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Long-distance structure of the X(3872)
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Date
2014-07-26
Author
Guo, F-K.
Hidalgo-Duque, C.
Nieves, J.
Özpineci, Altuğ
Valderrama, M. Pavon
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We investigate heavy quark symmetries for heavy meson hadronic molecules, and explore the consequences of assuming the X(3872) and Z(b) (10610) as an isoscalar D (D) over bar and an isovector B (B) over bar* hadronic molecules, respectively. The symmetry allows to predict new hadronic molecules, in particular we find an isoscalar 1(++) BB* bound state with a mass about 10580 MeV and the isovector charmonium partners of the Z(b) (10610) and the Z(b) (10650) states. Next, we study the X(3872) -> D-0(D) over bar (0)pi(0) three body decay. This decay mode is more sensitive to the long-distance structure of the X(3872) resonance than its J/psi pi pi and J/psi 3 pi decays, which are mainly controlled by the short distance part of the X(3872) molecular wave function. We discuss the D-0(D) over bar (0) final state interactions, which in some situations become quite important. Indeed in these cases, a precise measurement of this partial decay width could provide precise information on the interaction strength between the D-(*)(D) over bar ((*)) charm mesons.
Subject Keywords
General Physics and Astronomy
,
CHARMONIUM
,
MOLECULES
URI
https://hdl.handle.net/11511/39296
DOI
https://doi.org/10.1088/1742-6596/556/1/012015
Collections
Department of Physics, Conference / Seminar
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F.-K. Guo, C. Hidalgo-Duque, J. Nieves, A. Özpineci, and M. P. Valderrama, “Long-distance structure of the X(3872),” 2014, vol. 556, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39296.