QCD CORRECTIONS TO HEAVY QUARK PRODUCTION IN HADRON HADRON-COLLISIONS

被引:413
作者
BEENAKKER, W
VANNEERVEN, WL
MENG, R
SCHULER, GA
SMITH, J
机构
[1] UNIV HAMBURG,INST THEORET PHYS 2,W-2000 HAMBURG 50,GERMANY
[2] SUNY STONY BROOK,INST THEORET PHYS,STONY BROOK,NY 11794
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0550-3213(05)80032-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 investigate the QCD corrections to the cross section and single-particle inclusive differential distributions for p + pBAR --> Q(QBAR) + X where Q and QBAR are heavy quarks. We calculate the order alpha-S corrections to the parton reaction q + qBAR --> Q + QBAR which involves the computation of the virtual gluon contributions and the soft and hard contributions from the reaction q + qBAR --> Q + QBAR + g. The contributions from the channels g + q(qBAR) --> Q + QBAR + q(qBAR) are also calculated. Including the order alpha-S corrections to g + g --> Q + QBAR from our previous paper, we give exact results for the order alpha-S-3 cross sections and single-particle inclusive differential distributions for the production of t and b quarks in ppBAR collisions at energies presently available at the CERN SppBARS and the Fermilab tevatron. Results for future pp colliders are also presented. Finally we compare the results of the simple approximations to the order alpha-S corrections with the exact results.
引用
收藏
页码:507 / 560
页数:54
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