期刊
EUROPEAN PHYSICAL JOURNAL A
卷 35, 期 3, 页码 253-266出版社
SPRINGER
DOI: 10.1140/epja/i2007-10576-1
关键词
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The physical meaning of bare and dressed scattering matrix singularities has been investigated. Special attention has been attributed to the role of the well-known invariance of the scattering matrix with respect to the field transformation of the effective Lagrangian. Examples of evaluating bare and dressed quantities in various models are given.
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