arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0909.3555hep-ph
收藏

强子对撞机上新重费米子产生的次领先级截面

Next-to-Leading Order Cross Sections for New Heavy Fermion Production at Hadron Colliders

Edmond L. Berger, Qing-Hong Cao

摘要:

在微扰量子色动力学中,我们计算了在三个大型强子对撞机能量下新的重费米子产生的截面,精确到次领先阶。我们处理的情况下,通过强相互作用,通过电弱相互作用,和生产的重轻子的重夸克对生产。与重整化尺度和部分子分布函数的选择相关的理论不确定性被指定。我们得出一个简单而有用的参数化,我们的结果,这将有助于新的物理模型,预测新的重夸克和/或轻子的唯象研究。

英文摘要:

We evaluate the cross sections for new heavy fermion production at three Large Hadron Collider energies accurate to next-to-leading order in perturbative quantum chromodynamics. We treat the cases of pair production of heavy quarks via strong interactions, single heavy quark production via electroweak interactions, and the production of heavy leptons. Theoretical uncertainties associated with the choice of the renormalization scale and the parton distribution functions are specified. We derive a simple and useful parameterization of our results which should facilitate phenomenological studies of new physics models that predict new heavy quarks and/or leptons.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑