Resonances f0(1370), f0(1500) and f0(1710) within the extended Linear Sigma Model

FAIR NExt generation of ScientistS 2013

Janowski, Stanislaus^1 ; Giacosa, Francesco^1

Institute for Theoretical Physics, Goethe-University, Max-von-Laue-Str. 1, 60438 Frankfurt am Main, Germany^1

关键词: Sigma model;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/503/1/012029/pdf
DOI  :  10.1088/1742-6596/503/1/012029

来源: IOP

【 摘 要 】

In the framework of the extended Linear Sigma Model (eLSM) we investigate the masses and decays of the three scalar-isoscalar resonances f0(1370), f0(1500) and f0(1710). The degrees of freedom of the eLSM are (pseudo)scalars and axial(vectors) as well as the scalar glueball. Although still preliminary, present results, based on the physical masses of the above mentioned resonances, show that f0(1710) is the predominantly glueball state. However, acceptable decays for this resonance can be obtained only for a (very) large gluon condensate.