# 19th International Conference on Hadron Spectroscopy and Structure in memoriam Simon Eidelman

26-31 July 2021
Mexico City
Mexico/General timezone
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# Meson spectroscopy-1

## Place

Location: Mexico City
Date: 26 Jul 11:15 - 13:15

## Conveners

• Prof. Mathieu, Vincent (University of Barcelona)

## Timetable | Contribution List

Displaying 5 contributions out of 5
Type: Leading parallel Session: Meson spectroscopy-1
Track: Meson Spectroscopy
We present recent work on the determination of several scalar and tensor resonances produced in $J/\psi$ radiative decays. We extract 7 total inelastic resonances, of which the most interesting ones are the $f_0(1500)$ and $f_0(1710)$, considered glueball candidates. We implement many different parameterizations fulfilling the unitarity and analyticity requirements to asses our uncertainties. Fina ... More
Presented by Mr. Arkaitz RODAS on 26/7/2021 at 17:00
Type: Leading parallel Session: Meson spectroscopy-1
Track: Meson Spectroscopy
Due to the high production of light mesons J/ψ radiative and hadronic decays, the largest sample of J/ψ events accumulated at the BESIII detector offers a unique laboratory to study the light mesons spectroscopy and search for the light exotic states. In this talk, we shall report the recent progresses on the light meson spectroscopy achieved at BESIII.
Presented by Shuangshi FANG on 26/7/2021 at 16:15
Type: Parallel Session: Meson spectroscopy-1
Track: Meson Spectroscopy
The graviton soft wall model (GSW) provides a unified description of the scalar glueball and meson spectra with a unique energy scale. We use this model to calculate the masses of the odd and even ground states of glueballs for various spins. In addition, the spectra of the $\rho$, $a_1$,$\eta$ and $\pi$ mesons will be addressed. Results are in excellent agreement with current experimental dat ... More
Presented by Dr. Matteo RINALDI on 26/7/2021 at 12:45
Type: Parallel Session: Meson spectroscopy-1
Track: Meson Spectroscopy
A coupled-channel analysis of the BES3 data on the J/Psi radiative decay has been performed to identify the spectrum of scalar and of tensor mesons.The fit includes the BES3 data,the data from antiproton-nucleon annihilation and the data on pipi scattering. The analysis reveals the existence of ten scalar isoscalar resonances. In the tensor sector the radiative J/Psi data show only evidence for f2 ... More
Presented by Prof. Andrey SARANTSEV on 26/7/2021 at 16:40
Type: Parallel Session: Meson spectroscopy-1
Track: Meson Spectroscopy
A coupled-channel analysis of data on radiative $J/\psi$ decays constrained by further data reveals the existence of ten scalar isoscalar resonances. Five seem to be mainly SU(3) singlet, five mainly octet states. Pure octet mesons should not be produced in radiative $J/\psi$ decays. But their yield is significant and peaks at 1865 MeV with no background. Singlet mesons are produced over a wide ... More
Presented by Prof. Eberhard KLEMPT on 26/7/2021 at 12:25
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