space. They also play a key role in many physical phenomena, such as photosynthesis, vision, and telecommunications.

5. What are some practical applications of understanding photons?

Understanding photons has led to many practical applications, such as the development of lasers, solar panels, and medical imaging technology. It also has implications for future technologies, such as quantum computing and communication.

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