Del Duca V, Kilgore W, Oleari C, Schmidt C, Zeppenfeld D
INFN, Sezione di Torino via P. Giuria, 1-10125 Torino, Italy.
Phys Rev Lett. 2001 Sep 17;87(12):122001. doi: 10.1103/PhysRevLett.87.122001. Epub 2001 Aug 31.
Real-emission corrections to gg-->H, which lead to H+2 jet events, are calculated at order alpha(4)(s). Contributions include top-quark triangles, boxes, and pentagon diagrams and are evaluated analytically for arbitrary top mass m(t). This new source of H+2 jet events is compared to the weak-boson fusion cross section for a range of Higgs boson masses. The heavy top-mass approximation appears to work well for intermediate Higgs-boson masses, provided that the transverse momenta of the final-state partons are smaller than the top-quark mass.
对 gg→H 的实发射修正，会导致产生 H + 2 喷注事件，其计算阶数为 α⁴(s)。贡献包括顶夸克三角形、盒形和五边形图，并针对任意顶夸克质量 m(t) 进行解析评估。将这种新的 H + 2 喷注事件来源与一系列希格斯玻色子质量下的弱玻色子融合截面进行比较。对于中等希格斯玻色子质量，重顶夸克近似似乎效果良好，前提是末态部分子的横向动量小于顶夸克质量。
