Tests of the nature of the σ(0.6) from D
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Hans Guenter Dosch; Stephan Narison
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Article
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2003
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Elsevier Science
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English
⚖ 398 KB
We quantitatively study the effects, beyond the SVZ-expansion, due to instanton and tachyonic gluon mass, to the scalar isoscalar two-point functions supporting the fact that the QCD spectral sum do not favour the 'LLu + dd interpretation of the broad and low mass 40.6). Then, we emphasize that a m