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The ϱ meson and the thermal behavior of an effective hadronic coupling constant

✍ Scribed by C.A. Dominguez; M.S. Fetea; M. Loewe


Book ID
114290979
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
293 KB
Volume
64
Category
Article
ISSN
0920-5632

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Two perspectives for the thermal behavio
✍ C.A. Dominguez; C. van Gend; M. Loewe 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 383 KB

The pion nucleon vertex function at finite temperature is studied in two frameworks: (a) the thermal (linear) sigma model to leading (one-loop) order, and (b) a thermal QCD-Finite Energy Sum Rule. Both approaches indicate that the strength of the pion-nucleon coupling decreases with increasing T, va