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Entanglement Theory Quantum Correlations Quantum State Preparation Representation Open Quantum Systems Decoherence Quantum Simulation

Heavy $K^*K ∗ mesons with open charm fromKD(*)D^*$ K D ( ∗ ) D ∗ interactions

DOAJ
Authors: Xiu-Lei Ren, K. P. Khemchandani, A. Martínez Torres

Year

2024

Paper ID

38757

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

190

Citations

4

Abstract

Abstract In view of the recent discovery of $TccT cc , which can be described as aDD^*D D ∗ molecular state, we perform a study of theKDD^*K D D ∗ system, and its extension to studyingKD^*D^*K D ∗ D ∗ , whereD^*D^*D ∗ D ∗ is bound as a spin 1TccT cc -like state, to search for the possible existence of exotic mesons with the open flavors ccs being part of their quark configuration. Considering the additional attractive interactions present in the KD andKD^*K D ∗ subsystems, where the statesD^*s0(2317)D s 0 ∗ ( 2317 ) andDs1(2460)D s 1 ( 2460 ) are generated, we solve the Faddeev equations considering the fixed-center approximation for the mentioned three-body systems and find the existence of two doubly charmedK^*K ∗ -like mesons,Kcc^*(4309)K cc ∗ ( 4309 ) andKcc^*(4449)K cc ∗ ( 4449 ) , with quantum numbersI\(JP\)=1/2 \(1^-\)I ( J P ) = 1 / 2 ( 1 - ) . Considering the respective three-body thresholds of the two systems, bothKcc$ K cc -states are bound by around 60 MeV. An experimental confirmation will bring evidence for the existence of a degree of exoticity beyond charm +2.

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References & Citation Signals

[1] DOI https://doi.org/10.1140/epjc/s10052-024-13683-9 [2] Publisher https://doi.org/10.1140/epjc/s10052-024-13683-9

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External citation index: OpenAlex citation signal • updated 2026-06-04 09:35:52

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