重建LHC上W玻色子辐射强子衰变的质量偏差
Mass biases in reconstructing exclusive radiative hadronic decays of W bosons at the LHC
摘要：
寻找唯一的强子矢量玻色子衰变是LHC计划的一个持续部分，到目前为止，还没有观察到这样的衰变。除了对分支比的内在兴趣之外，还有可能测量$W$玻色子质量，这与通常的方法截然不同。辐射衰变模式提供了很好的潜在渠道，这种搜索，但是，我们强调三个问题，它以前没有讨论过：粒子的错误识别，部分重建和干扰QCD的影响。这些问题导致数十或数百MeV/c $^2$的峰位偏移。
英文摘要：
The search for exclusive hadronic vector boson decays is an ongoing part of the LHC programme where, to date, no such decays have been observed. In addition to the intrinsic interest in the branching ratios, there is potential for a measurement of the $W$ boson mass quite distinct from the usual methods. The radiative decay modes offer good potential channels for this search; however, we highlight three issues with it not previously discussed: particle misidentification, partial reconstruction and the impact of interference with QCD. These issues cause shifts in the peak position of tens or hundreds of MeV/c$^2$.
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