Engineering (miscellaneous); Physics and Astronomy (miscellaneous)
Abstract :
[en] The holographic graviton soft-wall model, introduced to describe the spectrum of scalar and tensor glueballs, is improved to incorporate the realization of chiral-symmetry as in QCD. Such a goal is achieved by including the longitudinal dynamics of QCD into the scheme. Using the relation between AdS/QCD and light-front dynamics, we construct the appropriate wave function for the pion which is used to calculate several pion observables. The comparison of our results with phenomenology is remarkably successful.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Rinaldi, Matteo; Dipartimento di Fisica e Geologia, INFN section of Perugia, Università degli studi di Perugia, Perugia, Italy
Ceccopieri, Federico ; Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) > Interactions fondamentales en physique et astrophysique (IFPA) ; CNRS, IJCLab, Université Paris-Saclay, Orsay, France
Vento, Vicente; Departamento de Física Teórica-IFIC, Universidad de Valencia-CSIC, Burjassot, Spain
Language :
English
Title :
The pion in the graviton soft-wall model: phenomenological applications
Publication date :
July 2022
Journal title :
European Physical Journal C. Particles and Fields
ISSN :
1434-6044
eISSN :
1434-6052
Publisher :
Springer Science and Business Media Deutschland GmbH
MICINN - Ministerio de Ciencia e Innovacion [ES] EU - European Union [BE] ERC - European Research Council [BE] FEDER - Fonds Européen de Développement Régional [BE]
Funding text :
The work was supported in part by (i) Ministerio de Ciencia e Innovación and Agencia Estatal de Investigación; of Spain MCIN/AEI/10.13039/501100011033 (MICINN and UE Feder, Grant No. FPA2016-77177-C2-1-P) and European Regional Development Fund Grant No. PID2019-105439 GB-C21 (ii) the European Union Horizon 2020 research and innovation programme under grant agreement STRONG - 2020 - No 824093, and (iii) the European Research Council under the European Union as Horizon 2020 research and innovation program (Grant Agreement No. 804480).
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