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Hidden and open heavy-flavor hadronic states

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arxiv 2007.06046 v1 pith:ALGSY4WI submitted 2020-07-12 hep-ph nucl-th

classification hep-phnucl-th
keywords statesdecayhadronicabovedecaysheavy-flavorhiddenmade
verification ladder T0 review T1 audit T2 compute T3 formal
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We discuss the stability of hidden and open heavy-flavor hadronic states made of either two or three mesons. References are made in passing to studies regarding two and three-body systems containing baryons. We perform a comparative study analyzing the results in terms of quark and hadron degrees of freedom. Compact and molecular states are found to exist in very specific situations. We estimate the decay width for the different scenarios: weak decays for bound states by the strong interaction, and strong decays for hadronic resonances above a decay threshold. The experimental observation of narrow hadrons lying well above their lowest decay threshold is theoretically justified.

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Cited by 1 Pith paper

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  1. Diffusion Monte Carlo calculation of compact $T_{cs0}$ and $T_{c\bar{s}0}$ tetraquarks

    hep-ph 2025-07 conditional novelty 6.0 of 10

    A constituent quark model with diffusion Monte Carlo identifies the LHCb Tcs0(2870) and Tcbar_s0(2900) as compact, excited flavor states with I=1, and predicts lower-mass ground flavor partners.

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