A1 Journal article (refereed)
Quark structure of the χc(3P) and X(4274) resonances and their strong and radiative decays (2020)

Ferretti, J., Santopinto, E., Anwar, M. N., & Lu, Y. (2020). Quark structure of the χc(3P) and X(4274) resonances and their strong and radiative decays. European Physical Journal C, 80(5), Article 464. https://doi.org/10.1140/epjc/s10052-020-8032-5

JYU authors or editors

Publication details

All authors or editors: Ferretti, J.; Santopinto, E.; Anwar, M. Naeem; Lu, Yu

Journal or series: European Physical Journal C

ISSN: 1434-6044

eISSN: 1434-6052

Publication year: 2020

Volume: 80

Issue number: 5

Article number: 464

Publisher: Springer

Publication country: Germany

Publication language: English

DOI: https://doi.org/10.1140/epjc/s10052-020-8032-5

Publication open access: Openly available

Publication channel open access: Open Access channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/69267

Publication is parallel published: https://arxiv.org/abs/2002.09401

Abstract

We calculate the masses of χc(3P) states with threshold corrections in a coupled-channel model. The model was recently applied to the description of the properties of χc(2P) and χb(3P) multiplets (Ferretti and Santopinto in Phys Lett B 789:550, 2019]. We also compute the open-charm strong decay widths of the χc(3P) states and their radiative transitions. According to our predictions, the χc(3P) states should be dominated by the charmonium core, but they may also show small meson-meson components. The X(4274) is interpreted as a cc¯ χc1(3P) state. More information on the other members of the χc(3P) multiplet, as well as a more rigorous analysis of the X(4274)’s decay modes, are needed to provide further indications on the quark structure of the previous resonance.

Keywords: nuclear physics; particle physics

Free keywords: theoretical physics

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Related projects

Ministry reporting: Yes

Reporting Year: 2020

JUFO rating: 2