NUMERICAL EVALUATION OF COLOR FACTORS

被引:3
作者
BARGER, V [1 ]
STANGE, AL [1 ]
PHILIPS, RJN [1 ]
机构
[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
来源
PHYSICAL REVIEW D | 1992年 / 45卷 / 05期
关键词
D O I
10.1103/PhysRevD.45.1751
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
To calculate the color factors in processes involving a large number of quarks and gluons, we propose direct evaluation by computer summations over color indices. Several examples are given.
引用
收藏
页码:1751 / 1753
页数:3
相关论文
共 10 条
[1]   MULTIPLE BREMSSTRAHLUNG IN GAUGE-THEORIES AT HIGH-ENERGIES .2. SINGLE BREMSSTRAHLUNG [J].
BERENDS, FA ;
KLEISS, R ;
DECAUSMAECKER, P ;
GASTMANS, R ;
TROOST, W ;
WU, TT .
NUCLEAR PHYSICS B, 1982, 206 (01) :61-89
[2]   SINGLE BREMSSTRAHLUNG PROCESSES IN GAUGE-THEORIES [J].
BERENDS, FA ;
KLEISS, R ;
DECAUSMAECKER, P ;
GASTMANS, R ;
WU, TT .
PHYSICS LETTERS B, 1981, 103 (02) :124-128
[3]   MULTIPLE BREMSSTRAHLUNG IN GAUGE-THEORIES AT HIGH-ENERGIES .1. GENERAL FORMALISM FOR QUANTUM ELECTRODYNAMICS [J].
DECAUSMAECKER, P ;
GASTMANS, R ;
TROOST, W ;
WU, TT .
NUCLEAR PHYSICS B, 1982, 206 (01) :53-60
[4]  
FIELD RD, 1989, APPLICATIONS PERTURB
[5]  
GASTMANS R, 1990, UBIQUITOUS PHOTON, P36004
[6]   4-JET PROCESSES - GLUON GLUON SCATTERING TO NON-IDENTICAL QUARK - ANTIQUARK PAIRS [J].
GUNION, JF ;
KUNSZT, Z .
PHYSICS LETTERS B, 1985, 159 (2-3) :167-173
[7]   CONCERNING THE 4-QUARK 2-GLUON SUBPROCESS [J].
GUNION, JF ;
KUNSZT, Z .
PHYSICS LETTERS B, 1986, 176 (3-4) :477-479
[8]   AMPLITUDES FOR MULTI-PARTON PROCESSES INVOLVING A CURRENT AT E+E-,E+/-P, AND HADRON COLLIDERS [J].
HAGIWARA, K ;
ZEPPENFELD, D .
NUCLEAR PHYSICS B, 1989, 313 (03) :560-594
[9]   FEYN ARTS - COMPUTER-ALGEBRAIC GENERATION OF FEYNMAN GRAPHS AND AMPLITUDES [J].
KUBLBECK, J ;
BOHM, M ;
DENNER, A .
COMPUTER PHYSICS COMMUNICATIONS, 1990, 60 (02) :165-180
[10]   DIAGONALIZATION OF COLOR FACTORS [J].
ZEPPENFELD, D .
INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 1988, 3 (09) :2175-2179