From meson- and photon-nucleon scattering to vector mesons in nuclear matter

Gy Wolf, M. F.M. Lutz, B. Friman

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We present a relativistic and unitary approach to pion- and photon-nucleon scattering taking into account the πN, ρN, ωN, ηN, πΔ, KΛ and KΣ channels. Our scheme dynamically generates the s- and d-wave baryon resonances N(1535), N(1650), N(1520) and N(1700) and as well as Δ(1620) and Δ(1700) in terms of quasi-local two-body interaction terms. We obtain a fair description of the experimental data relevant to the properties of slow vector mesons in nuclear matter. The resulting s-wave ρ- and ω-meson-nucleon scattering amplitudes which define the leading density modification of the ρ- and ω-meson spectral functions in nuclear matter, are presented.

Original languageEnglish
Pages (from-to)313-320
Number of pages8
JournalActa Physica Hungarica New Series Heavy Ion Physics
Volume17
Issue number2-4
DOIs
Publication statusPublished - Sep 9 2003

Keywords

  • Meson-nucleon scattering
  • Vector mesons in matter

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy(all)

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