Köln 2025 – scientific programme
Parts | Days | Selection | Search | Updates | Downloads | Help
HK: Fachverband Physik der Hadronen und Kerne
HK 30: Heavy-Ion Collisions and QCD Phases V
HK 30.3: Talk
Wednesday, March 12, 2025, 16:30–16:45, HS 3 Chemie
Kinetic Mixing in Parity Doublet Model — •Mattia Recchi1, Lorenz Von Smekal1, and Jochen Wambach2 — 1Institut für Theoretische Physik, Justus-Liebig-Universität Giessen, Heinrich-Buff-Ring 16, 35392 Giessen, Germany — 2Technische Universität Darmstadt, 64289 Darmstadt, Germany
The parity doublet model (PDM) is an effective hadronic theory with chiral symmetry suitable to describe nuclear matter and its phase transitions. Recently the thermodynamics of PDM has been widely investigated. Here we study the thermodynamics in a renormalization-group invariant mean-field calculation. Moreover, we explore an extension including derivative mixing terms to improve the axial charges for electroweak phenomenology in the PDM. We compare the resulting thermodynamics with that of standard PDM to show that this improvement can be implemented without breaking the phenomenologically successful description of nuclear and neutron matter in this effective hadronic theory for chiral symmetry breaking in presence of a chirally invariant baryon mass.
Keywords: Parity Doublet Model; Kinetic Mixing; Nuclear Matter; Phase Diagram; Electroweak