论文标题
Lepton-Quark Fusion在HADRON COLLIDER上，正是
Lepton-Quark Fusion at Hadron Colliders, precisely
论文作者
论文摘要
当TeV规模的Leptoquark具有相当大的Yukawa耦合时，其在Hadron Colliders的主要生产机制是Particonic级Lepton-Quark Fusion。即使质子内的瘦素的Parton分布功能很小，它们也会通过谐振增强而获得补偿。我们向大型强子对撞机（LHC）的共振链球生产横截面进行了首次计算高阶辐射校正。近距离领先（NLO）QCD和QED校正的大小相似，但带有相反的符号。我们计算NLO $ k $ factors，用于广泛的标量leptoquark群众，以及夸克和Lepton Flavors和Leptoquark费用的所有可能组合。量化了重新归当化和分解量表的变化以及对Parton分布函数的有限知识引起的理论不确定性。最终，我们讨论了如何通过利用不同生产通道之间的相互作用来消除Leptoquark相互作用的风味结构。
When a TeV-scale leptoquark has a sizeable Yukawa coupling, its dominant production mechanism at hadron colliders is the partonic-level lepton-quark fusion. Even though the parton distribution functions for leptons inside the proton are minuscule, they get compensated by the resonant enhancement. We present the first computation of higher order radiative corrections to the resonant leptoquark production cross section at the Large Hadron Collider (LHC). Next-to-leading (NLO) QCD and QED corrections are similar in size but come with the opposite sign. We compute NLO $K$-factors for a wide range of scalar leptoquark masses, as well as, all possible combinations of quark and lepton flavors and leptoquark charges. Theoretical uncertainties due to the renormalisation and factorisation scale variations and the limited knowledge of parton distribution functions are quantified. We finally discuss how to disentangle the flavor structure of leptoquark interactions by exploiting the interplay between different production channels.
