Sachiko Takeuchi

X(3872) as a hybrid state of charmonium and the hadronic molecule

In order to understand the structure of the X(3872), the

On the origin of the narrow peak and the isospin symmetry breaking of the X(3872)

c \bar c

Pentaquark as a NK* bound state with TJ{sup P}=0(3/2){sup -}

charmonium core state coupling to the

Study of Nucleon-Nucleon and Hyperon-Nucleon Interaction

D^0 \bar D^{\ast 0}

Spin-Orbit Interactions between Two Baryons

and

Hidden-charm and bottom meson-baryon molecules coupled with five-quark states

D^+ D^{\ast -}

Quark model and equivalent local potential

molecular states are studied. The strengths of the couplings between the charmonium state and the hadronic molecular states are determined so as to reproduce the observed mass of the the X(3872). The isospin symmetry breaking is introduced by the mass differences of the neutral and charged

Charmonium and Meson–Molecule Hybrid Tetraquarks

D

PENTAQUARK WITH DIQUARK CORRELATIONS IN A QUARK MODEL

mesons. The obtained structure of the X(3872) is that about 7% is

Effects of instantons on the YN interaction

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