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Femtoscopic study on DD^* and Dbar{D}^* interactions for T_(cc) and X(3872)

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arxiv 2203.13814 v1 pith:NL5S5JTD submitted 2022-03-25 hep-ph nucl-th

Femtoscopic study on DD^* and Dbar{D}^* interactions for T_(cc) and X(3872)

classification hep-ph nucl-th
keywords correlationexoticmomentumnaturebehaviorschannelcollisionscomputed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate $DD^*$ and $D\bar{D}^*$ momentum correlations in high-energy collisions to elucidate the nature of $T_{cc}$ and $X(3872)$ exotic hadrons. Single range Gaussian potentials with the channel couplings to the isospin partners are constructed based on the empirical data. The momentum correlation functions of the $D^0D^{*+}$, $D^+D^{*0}$, $D^0\bar{D}^{*0}$, and $D^+D^{*-}$ pairs are computed with including the coupled-channel effects. We discuss how the nature of the exotic states are reflected in the behaviors of the correlation results.

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Cited by 5 Pith papers

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  1. Quantum interference effects enhanced in $\pi^+p$ femtoscopic correlation functions

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    The π⁺p correlation peak near 140 MeV/c arises from quantum interference of incident and scattered waves, while the Δ decay peaks near 220 MeV/c; their m_T-dependent mix explains the ALICE peak shift.

  2. $KX(3872)$ interaction and correlation function

    hep-ph 2026-07 conditional novelty 5.0

    A unitarized fixed-center approximation predicts a narrow KX(3872) bound state 50 MeV below threshold and a characteristic femtoscopic correlation function.

  3. Accessing Exotic Hadronic States via Charmed-Meson Femtoscopy in Relativistic Heavy-Ion Collisions

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    Quark-exchange interactions at short distances dominate the coupled-channel scattering amplitudes for Zc(3900) over meson exchanges in an effective hadron-quark model.

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