论文标题
生产$ z $玻色子的横截面测量值与$ \ sqrt {s} = 13 $ tev与Atlas detector联合使用$ pp $ collisions In $ pp $碰撞
Cross-section measurements for the production of a $Z$ boson in association with high-transverse-momentum jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
论文作者
论文摘要
与高透明型摩托车喷气机（$ p _ {\ Mathrm {t}}} \ geq 100 $ GEV）产生的$ z $玻色子的横截面测量值，并呈现为带电的勒普顿对（$ e^+e^+e^+e^+e^ - ，μ^+μ^ - $）。测量结果是使用$ \ sqrt {s} = 13 $ tev的Proton-Proton碰撞进行的，与LHC的Atlas实验收集的$ 139 $ fb $^{ - 1} $相对应。 $ z $玻色子与最接近的喷气机之间的角相关性的测量是在至少一个带有$ p _ {\ mathrm {t}}} \ geq 500 $ gev的事件中执行的。特别感兴趣的事件拓扑是在Dijet事件中的$ Z $ Boson的共线排放，以及$ Z $ boson对喷气式飞机的后退。将基准横截面与最先进的理论预测进行了比较。发现数据与NNLoJet的近级到次要订单预测一致，并且与近距离领先的多腿生成器MadGraph5_AMC@nlo和Sherpa相符。
Cross-section measurements for a $Z$ boson produced in association with high-transverse-momentum jets ($p_{\mathrm{T}} \geq 100$ GeV) and decaying into a charged-lepton pair ($e^+e^-,μ^+μ^-$) are presented. The measurements are performed using proton-proton collisions at $\sqrt{s}=13$ TeV corresponding to an integrated luminosity of $139$ fb$^{-1}$ collected by the ATLAS experiment at the LHC. Measurements of angular correlations between the $Z$ boson and the closest jet are performed in events with at least one jet with $p_{\mathrm{T}} \geq 500$ GeV. Event topologies of particular interest are the collinear emission of a $Z$ boson in dijet events and a boosted $Z$ boson recoiling against a jet. Fiducial cross sections are compared with state-of-the-art theoretical predictions. The data are found to agree with next-to-next-to-leading-order predictions by NNLOjet and with the next-to-leading-order multi-leg generators MadGraph5_aMC@NLO and Sherpa.
