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Lattice simulations of Composite Higgs models/ Lattice Field Theory

复合希格斯模型/晶格场论的晶格模拟

基本信息

批准号：
2435961
负责人：
金额：
--
依托单位：
Plymouth University
依托单位国家：
英国
项目类别：
Studentship
财政年份：
2020
资助国家：
英国
起止时间：
2020 至无数据
项目状态：
未结题

来源：
https://gtr.ukri.org/projects?ref=studentship-2435961
关键词：
Lattice simulations Composite Higgs models

项目摘要

The project will investigate Beyond the Standard Model theories called Composite Higgs models. In these theories, the Higgs boson is not a fundamental particle but a composite one, a feature that allows the model to evade the naturalness problem. The composite scenarios have received considerable attention in the quest for new physics at modern accelerator facilities like the Large Hadron Collider (LHC).In Nature, only non-perturbative phenomena can explain bound states like the ordinary proton, which mass mostly comes from the binding energy of its constituents: the quarks. In Composite Higgs theories, tremendous efforts are being made to design extensions of the Standard Model that explain the mass and properties of the Higgs boson as a bound state.The lattice approach, used in this project, is a very successful first principle method that allows to solve Gauge Theories in the non-perturbative regime. Calculations resort to large scale simulations and are typically run on the largest supercomputers. Lattice simulations are a unique tool to explore non perturbative phenomena in theories which cannot be analytically solved.In this project we will use lattice simulations to explore new non perturbative dynamics and provide quantitative results that are relevant for modern experiments. Our results will inform searches for new physics performed at the LHC and test the viability of this new class of models.The candidate will be involved in all the aspects of the project, ranging from simulations, to data analysis, together with development of analytical tools in quantum field theories.

该项目将研究被称为复合希格斯模型的标准模型理论之外的问题。在这些理论中，希格斯玻色子不是基本粒子，而是复合粒子，这一特征使模型能够避开自然度问题。在大型强子对撞机(LHC)等现代加速器设施中，在寻找新物理的过程中，复合场景受到了相当大的关注。在自然界中，只有非微扰现象才能解释像普通质子那样的束束态，这些质子的质量主要来自其组成部分：夸克的结合能。在复合Higgs理论中，人们正在努力设计标准模型的扩展，将Higgs玻色子的质量和性质解释为束缚态。格子方法是一个非常成功的第一原理方法，它允许在非微扰区域求解规范理论。计算求助于大规模模拟，通常在最大的超级计算机上运行。格子模拟是探索理论中无法解析解决的非微扰现象的独特工具。在这个项目中，我们将使用格子模拟来探索新的非微扰动力学，并提供与现代实验相关的定量结果。我们的结果将有助于在大型强子对撞机上进行新物理的搜索，并测试这类新模型的可行性。候选人将参与该项目的所有方面，从模拟到数据分析，以及量子场论分析工具的开发。