顶夸克衰变模式t -> \tilde{t} \chi^0 的QCD修正
高能物理 - 唯象学
2009-10-28 v3
摘要
在超对称理论中，顶夸克可以以可观的速率衰变到其标量超伴子加一个中性微子。我们在最小超对称标准模型（MSSM）中计算了该衰变模式的 QCD修正。这些修正可正可负，并随胶微子质量呈对数增长。对于低于1 TeV的胶微子质量，修正至多约为百分之十，因此处于良好控制之下。
引用
@article{arxiv.hep-ph/9605340,
title = {QCD Corrections to the Top Decay Mode $t \ra \tilde{t} \chi^0$},
author = {A. Djouadi and W. Hollik and C. Junger},
journal= {arXiv preprint arXiv:hep-ph/9605340},
year = {2009}
}
备注
15 pages including 4 figs (using psfig.sty). A few typos have been corrected and some references added. The results for Figs. 3 and 4 are now presented in the dimensional reduction scheme. Version to appear in Phys. Rev. D