Sigma meson mass and width at finite density

Abstract

The sigma meson mass and width are studied at finite baryonic density in the framework of a chiral unitary approach which successfully reproduces the meson meson phase shifts and generates the f0 and sigma resonances in vacuum.

14 pages, 9 figures

References in corpus (14)

• Chiral Dynamics in Nucleons and Nuclei
• Chiral Symmetry Amplitudes in the S-Wave Isoscalar and Isovector Channels and the σ, f_0(980), a_0(980) Scalar Mesons
• Chiral symmetry amplitudes in the s-wave isoscalar and isovector channels and the $\sigma ,f_0(980),a_0(980)$ scalar mesons
• Chiral perturbation theory
• Meson-Meson interaction in a non-perturbative chiral approach
• Left Hand Singularities, Hadron Form Factors and the Properties of the Sigma Meson
• S-Wave Pion-Pion Correlations in Dense Nuclear Matter
• Chiral nonperturvative approach to the isoscalar s-wave pion-pion interaction in a nuclear medium
• pi pi scattering
• Medium Modification of The Pion-Pion Interaction at Finite Density
• Scalar Mesons within a model for all non-exotic mesons
• Chiral restoration from pionic atoms?
• Summary talk at the conference on the sigma resonance
• Significance of the Sigma Meson in Hadron Physics (QCD) and Possible Experiments to Observe it

Cited by in corpus (2)

• General properties of the pion production reaction in nuclear matter
• Evaluation of the $\pi \pi$ scattering amplitude in the $\sigma$-channel at finite density