奇异介子的间接搜索：B -> J/psi +任何
Indirect search of exotic mesons: B -> J/psi + Anything
摘要：
我们重新考虑B衰变中慢J/psi动量分布的理论与数据之间的差异。除了标准色单重态和色八重态QCD分量的更新外，我们还包括了XY Z奇异介子的贡献，并表明考虑到新的XYZ介子仍然未被观测到，剩余的差异可以被容纳。
英文摘要：
We reconsider the discrepancy between theory and data in the momentum distribution of slow J/psi in B decays. Beside an update of the standard color singlet and color octet QCD components, we include the contribution from XY Z exotic mesons, and show that the residual discrepancy could be accommodated considering new XYZ mesons still unobserved.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
