Effective field theory for ultrasoft momenta in NRQCD and NRQED

被引:450
作者
Pineda, A
Soto, J
机构
[1] Univ Barcelona, Dept Estructura & Constituents, E-08028 Barcelona, Catalonia, Spain
[2] Univ Barcelona, Inst Fis Altes Energies, E-08028 Barcelona, Catalonia, Spain
关键词
D O I
10.1016/S0920-5632(97)01102-X
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 propose an effective field theory for heavy quark-antiquark bound states once the soft gluons have been integrated out. We also give new results for the matching between QCD (QED) and NRQCD (NRQED).
引用
收藏
页码:428 / 432
页数:5
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