螺旋度旋量方法与弱玻色子融合产生Higgs玻色子的树级QCD修正
高能物理 - 唯象学
2012-01-13 v1 高能物理 - 理论
摘要
我们利用螺旋度旋量形式解析计算了弱玻色子融合(WBF)产生Higgs玻色子的树级振幅,以及对标准模型(SM)预测的QCD修正。我们给出了末态包含两个胶子辐射以及两个无质量夸克的振幅显式表达式。Britto-Cachazo-Feng-Witten (BCFW) 递推关系的有质量推广被成功应用,得到了与常规Feynman图方法一致且更为简洁的紧凑结果。
引用
@article{arxiv.1201.2673,
title = {Helicity Spinor Methods and Tree Level QCD Corrections in Higgs Production via Weak Boson Fusion},
author = {A. R. Fazio and S. C. Vargas},
journal= {arXiv preprint arXiv:1201.2673},
year = {2012}
}
备注
Results presented by the authors in the poster session of The 29th Jerusalem Winter School in Theoretical Physics