Nate's Question: Why Is Detection Equivalent to Annihilation?

In summary, "detection equivalent to annihilation" refers to the process of a particle being detected and its energy being completely absorbed, resulting in its disappearance. This principle is important in particle physics as it allows scientists to study subatomic particles and their interactions with other particles. This is achieved through the use of specialized particle detectors. While it can occur in natural phenomena, particle accelerators provide controlled environments for studying this process. Additionally, detection equivalent to annihilation has applications in other fields such as medical imaging and nuclear energy, leading to advancements in technology and techniques.
  • #1
nateHI
146
4
http://en.wikipedia.org/wiki/Coherent_state#Quantum_mechanical_definition

From the link above:
"Physically, this formula means that a coherent state is left unchanged by the detection (or annihilation) of a particle."

My question is, why is detection of a particle equivalent to annihilation of it?

Thanks, Nate
 
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  • #2


My understanding is that they aren't equivalent. It just means that the coherent state isn't changed when a particle is removed, which can happen whether it is detected or annihilated.
 
  • #3


I think you're correct. Thanks.
 
  • #4


No problem.
 

What does "detection equivalent to annihilation" mean?

Detection equivalent to annihilation refers to a process in particle physics where a particle is detected and its energy is completely absorbed, resulting in its annihilation or disappearance.

Why is detection equivalent to annihilation important in particle physics?

This principle is important because it allows scientists to study subatomic particles by observing their interactions with other particles. By detecting the energy of the particle, we can learn more about its properties and behavior.

How is detection equivalent to annihilation achieved?

Detection equivalent to annihilation is achieved by using particle detectors, which are specialized devices that can measure and record the energy of particles. These detectors are designed to stop the particle and absorb its energy, resulting in its annihilation.

Can detection equivalent to annihilation only occur in particle accelerators?

No, detection equivalent to annihilation can also occur in natural phenomena, such as cosmic ray collisions or interactions in the Earth's atmosphere. However, particle accelerators provide controlled environments for studying these interactions.

What are the implications of detection equivalent to annihilation in other fields of science?

Detection equivalent to annihilation is not limited to particle physics, but it has applications in other fields such as medical imaging and nuclear energy. By understanding the principles of detection and annihilation, we can develop new technologies and techniques for various industries.

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