NRQCD on an anisotropic lattice

被引:10
作者
Drummond, IT [1 ]
Horgan, RR [1 ]
Manke, T [1 ]
Shanahan, HP [1 ]
机构
[1] Univ Cambridge, DAMTP, Cambridge CB4 4SL, England
关键词
D O I
10.1016/S0920-5632(99)85065-8
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 present preliminary results for the Y spectrum on an anisotropic lattice using the improved O(mv(6)) NRQCD Hamiltonian. We find that accurate results can be obtained in moderate computer times and that they agree with earlier results on an isotropic lattice.
引用
收藏
页码:336 / 338
页数:3
相关论文
共 6 条
[1]   Improving lattice quark actions [J].
Alford, M ;
Klassen, TR ;
Lepage, GP .
NUCLEAR PHYSICS B, 1997, 496 (1-2) :377-407
[2]   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
[3]   spectrum from NRQCD with improved action [J].
Manke, T ;
Drummond, IT ;
Horgan, RR ;
Shanahan, HP .
PHYSICS LETTERS B, 1997, 408 (1-4) :308-314
[4]  
MORNINGSTAR C, 1996, NUCL PHYS B, V53, P914
[5]  
MORNINGSTAR C, P LATTICE 96
[6]   HEAVY-QUARK SELF-ENERGY IN NONRELATIVISTIC LATTICE QCD [J].
MORNINGSTAR, CJ .
PHYSICAL REVIEW D, 1993, 48 (05) :2265-2278