Hadron molecules

Abstract

We discuss a, possible interpretation of the open charm mesons D _s0* (2317), D_s1 (2460) and the hidden charm mesons X(3872), Y(3940) and Y(4140) as hadron molecules. Using a, phenomenological Lagrangian approach we review the strong and radiative decays of the D _s0* (2317) and D_s1 (2460) states. The X(3872) is assumed to consist dominantly of molecular hadronic components with an additional small admixture of a charmonium configuration. Determing the radiative (γJ/Ψ and γΨ (2s)) and strong (J/Ψ2π and J/Ψ 3π) decay modes we show that the present experimental observation is consistent with the molecular structure assumption of the X(3872). Finally, we give evidence for molecular interpretations of the Y(3940) and Y(4140) related to the observed strong decay modes J/Ψ + w or J/Ψ + Φ, respectively.

Original language	English
Pages (from-to)	1185-1190
Number of pages	6
Journal	Chinese Physics C
Volume	34
Issue number	9
DOIs	https://doi.org/10.1088/1674-1137/34/9/007
Publication status	Published - Sep 2010
Externally published	Yes

Keywords

Charm mesons
Hadronic molecule
Strong and radiative decay

ASJC Scopus subject areas

Nuclear and High Energy Physics
Astronomy and Astrophysics
Instrumentation

Access to Document

10.1088/1674-1137/34/9/007

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Gutsche, T., Branz, T., Faessler, A., Lee, I. W., & Lyubovitskij, V. E. (2010). Hadron molecules. Chinese Physics C, 34(9), 1185-1190. https://doi.org/10.1088/1674-1137/34/9/007

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abstract = "We discuss a, possible interpretation of the open charm mesons D s0* (2317), Ds1 (2460) and the hidden charm mesons X(3872), Y(3940) and Y(4140) as hadron molecules. Using a, phenomenological Lagrangian approach we review the strong and radiative decays of the D s0* (2317) and Ds1 (2460) states. The X(3872) is assumed to consist dominantly of molecular hadronic components with an additional small admixture of a charmonium configuration. Determing the radiative (γJ/Ψ and γΨ (2s)) and strong (J/Ψ2π and J/Ψ 3π) decay modes we show that the present experimental observation is consistent with the molecular structure assumption of the X(3872). Finally, we give evidence for molecular interpretations of the Y(3940) and Y(4140) related to the observed strong decay modes J/Ψ + w or J/Ψ + Φ, respectively.",

keywords = "Charm mesons, Hadronic molecule, Strong and radiative decay",

author = "Thomas Gutsche and Tanja Branz and Amand Faessler and Lee, {Ian Woo} and Lyubovitskij, {Valery E.}",

year = "2010",

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language = "English",

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AU - Gutsche, Thomas

AU - Branz, Tanja

AU - Faessler, Amand

AU - Lee, Ian Woo

AU - Lyubovitskij, Valery E.

PY - 2010/9

Y1 - 2010/9

N2 - We discuss a, possible interpretation of the open charm mesons D s0* (2317), Ds1 (2460) and the hidden charm mesons X(3872), Y(3940) and Y(4140) as hadron molecules. Using a, phenomenological Lagrangian approach we review the strong and radiative decays of the D s0* (2317) and Ds1 (2460) states. The X(3872) is assumed to consist dominantly of molecular hadronic components with an additional small admixture of a charmonium configuration. Determing the radiative (γJ/Ψ and γΨ (2s)) and strong (J/Ψ2π and J/Ψ 3π) decay modes we show that the present experimental observation is consistent with the molecular structure assumption of the X(3872). Finally, we give evidence for molecular interpretations of the Y(3940) and Y(4140) related to the observed strong decay modes J/Ψ + w or J/Ψ + Φ, respectively.

AB - We discuss a, possible interpretation of the open charm mesons D s0* (2317), Ds1 (2460) and the hidden charm mesons X(3872), Y(3940) and Y(4140) as hadron molecules. Using a, phenomenological Lagrangian approach we review the strong and radiative decays of the D s0* (2317) and Ds1 (2460) states. The X(3872) is assumed to consist dominantly of molecular hadronic components with an additional small admixture of a charmonium configuration. Determing the radiative (γJ/Ψ and γΨ (2s)) and strong (J/Ψ2π and J/Ψ 3π) decay modes we show that the present experimental observation is consistent with the molecular structure assumption of the X(3872). Finally, we give evidence for molecular interpretations of the Y(3940) and Y(4140) related to the observed strong decay modes J/Ψ + w or J/Ψ + Φ, respectively.

KW - Charm mesons

KW - Hadronic molecule

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