（2+1）维背景下的JEWEL及其在小系统和子结构中的应用
JEWEL on a (2+1)D background with applications to small systems and substructure
摘要：
高$p_T$喷流是表征重离子碰撞中产生夸克-胶子等离子体（QGP）的重要工具。然而，仍然缺乏对喷流-介质相互作用的精确理解，需要开发更复杂的观测数据。这项工作提出了一种工具，允许在各种碰撞系统中的替代高$p_T$可观的探索。该工具建立在公开可用的JEWEL Monte Carlo代码上，并允许在任何给定的（2+1）维背景上演化射流。还提出了概念验证观测量，研究使用最新版本的JEWEL，JEWEL-2.4.0。将射流的物理学与介质的物理学分离的简单性（同时仍然允许通常的JEWEL介质响应）允许容易的解释，而不需要复杂的参数化。使用RIVET工具包生成结果，该工具包允许透明保存和开发与实验方法兼容的分析。用于生成本文所示图表的代码和分析在Github存储库中公开提供，并提供最新的使用说明。这个工具预计将是有用的，广泛的射流物理界的研究，精密可观的射流。
英文摘要：
High-$p_T$ jets are an important tool for characterizing the quark-gluon plasma (QGP) created in heavy-ion collisions. However, a precise understanding of the jet-medium interaction is still lacking, and the development of more sophisticated observables is needed. This work presents a tool that allows for the exploration of alternative high-$p_T$ observables in a variety of collision systems. The tool builds on the publicly available JEWEL Monte Carlo code, and allows for the evolution of a jet on any given (2+1)-dimensional background. Proof-of-concept observables are also presented, studied using the latest version of JEWEL, JEWEL-2.4.0. The simplicity of the separation of the physics of the jet from the physics of the medium (while still allowing for the usual JEWEL medium-response), allows for easy interpretation without the need for complex parameterization. Results are produced using the RIVET toolkit, which allows for transparent preservation and development of analyses that are compatible with experimental methods. The code and analysis used to produce the plots presented here are made publicly available on a Github repository, with up-to-date usage instructions. This tool is expected to be useful to the broad jet-physics community for the study of precision observables for jets.
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