X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)

LIU Yan-rui; LIU Xiang; DENG Wei-zhen

doi:10.11804/NuclPhysRev.26.S1.016

LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)[J]. Nuclear Physics Review, 2009, 26(S1): 16-21. DOI: 10.11804/NuclPhysRev.26.S1.016

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LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)[J]. Nuclear Physics Review, 2009, 26(S1): 16-21. DOI: 10.11804/NuclPhysRev.26.S1.016

Citation:

LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)[J]. Nuclear Physics Review, 2009, 26(S1): 16-21. DOI: 10.11804/NuclPhysRev.26.S1.016

X(3872) and Bound State Problem of D⁰Ｄ^0(Ｄ⁰ D^0)

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We have performed a dynamical calculation of the bound state problem of D0Ｄ*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 BB* 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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X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)

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X(3872) and Bound State Problem of D⁰Ｄ^0(Ｄ⁰ D^0)