QCD evolutions of twist-3 chirality-odd operators
QCD evolutions of twist-3 chirality-odd operators
复制标题
twin-3手性奇算子的QCD演化
DOI:
10.1016/j.physletb.2012.12.007
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发表时间:
2012-10
影响因子:
4.4
通讯作者:
Zhang, G. P.
中科院分区:
文献类型:
--
作者:
Ma, J. P.;Wang, Q.;Zhang, G. P.
We study the scale dependence of twist-3 distributions defined with chirality-odd quark–gluon operators. To derive the scale dependence we explicitly calculate these distributions of multi-parton states instead of a hadron. Taking one-loop corrections into account we obtain the leading evolution kernel in the most general case. In some special cases the evolutions are simplified. We observe that the obtained kernel in general does not get simplified in the large-Nclimit in contrast to the case of those twist-3 distributions defined only with chirality-odd quark operators. In the later, the simplification is significant.
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