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Evidence that the a(0)(980) and f(0)(980) are not elementary particles
Physics Letters B, no. 1 (2004): 53-61
Abstract
We study the interesting problem of whether it is possible to distinguish composite from elementary particles. In particular we generalize a model-independent approach of Weinberg to the case of unstable particles. This allows us to apply our formalism to the case of the a0(980) and f0(980) resonances and to address the question whether t...More
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