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arXiv 0907.4142hep-ph
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有效场论中的X(3872)

X(3872) in Effective Field Theory

S. Fleming, T. Mehen

摘要:

如果X(3872)共振是粲介子$D^{0} \bar D^{*0}$和$D^{*0} \bar D^{0}$的浅束缚态,则可用非相对论D介子与非相对论π介子耦合的有效理论(X-EFT)来描述。在这次演讲中,我简要介绍了X(3872),然后简短回顾了X-EFT。最后,我计算了部分衰变宽度$Γ[X\to D^0 \bar D^{0} π^0]$的次首阶修正和X(3872)衰变为P波夸克偶素的结果。

英文摘要:

If the X(3872) resonance is a shallow boundstate of a the charm mesons $D^{0} \bar D^{*0}$ and $D^{*0} \bar D^{0}$, it can be described by an effective theory of nonrelativistic D mesons coupled to nonrelativistic pions (X-EFT). In this talk, I give a brief overview of the X(3872), followed by a short review of X-EFT. I end my talk with results from calculations of the next-to-leading-order correction to the partial decay width $Γ[X\to D^0 \bar D^{0} π^0]$, and the decay of X(3872) to P-wave quarkonia.

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。

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