Heavier bosons and their function and detection

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Heavier bosons like ##W## or ##H## require high energy accelerator to be detected. Yet these bosons fulfill their function in the ambient energy of the universe. Why is it that their detection takes high energy environment but their function is possible in lower ambient energy?
 

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PeterDonis
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Heavier bosons like ##W## or ##H## require high energy accelerator to be detected.
They require a high energy experiment to be detected as separate particles. They do not require a high energy environment to function as quantum fields.
 
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They require a high energy experiment to be detected as separate particles. They do not require a high energy environment to function as quantum fields.
So can these quantum fields be equivalently seen as virtual particles, that become real detectable particles upon the impartation of high energy?
 
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So can these quantum fields be equivalently seen as virtual particles,
No, these are different (but of course related) concepts. "Virtual particle" is a name for certain part of mathematics that we use when we do perturbative calculations. And this is the only place where virtual particles appear. Quantum fields are basic objects in QFT and trying to think that they can be equivalently seen as something else is not a good idea. You replace one relatively hard concept with other which you think is easier to grasp, and it's not. Fields are fields. Virtual particles are virtual particles, and real particles are yet another concept - a very specific states of the field. You can't mix those three concepts, they are important all by their own.
 
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They require a high energy experiment to be detected as separate particles. They do not require a high energy environment to function as quantum fields.
W and H are like a buddhist monk. They have a very low ground state, but need a lot of external excitation to get excited. :oldbiggrin:
 
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