分析笔记：使用存档的ALEPH数据进行喷注重建、能谱和子结构分析
Analysis note: jet reconstruction, energy spectra, and substructure analyses with archived ALEPH data
摘要：
首次测量了强子$Z$衰变中的反$k_{T}$喷流能谱和亚结构。存档的$e^+e^-$湮灭数据在一个中心的质量能量为91 GeV的ALEPH探测器在LEP收集于1994年。射流子结构作为射流能量的函数进行了分析。结果进行了比较与微扰QCD计算和预测PYTHIA v6.1，SHERPA，和HERWIG v7.1.5事件发生器。在本说明中，还记录了喷注重建程序、喷注能量校准以及使用存档ALEPH数据和蒙特卡罗模拟的性能。
英文摘要：
The first measurements of anti-$k_{T}$ jet energy spectrum and substructure in hadronic $Z$ decays are presented. The archived $e^+e^-$ annihilation data at a center-of-mass energy of 91 GeV were collected with the ALEPH detector at LEP in 1994. The jet substructure was analyzed as a function of jet energy. The results are compared with the perturbative QCD calculations and predictions from the PYTHIA v6.1, SHERPA, and HERWIG v7.1.5 event generators. In this note, jet reconstruction procedure, jet energy calibration, and the performance with archived ALEPH data and Monte Carlo simulations are also documented.
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