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arXiv 1609.01334hep-ph
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重夸克的Uraltsev BPS极限的再讨论

Revisiting Uraltsev's BPS limit for Heavy Quarks

Johannes Heinonen, Thomas Mannel

摘要:

根据最近的实验数据,特别是自旋轨道项和达尔文项,我们认为自然界实际上可能接近于Uraltsev十多年前提出的QCD极限。假设这个极限不是偶然的,我们导出了1/mb^5量级的重夸克膨胀参数之间的关系。

英文摘要:

Motivated by the recent experimental data of the values of the Heavy Quark Expansion parameters, in particular the spin-orbit and Darwin terms, we argue that nature actually may be close to a limit of QCD which has been suggested by Uraltsev more than ten years ago. Assuming that this limit is not accidental, we derive the relations among the Heavy Quark Expansion parameters that occur up to the order 1/mb^5.

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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