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Searches for Heavy Resonances with Substructure
Annual Review of Nuclear and Particle Science ( IF 12.4 ) Pub Date : 2022-08-01 , DOI: 10.1146/annurev-nucl-102419-055402
Petar Maksimović 1
Affiliation  

In the past decade, the Large Hadron Collider (LHC) has probed a higher energy scale than ever before. Most models of physics beyond the standard model (BSM) predict the production of new heavy particles; the LHC results have excluded lower masses of such particles. This makes the high-mass regions especially interesting for current and future searches. In most BSM scenarios of interest, the new heavy resonances decay to standard model particles. In a subset of these models, the new particles have large couplings to the top quark, the W and Z bosons, or the Higgs boson. The top quark and W, Z, and Higgs bosons often decay to quarks, giving rise to jets of particles with substructure; event selection based on substructure is used to suppress standard model backgrounds. This review covers the key concepts in experimental searches based on the jet substructure and discusses recent results from the ATLAS and CMS experiments.

中文翻译:

搜索与下部结构的强烈共振

在过去的十年中,大型强子对撞机(LHC)探测到了比以往更高的能量尺度。标准模型(BSM)之外的大多数物理模型都预测新重粒子的产生;大型强子对撞机的结果排除了质量较低的此类粒子。这使得高质量区域对于当前和未来的搜索特别有趣。在大多数感兴趣的 BSM 场景中,新的重共振衰减为标准模型粒子。在这些模型的一个子集中,新粒子与顶夸克、W 和 Z 玻色子或希格斯玻色子有很大的耦合。顶夸克以及W、Z和希格斯玻色子经常衰变成夸克,产生具有子结构的粒子射流;基于子结构的事件选择用于抑制标准模型背景。这篇综述涵盖了基于射流子结构的实验搜索的关键概念,并讨论了 ATLAS 和 CMS 实验的最新结果。
更新日期:2022-08-01
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