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Detecting the long-distance structure of the X(3872)

Abstract : We study the X(3872)→D0D¯0π0 decay within a DD¯∗ molecular picture for the X(3872) state. This decay mode is more sensitive to the long-distance structure of the X(3872) resonance than its J/ψππ and J/ψ3π decays, which are mainly controlled by the details of the X(3872) wave function at short distances. We show that the D0D¯0 final state interaction can be important, and that a precise measurement of this partial decay width can provide valuable information on the interaction strength between the D(∗)D¯(∗) charm mesons.
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Contributor : Sophie Heurteau <>
Submitted on : Wednesday, August 27, 2014 - 10:50:02 AM
Last modification on : Wednesday, September 16, 2020 - 4:08:37 PM

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F. Kun Guo, C. Hidalgo-Duque, J. Nieves, A. Ozpineci, M. Pavón Valderrama. Detecting the long-distance structure of the X(3872). European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2014, 74, pp.2885. ⟨10.1140/epjc/s10052-014-2885-4⟩. ⟨in2p3-01058545⟩



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