ONE-LOOP CORRECTIONS TO 2-QUARK 3-GLUON AMPLITUDES

被引:205
作者
BERN, Z
DIXON, L
KOSOWER, DA
机构
[1] STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA
[2] CENS, SERV PHYS THEOR, CEA, DIRECT SCI MATIERE LAB, F-91191 GIF SUR YVETTE, FRANCE
关键词
D O I
10.1016/0550-3213(94)00542-M
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 the one-loop QCD amplitudes for two external massless quarks and three external gluons ((q) over bar qggg). This completes the set of one-loop amplitudes needed for the next-to-leading-order corrections to three-jet production at hadron colliders. We also discuss how to use group theory and supersymmetry to minimize the amount of calculation required for the more general case of one-loop two-quark n-gluon amplitudes. We use collinear limits to provide a stringent check on the amplitudes.
引用
收藏
页码:259 / 304
页数:46
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