论文标题
$ t \ bar {t} b \ bar {b} $在qcd和$ b $ -JET建模的NLO预测
$t\bar{t}b\bar{b}$ predictions at NLO in QCD and $b$-jet modelling
论文作者
论文摘要
在此贡献中，我们报告了$ t \ bar {t} b \ bar {b} $的最新理论预测。这些结果是针对完全衰减的最终状态$ pp \ rightArrow e^+ t_eμ^ - ν_μB\ bar {b} b \ bar {b \ bar {b} $在QCD中的近订单准确度。我们提出了具有完整的外壳效应和狭窄宽度近似值的预测。具体而言，我们报告了NLO QCD校正的大小以及完整的外壳效果的大小。最后，我们研究了最终状态中存在的$ b $ jets的性质。
In this contribution we report on the latest theoretical predictions for $t\bar{t}b\bar{b}$. These results are obtained for the fully decayed final state $pp \rightarrow e^+ ν_e μ^- ν_μ b \bar{b} b \bar{b}$ at next-to-leading order accuracy in QCD. We present predictions with full off-shell effects and in the Narrow Width Approximation. Specifically, we report on the size of the NLO QCD corrections and the size of the full off-shell effects. Finally, we study the nature of the $b$-jets present in the final state.
