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|Type:||Artigo de periódico|
|Title:||The strong coupling constant|
|Author:||Del Popolo, A|
|Abstract:||In this paper we fix our attention on hadron structure, and show that also the strong interaction strength alpha(s), ordinarily called the "(perturbative) coupling-constant square", call be evaluated within our theory, and found to decrease (increase) as the "distance" r decreases (increases). This yields both the confinement of the hadron constituents, and their asymptotic freedom in qualitative agreement with the experimental evidence. In other terms, our approach leads us, on a purely theoretical ground, to a dependence of alpha(s) on r which had been previously found only on phenomenological and heuristic grounds. We expect the above agreement to be also quantitative, on the basis of a few checks performed in this work.|
|Subject:||strong coupling constant|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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