Thermal hadron resonances in chiral and $U(1)_A$ restoration

Autor: Angel Gómez Nicola, J. Ruiz de Elvira, A. Vioque-Rodríguez

We review recent work on thermal resonances and their connection with chiral symmetry and $U(1)_A$ restoration within the QCD phase diagram. In particular, the $f_0(500)$ and $K_0^* (700)$ states generated from $\pi\pi$ and $\pi K$ scattering within

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80f776b70fe509a67c9260963c320be9
http://arxiv.org/abs/2203.02612

Patterns and Partners Within the QCD Phase Diagram Including Strangeness

Autor: Jacobo Ruiz de Elvira, Andrea Vioque-Rodríguez, Angel Gómez Nicola

Publikováno v: Springer Proceedings in Physics ISBN: 9783030534479

We review the current situation of the pattern of chiral symmetry restoration. In particular, we analyze partner degeneration for O(4) and \(U(1)_A\) symmetries within the context of Ward Identities and Effective Theories. The application of Ward Ide

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Recent advances on chiral partners and patterns and the thermal f0 (500) in chiral restoration

Autor: Silvia Ferreres-Solé, Angel Gómez Nicola, Jacobo Ruiz de Elvira, Andrea Vioque-Rodríguez

Publikováno v: Gómez Nicola, Ángel; Ruiz de Elvira, Jacobo; Ferreres-Solé, Silvia; Vioque-Rodríguez, Andrea (20 March 2018). Recent advances on chiral partners and patterns and the thermal f0 (500) in chiral restoration. PoS-proceedings of science. Trieste, Italy: Scuola Internazionale Superiore di Studi Avanzati SISSA 10.22323/1.310.0204

We review recent results on chiral SU(2)L ×SU(2)R ≈ O(4) and U(1)A symmetry restoration in QCD. In particular, we discuss how Ward Identities allow one to derive general results on partner degeneration, which shed light on the distinction between

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Chiral Symmetry Restoration for the large-$N$ pion gas

Autor: John Morales, Angel Gómez Nicola, Santiago Triana Cortés

Publikováno v: E-Prints Complutense. Archivo Institucional de la UCM
instname
E-Prints Complutense: Archivo Institucional de la UCM
Universidad Complutense de Madrid

We analyze chiral restoration within the $O(N+1)/O(N)$ Non-Linear Sigma Model for large $N$ as an effective theory for low-energy QCD at finite temperature $T$. The free energy is constructed diagramatically to ${\cal O}(TM^3)$ in the pion mass expan

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Effective Lagrangians for the Standard Model

Autor: Antonio Dobado, Angel Gomez-Nicola, Antonio L. Maroto, Jose R. Pelaez

This book is devoted to some recently developed techniques in quantum field theory (QFT), as well as to their main applications to different areas of parti­ cle physics. All together they are known as the effective or phenomenological Lagrangian for