LHCb上非对称重夸克强子产生：预言和应用
Asymmetric heavy-quark hadroproduction at LHCb: Predictions and applications
摘要：
我们提出了一个唯象分析的不对称底夸克和粲夸克生产的LHCb接受相关的$pp$碰撞在$\sqrt{s} = 13 \, {\rm TeV}$。预测提供了两个反$k_t$底部和魅力喷流对，这是保持差异相对于不变质量的喷流对。它是量化的数据在这个区域可以提供灵敏度的耦合的$Z$玻色子的重夸克，我们调查什么精度是需要竞争的LEP。我们还讨论了如何不对称性和速率测量可以提供约束的一个特定类别的新物理模型，其中包含规范玻色子与轻/重夸克和质量的顺序$100 \, {\rm GeV}$的小/中等耦合。得到的预测，包括所有相关的QCD和QED/弱的贡献下一个领先的顺序，这已经实现了Fortran代码，允许直接计算的非对称截面。我们提供了所有相关的分析公式为我们的计算。
英文摘要：
We present a phenomenological analysis of asymmetric bottom- and charm-quark production within the LHCb acceptance relevant for $pp$ collisions at $\sqrt{s} = 13 \, {\rm TeV}$. Predictions are provided for both anti-$k_t$ bottom- and charm-jet pairs, which are kept differentially with respect to the invariant mass of the jet pair. It is quantified how data in this region can provide sensitivity to the couplings of the $Z$ boson to heavy quarks, and we investigate what precision is needed to compete with LEP. We also discuss how asymmetry and rate measurements can provide constraints on a particular class of new-physics models, which contains gauge bosons with small/moderate couplings to light/heavy quarks and masses of the order of $100 \, {\rm GeV}$. Predictions are obtained including all relevant QCD and QED/weak contributions up to next-to-leading order, which have been implemented in a Fortran code which allows to directly compute the asymmetric cross sections. We provide all relevant analytic formulas for our computations.
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