Departures from chiral symmetry
作者： Heinz Pagels
DOI: 10.1016/0370-1573(75)90039-3
关键词: Symmetry breaking 、 Particle physics 、 Symmetry operation 、 Physics 、 Spontaneous symmetry breaking 、 Chiral anomaly 、 Chiral symmetry breaking 、 Explicit symmetry breaking 、 Nambu–Jona-Lasinio model 、 Symmetry number 、 Mathematical physics
摘要: Abstract We review the physical concepts supporting notion of an approximate hadron symmetry with special emphasis on Nambu-Goldstone realizations chiral SU (2) × and (3) (3). stress role perturbation theory in breaking as technical instrument to connect broken symmetries experiment. This is alternate treatments that PCAC current algebra. find a good within 7% making it best after isotopic symmetry. The nonrenormalization theorem, Σ-terms, K l 3 decay, η→3π Goldberger-Treiman relation many other specific processes their are discussed.
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