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hadron |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.07 sec. |
hadronAny of the subatomic particles that are built from quarks and thus interact via the strong force. The hadrons fall into two groups: mesons and baryons. Except for protons and neutrons, which are bound in nuclei, all hadrons have short lives and are produced in high-energy collision of subatomic particles. All hadrons are subject to gravitation; charged hadrons are subject to electromagnetic forces. Some hadrons break up by way of the weak force (as in radioactive decay); others decay via the strong and electromagnetic forces. |
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| Polchinski of the University of California, Santa Barbara notes that in the next couple of years, the Large Hadron Collider, near Geneva, Switzerland, will start operating. We do so in part (i) to study the hadron matrix elements in O(1/M), as the same matrix elements, albeit at different momentum transfers, enter in muon radiative capture [3], and (ii) to test the Dirac structure of the weak current, through the determination of the circular polarization of the associated photon [4, 5]. Freelance science journalist and regular contributor to "Science" magazine Andrew Watson explores such topics as the quantum world, "the gregarious gluon", quarks and hadrons, the true significance of the vacuum state, and much more. |
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hadron
