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arXiv 1304.7809hep-ph
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Dyck字与多夸克本原振幅

Dyck Words and Multi-Quark Primitive Amplitudes

Tom Melia

摘要:

研究了树层次上纯多夸克基元振幅之间的群论(Kleiss-Kuijf)关系,证明了它们使独立基元数目减少到(n-2)!(n/2)!,其中n是夸克加反夸克的数量,在夸克线有不同味道的情况下。我给出了一个明确的例子,一个独立的基础上的任何n的原语的形式A(1,2,西格玛),其中西格玛是一个置换的基础上的一个戴克字。

英文摘要:

I study group theory (Kleiss-Kuijf) relations between purely multi-quark primitive amplitudes at tree level, and prove that they reduce the number of independent primitives to (n-2)!/(n/2)!, where n is the number of quarks plus antiquarks, in the case where quark lines have different flavours. I give an explicit example of an independent basis of primitives for any n which is of the form A(1,2,sigma), where sigma is a permutation based on a Dyck word.

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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