Some aspects of the quark-antiquark Wilson loop formalism in the NRQCD framework

被引:10
作者
Brambilla, N
Vairo, A
机构
[1] Univ Vienna, Inst Theoret Phys, A-1090 Vienna, Austria
[2] Austrian Acad Sci, Inst Hochenergiephys, A-1050 Vienna, Austria
关键词
D O I
10.1016/S0920-5632(99)00162-0
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
Starting from the NRQCD Lagrangian the heavy quark-antiquark potential is written in terms of field strength insertions on a static Wilson loop. The relevant matching coefficients are given at the present status of knowledge. The short-range, perturbatively dominated, behaviour of the spin-dependent terms is discussed.
引用
收藏
页码:201 / 204
页数:4
相关论文
共 17 条
[11]   IMPROVED NONRELATIVISTIC QCD FOR HEAVY-QUARK PHYSICS [J].
LEPAGE, GP ;
MAGNEA, L ;
NAKHLEH, C ;
MAGNEA, U ;
HORNBOSTEL, K .
PHYSICAL REVIEW D, 1992, 46 (09) :4052-4067
[12]   Heavy quark effective theory and nonrelativistic QCD Lagrangian to order alpha m/m(3) [J].
Manohar, AV .
PHYSICAL REVIEW D, 1997, 56 (01) :230-237
[13]   SPIN-DEPENDENT FORCES IN HEAVY-QUARK SYSTEMS [J].
NG, YJ ;
PANTALEONE, J ;
TYE, SHH .
PHYSICAL REVIEW LETTERS, 1985, 55 (09) :916-919
[14]  
PESKIN ME, 1983, P 11 SLAC I, P151
[15]   Effective field theory for ultrasoft momenta in NRQCD and NRQED [J].
Pineda, A ;
Soto, J .
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS, 1998, 64 :428-432
[16]  
PINEDA A, 1998, HEPPH9802365
[17]  
VAIRO A, 1998, P QUARK CONF HADR SP, V3