Journal Article

FZJ-2021-04598

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Quark structure of the Chi_c(3P) and X(4274) resonances and their strong and radiative decays

Ferretti, J. (Corresponding author) ; Santopinto, E. ; Anwar, M. N. (Corresponding author)FZJ* ; Lu, Y.FZJ*

2020
Springer Heidelberg

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Please use a persistent id in citations: http://hdl.handle.net/2128/29221  doi:10.1140/epjc/s10052-020-8032-5

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.

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Contributing Institute(s):

1. Theorie der Starken Wechselwirkung (IAS-4)

Research Program(s):

1. 5111 - Domain-Specific Simulation & Data Life Cycle Labs (SDLs) and Research Groups (POF4-511) (POF4-511)

Appears in the scientific report 2021

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