Scalar and tensor resonances in J/ψ radiative decays



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Rodas, A. and Pilloni, A. and Albaladejo, M. and Fernández Ramírez, C. and Mathieu, V. and Szczepaniak, A. P. (2022) Scalar and tensor resonances in J/ψ radiative decays. The European Physical Journal C, 82 (1). ISSN 1434-6044

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We perform a systematic analysis of the J/ψ→γπ0π0 and →γK0SK0S 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 1–2.5GeV mass range. These include the well known f0(1500) and f0(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.

Item Type:Article
Subjects:Sciences > Physics > Radioactivity
ID Code:74472
Deposited On:09 Sep 2022 13:39
Last Modified:13 Sep 2022 10:25

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