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High Energy, Nuclear, Particle Physics
Are valence quarks real physical entities?
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[QUOTE="Orodruin, post: 6064867, member: 510075"] If you want an answer to this you will first have to define what you mean by something being a "real physical entity". This is not really what the pdfs say. They tell you the probabilities to encounter a quark with a particular momentum. A hadron does not have a fixed number of particles inside it - it is not an eigenstate of an operator that could be dubbed a "total particle number" operator. This encodes the information about the "quark - antiquark content". While a hadron is not an eigenstate of a "total particle number" operator - it is an eigenstate of an quark - antiquark operator. [/QUOTE]
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Physics
High Energy, Nuclear, Particle Physics
Are valence quarks real physical entities?
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