Compatibility of QCD sum-rules and Hadron field theory in a dense medium

Details Compatibility of QCD sum-rules and Hadron field theory in a dense medium Compatibility of QCD sum-rules and Hadron field theory in a dense medium

2004-11-24

arxiv.org/abs/nucl-th/0411098v1

Phys.Lett. B611 (2005) 248-254

Physics

Nuclear Physics

Nuclear Theory

8 pages, 2 figures

Scientific paper

10.1016/j.physletb.2005.02.024

The compatibility of the QCD sum rules and effective hadronic models predictions are examined. For this purpose we have considered the results for the nucleon self-energy in a dense hadronic environment provided by two independent QCD sum-rules calculations. They are immersed in a theory of hadronic fields giving rise to non-linear interactions, whose vertices are parameterized in different ways. Although all of them reproduce the self-energy used as input, very different descriptions of nuclear observables are obtained. Only under very definite circumstances we have found an acceptable agreement with the nuclear matter properties. To achieve this, phenomenological parameters are not required at all.

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