Bridging grant application for ATLAS-Canada: Electroweak multi-boson interactions at the Large Hadron Collider
ATLAS-Canada 的过渡拨款申请:大型强子对撞机的电弱多玻色子相互作用
基本信息
- 批准号:SAPPJ-2021-00023
- 负责人:
- 金额:$ 2.19万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Subatomic Physics Envelope - Project
- 财政年份:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Standard Model (SM) of particle physics provides the current best description of elementary particles and their interactions. However, there are many phenomena that are outside the scope of the SM. Particle interactions are mediated by four forces: strong, weak, electromagnetic, and gravitational. The strong, weak, and electromagnetic forces are mediated by so-called gauge bosons: gluons, W and Z bosons, and photons, respectively. At the high energies probed in proton-proton collisions at the Large Hadron Collider (LHC) at CERN, the weak and electromagnetic forces are unified into the electroweak force. The LHC allows us to probe the intricate details of electroweak interactions at the highest-ever energy scales with unprecedented precision. Furthermore, the required extensions to the SM to explain dark matter and the matter-antimatter asymmetry of the universe are intimately tied to modifications of SM electroweak interactions, and the LHC provides the richest environment in which to probe these interactions. This grant will enable me to lead a new research programme at the LHC to answer fundamental questions about electroweak interactions. The production of multiple gauge bosons in electroweak interactions in pp collisions is extremely rare but precisely predicted by the SM. As such, any existing multi-boson measurements are currently limited in experimental precision, and our understanding of these processes is markedly limited. It is therefore possible that new physics phenomena that couple to these particles could be revealed through the study of such processes. New particles at the TeV energy scale, out of reach from direct searches at the LHC, can alter the rate or kinematics of multi-boson processes. I will spearhead the effort to perform a combined effective field theory fit of the three measurements that are sensitive to the interaction between two W bosons and two photons. This combination will provide optimal sensitivity to any as-of-yet undiscovered particles, as well as showing any areas where such particles could be hidden from our searches. Identifying these uncovered areas will help inform our future measurements - and preparations for Run 3. Additionally, I will contribute to the ATLAS Trigger software for Run 3 and beyond. I have worked on the trigger since January 2017, and have made significant contributions towards increasing the breadth of signal topologies we recorded in Run 2. In Run 3, the high-level trigger software will run multithreaded, and a significant amount of work is necessary to complete and commission the software. I will work on designing and optimizing the overall event selection for Run 3 to ensure we can maintain the overall high quality of data ATLAS recorded in Runs 1 and 2.
粒子物理学的标准模型(SM)提供了目前对基本粒子及其相互作用的最佳描述。然而,有许多现象超出了SM的范围。粒子的相互作用由四种力介导:强、弱、电磁和引力。强、弱和电磁力分别由所谓的规范玻色子(胶子、W和Z玻色子以及光子)介导。在欧洲核子研究中心的大型强子对撞机(LHC)的质子-质子碰撞中探测到的高能量下,弱力和电磁力统一为电弱力。大型强子对撞机使我们能够以前所未有的精度探测有史以来最高能量尺度下电弱相互作用的复杂细节。此外,解释暗物质和宇宙的物质-反物质不对称性所需的SM扩展与SM电弱相互作用的修改密切相关,LHC提供了探测这些相互作用的最丰富的环境。这笔赠款将使我能够在LHC领导一个新的研究项目,以回答有关电弱相互作用的基本问题。多规范玻色子在pp碰撞的电弱相互作用中的产生是极其罕见的,但精确地预测了SM。因此,任何现有的多玻色子测量目前在实验精度上都是有限的,我们对这些过程的理解也明显有限。因此,通过对这些过程的研究,有可能揭示与这些粒子耦合的新物理现象。在TeV能量尺度上的新粒子,在LHC的直接搜索范围之外,可以改变多玻色子过程的速率或运动学。 我将带头努力执行一个组合的有效场理论适合的三个测量是敏感的两个W玻色子和两个光子之间的相互作用。这种组合将为任何尚未发现的粒子提供最佳灵敏度,并显示任何可能隐藏这些粒子的区域。识别这些未覆盖的区域将有助于为我们未来的测量和运行3的准备提供信息。此外,我将为运行3及以后的ATLAS触发器软件做出贡献。我自2017年1月以来一直在研究触发器,并为增加我们在运行2中记录的信号拓扑的广度做出了重大贡献。在运行3中,高级触发器软件将运行多线程,并且完成和调试软件需要大量的工作。我将致力于设计和优化运行3的整体事件选择,以确保我们能够保持在2011年和2012年记录的数据ATLAS的整体高质量。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Russell, Heather其他文献
Measuring the effects of toys on the problem-solving, creative and social behaviours of preschool children
- DOI:
10.1080/03004430.2010.503892 - 发表时间:
2011-01-01 - 期刊:
- 影响因子:1.4
- 作者:
Trawick-Smith, Jeffrey;Russell, Heather;Swaminathan, Sudha - 通讯作者:
Swaminathan, Sudha
Multicenter Validation of Deep Learning Algorithm ROP.AI for the Automated Diagnosis of Plus Disease in ROP.
- DOI:
10.1167/tvst.12.8.13 - 发表时间:
2023-08-01 - 期刊:
- 影响因子:3
- 作者:
Bai, Amelia;Dai, Shuan;Hung, Jacky;Kirpalani, Aditi;Russell, Heather;Elder, James;Shah, Shaheen;Carty, Christopher;Tan, Zachary - 通讯作者:
Tan, Zachary
Russell, Heather的其他文献
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{{ truncateString('Russell, Heather', 18)}}的其他基金
Magnetic flux noise in SQUID devices
SQUID 设备中的磁通量噪声
- 批准号:
366730-2008 - 财政年份:2008
- 资助金额:
$ 2.19万 - 项目类别:
University Undergraduate Student Research Awards
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