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

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

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

文章导航 > 原子核物理评论 > 2009 > 26(5): 16-21

LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)[J]. 原子核物理评论, 2009, 26(5): 16-21. doi: 10.11804/NuclPhysRev.26.S1.016

引用本文:

LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D⁰Ｄ^*0(Ｄ⁰ D^*0)[J]. 原子核物理评论, 2009, 26(5): 16-21. 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(5): 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(5): 16-21. doi: 10.11804/NuclPhysRev.26.S1.016

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

doi: 10.11804/NuclPhysRev.26.S1.016

1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;2 Department of Physics, Peking University, Beijing 100871, China;3 Centro de Física Terica, Departamento de Física, Universidade de Coimbra, P3004516, Coimbra, Portugal

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

1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China; 2 Department of Physics, Peking University, Beijing 100871, China; 3 Centro de Física Terica, Departamento de Física, Universidade de Coimbra, P3004516, Coimbra, Portugal

摘要: 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.
- X(3872) /
- boundstate /
- molecule
Abstract: 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.
- X(3872) /
- bound state /
- molecule

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

doi: 10.11804/NuclPhysRev.26.S1.016

1 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;2 Department of Physics, Peking University, Beijing 100871, China;3 Centro de Física Terica, Departamento de Física, Universidade de Coimbra, P3004516, Coimbra, Portugal

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2020-05-11

关键词:

X(3872) /

boundstate /

molecule

摘要: 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.

English Abstract

LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D0Ｄ*0(Ｄ0 D*0)[J]. 原子核物理评论, 2009, 26(5): 16-21. doi: 10.11804/NuclPhysRev.26.S1.016

引用本文:

LIU Yan-rui, LIU Xiang, DENG Wei-zhen. X(3872) and Bound State Problem of D⁰Ｄ^*0(Ｄ⁰ D^*0)[J]. 原子核物理评论, 2009, 26(5): 16-21. 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(5): 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(5): 16-21. doi: 10.11804/NuclPhysRev.26.S1.016