Research in Particle Physics Phenomenology

理解最小尺度和高能量的物理是目前粒子理论的主要挑战之一。如果在标准模型之外存在新的力，就应该有新的粒子，我们应该能够在大型强子对撞机上创造出新的粒子。在许多已经提出的场景中，新粒子很难找到，因为制造它们的横截面很小，而新物理信号事件的结构看起来与具有更大横截面的标准模型事件非常相似。因此，人们需要从类似的标准模型背景事件中区分出与新物理场景相对应的信号事件。为了最好地做到这一点，我们需要在事件的详细子结构中使用信号和背景之间的差异。为此，人们提出了新的重建技术。该项目的目的是开发新的射流子结构技术，以改进新共振的搜索策略，并改进共振特性的测量。为了测试新开发技术的成功，该项目将需要使用完整的事件生成器模拟新的物理场景。由于项目的及时性，我们设想与实验组进行强烈的互动。杜伦粒子物理现象学研究所（IPPP）在射流子结构的新领域和开发新的物理共振的搜索策略方面具有杰出的专业知识。因此，这是一个理想的地方，这个及时的项目。

Understanding the physics at the smallest scale and high energy is one of the major present challenges in particle theory. If there are new forces beyond those of the Standard Model, there should be new particles and we should be able to create the new particles at the Large Hadron Collider. In many scenarios that have been proposed, the new particles are very difficult to find because the cross section for making them is small and the structure of new physics signal events looks rather similar to that of Standard Model events that have larger cross sections. Thus one needs to distinguish signal events corresponding to a new physics scenario that one is trying to find from similar Standard Model background events. To best do this, we need to use differences between signal and background in the detailed substructure of the events. For this purpose novel reconstruction techniques have been proposed. The aim of this project is to develop new jet substructure techniques to improve on search strategies for new resonances and to improve measurements of the resonance's properties. To test the success of the newly developed techniques, the project will entail the simulation of new physics scenarios using full event generators. Because of the timeliness of the project a strong interaction with experimental groups is envisioned. The Institute of Particle Physics Phenomenology (IPPP) in Durham has an outstanding expertise in the novel field of jet substructure and in developing search strategies for new physics resonances. Therefore, it is an ideal place for this timely project.