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2016•Unpublished venueRequires access

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

Stanislaus Janowski, Francesco Giacosa

Open publisher page 3 citations

Abstract

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.

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What this paper is about

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.

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Available abstract

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.

Key concepts: Glueball, Scalar (mathematics), Sigma, Isoscalar, Particle physics, Physics, Resonance (particle physics), Sigma model

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