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Scalar and tensor resonances in $J/\psi$ radiative decays

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arxiv 2110.00027 v1 pith:KFCCCFD5 submitted 2021-09-30 hep-ph hep-exnucl-th

JPAC Collaboration: A. Rodas , A. Pilloni , M. Albaladejo , C. Fernandez-Ramirez , V. Mathieu , A. P. Szczepaniak This is my paper · ORCID
classification hep-phhep-exnucl-th
keywords analysisgammaglueballresonancesscalartensoramplitudebesiii
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We perform a systematic analysis of the $J/\psi \to \gamma \pi^0\pi^0$ and $\to \gamma K_S^0 K_S^0$ partial waves measured by BESIII. We use a large set of amplitude parametrizations to reduce the model bias. We determine the physical properties of seven scalar and tensor resonances in the 1-2.5 GeV mass range. These include the well known $f_0(1500)$ and $f_0(1710)$, that are considered to be the primary glueball candidates. The hierarchy of resonance couplings determined from this analysis favors the latter as the one with the largest glueball component.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. $\eta$ and $\eta'$ production in $J/\psi$ radiative decays from quantum chromodynamics

    hep-lat 2025-06 conditional novelty 8.0 of 10

    The first 2+1 flavor lattice QCD calculation of J/psi to gamma eta and gamma eta' form factors finds an enhanced eta'/eta ratio but absolute rates below experiment at m_pi around 391 MeV.

  2. $\eta$ and $\eta'$ meson production in $J/\psi$ radiative decays from lattice QCD

    hep-lat 2025-06 accept novelty 8.0 of 10

    A 2+1 flavor lattice QCD calculation determines the J/psi to gamma eta and J/psi to gamma eta' transition form factors separately for the first time, finding rates below experiment.

  3. Scalar glueball-$s\bar{s}$ mixing in one flavor lattice QCD

    hep-lat 2026-07 conditional novelty 7.0 of 10

    A lattice QCD simulation with one dynamical strange quark finds a large scalar glueball-s̄s mixing angle |θ|≈40.7(2.7)° and mixing energy x_s≈239(24) MeV, implying strong glueball-strange-quark mixing.

  4. Partial wave analysis of reactions with four meson final states

    hep-ph 2025-05 conditional novelty 6.0 of 10

    This paper presents a covariant tensor formalism for partial-wave amplitudes of resonances decaying to four pseudoscalar mesons, covering two-resonance and cascade topologies.

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