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首页> 外文期刊>The journal of high energy physics >Interpretation of vector-like quark searches: heavy gluons in composite Higgs models
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Interpretation of vector-like quark searches: heavy gluons in composite Higgs models

机译:诠释载体样夸克搜索:复合HIGGS模型中的重胶

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摘要

A bstract Pair production of new vector-like quarks in pp collisions is considered model independent as it is usually dominated by QCD production. We discuss the interpretation of vector-like quark searches in the case that QCD is not the only relevant production mechanism for the new quarks. In particular we consider the effect of a new massive color octet vector boson with sizeable decay branching ratio into the new quarks. We pay special attention to the sensitivity of the Large Hadron Collider experiments, both in run-1 and early run-2, to differences in the kinematical distributions from the different production mechanisms. We have found that even though there can be significant differences in some kinematical distributions at the parton level, the differences are washed out at the reconstruction level. Thus, the published experimental results can be reinterpreted in models with heavy gluons by simply rescaling the production cross section.
机译:Bstract对PP碰撞中的新载体样码头的生产被认为是独立的模型,因为它通常由QCD生产主导。在QCD不是新夸克的唯一相关的生产机制,我们讨论了对像样夸克搜索的解释。特别是我们考虑一种新的大型彩色八位字节向量玻色子对新夸克的大量衰减分支比的影响。我们特别关注大型强子撞机实验的敏感性,在运行1和早期运行2中,从不同的生产机制到运动分布的差异。我们发现,即使在Parton级别的某些运动分布中可能存在显着差异,差异也在重建水平处被冲出。因此,通过简单地重振生产横截面,可以通过重新粘附的型号重新涂上已发表的实验结果。

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