Non-perturbative O(a) improvement of the vector current

被引:41
作者
Guagnelli, M [1 ]
Sommer, R
机构
[1] CERN, Div Theory, CH-1211 Geneva 23, Switzerland
[2] DESY, IfH, D-15738 Zeuthen, Germany
关键词
D O I
10.1016/S0920-5632(97)00930-4
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We discuss non-perturbative improvement of the vector current, using the Schrodinger Functional formalism. By considering a suitable Ward identity, we compute the improvement coefficient which gives the O(a) mixing of the tensor current with the vector current.
引用
收藏
页码:886 / 888
页数:3
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