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原子核物理评论 , 2009, 26(z1): 16-21.

基金项目:   K.C.Wong Education Foundation,Hong Kong   国家自然科学基金(10625521;10675008;10705001;10775146;10721063)   中国博士后基金(20070420526)  

X(3872) and Bound State Problem of D~0(D)*~0((D)~0D*~0)

Keywords： X(3872)

We have performed a dynamical calculation of the bound state problem of D~0(D)~(*0) by considering the pion and sigma meson exchange potential.Our preliminary analysis disfavors the molecular interpretation of X(3872) if we use the experimental D~* Dπ coupling constant g=0.59 and a reasonable cutoff around 1 GeV,which is the typical hadronic scale.In contrast,there probably exists a loosely bound S-wave B (-B)~* molecular state.Such a molecular state would be rather stable since its dominant decay mode is the radiative decay through B~*→Bγ.

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