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arXiv 1706.01702hep-ex
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在$\sqrt{s}=8$ TeV与ATLAS的PDMATHAAB碰撞中用强子衰变玻色子重建为一个或两个喷流的$WW/WZ \to \ell νq q^{\prime}$产生的测量和对反常规范耦合的约束

Measurement of $WW/WZ \to \ell νq q^{\prime}$ production with the hadronically decaying boson reconstructed as one or two jets in $pp$ collisions at $\sqrt{s}=8$ TeV with ATLAS, and constraints on anomalous gauge couplings

ATLAS Collaboration

摘要:

本文研究了$WW$或$WZ$玻色子对的产生,其中一个$W$玻色子衰变为$eν$或$μν$,另一个$W$或$Z$玻色子衰变为强子。分析使用20.2 fb的$^{-1}$的$\sqrt{s}=8$ TeV的$pp$碰撞数据,收集的ATLAS探测器在大型强子对撞机。在接近实验事件选择限定的高$p_{T}$基准区域中测量$WW/WZ$产生的横截面。的横截面测量的情况下,强子衰变玻色子被重建为两个解决的喷流,和的情况下,它被重建为一个单一的喷流。强子衰变玻色子的横动量分布被用来寻找新的物理。观测结果与标准模型的预测是一致的,并且计算了描述异常三重规范玻色子耦合的参数的$95\%$置信区间。

英文摘要:

This paper presents a study of the production of $WW$ or $WZ$ boson pairs, with one $W$ boson decaying to $eν$ or $μν$ and one $W$ or $Z$ boson decaying hadronically. The analysis uses 20.2 fb$^{-1}$ of $\sqrt{s}=8$ TeV $pp$ collision data, collected by the ATLAS detector at the Large Hadron Collider. Cross-sections for $WW/WZ$ production are measured in high-$p_{T}$ fiducial regions defined close to the experimental event selection. The cross-section is measured for the case where the hadronically decaying boson is reconstructed as two resolved jets, and the case where it is reconstructed as a single jet. The transverse momentum distribution of the hadronically decaying boson is used to search for new physics. Observations are consistent with the Standard Model predictions, and $95\%$ confidence intervals are calculated for parameters describing anomalous triple gauge-boson couplings.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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