New Approaches to Beyond Standard Model Searches with Colliders and Cosmology
利用对撞机和宇宙学超越标准模型搜索的新方法
基本信息
- 批准号:SAPIN-2018-00032
- 负责人:
- 金额:$ 3.64万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Subatomic Physics Envelope - Individual
- 财政年份:2019
- 资助国家:加拿大
- 起止时间:2019-01-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Large Hadron Collider (LHC) era presents us with a puzzle. Extensions to the Standard Model (SM) are as urgently needed as ever, but none of the canonically expected signals have shown up so far. Resolving this conundrum requires new perspectives on what types of signals are theoretically motivated and new approaches to experimental searches. This challenge and opportunity provides the unifying theme of my research in phenomenology.******Long-lived particles (LLPs) produced at colliders generically arise in many Beyond SM (BSM) scenarios and could reveal the secrets of naturalness, dark matter, and baryogenesis. In the past, the focus on signals inspired by minimal supersymmetry meant that LLPs received much less attention. This is now changing, in significant part due to my work. I am spearheading research into LLP signals at the LHC and am collaborating with experimentalists and theorists to help determine the roadmap of BSM searches for the coming decade.******Born from these investigations is our MATHUSLA detector proposal, which can increase LHC sensitivity to LLP signals by three orders of magnitude. Progress has been swift, and I am now helping to lead the efforts of over 100 theorists and experimentalists to make this idea a reality. Given MATHUSLA's potential for discovery the importance of this endeavor cannot be overstated, making it a major focus for me in the coming years. It also represents a unique opportunity for Canada to take on a leadership position in fundamental particle physics.******The discovery of the Higgs boson has opened up many exciting avenues of investigation for both SM and BSM physics.******Hidden Sectors can lead to a plethora of as-yet undetected collider signals, modify cosmology and even impact astrophysics. They are theoretically motivated for a variety of top-down and bottom-up reasons, but recently their potential to address the hierarchy problem has come into focus. Exotic Higgs decays are a unique portal to these theories at the LHC. Theories of Neutral Naturalness lead to spectacular LLP signals and are a major motivation for their study, but many aspects of their nonperturbative dynamics, theoretical UV completions, and cosmological consequences are not understood.******Study of the Higgs also allows us to begin probing the Electroweak Phase Transition, which is of fundamental importance for our understanding of cosmology, and may play a role in explaining the universe's matter-antimatter asymmetry via the mechanism of Electroweak Baryogenesis. This requires the introduction of new theoretical tools to deal with challenging aspects of Finite-Temperature Quantum Field Theory. Only by making calculations robust and model-independent can we conclusively discover or exclude these and other important theoretical ideas.******Finally, many BSM scenarios can only be probed at future colliders, and articulating this physics case will determine the future of our field in the coming decades.
大型强子对撞机(LHC)时代给我们带来了一个难题。对标准模型(SM)的扩展和以往一样迫切需要,但迄今为止还没有出现任何规范预期的信号。要解决这个难题,需要对哪些类型的信号是理论上有动机的新观点和实验搜索的新方法。这种挑战和机遇为我的现象学研究提供了统一的主题。对撞机产生的长寿命粒子(LLP)通常出现在许多超越SM(BSM)的场景中,可以揭示自然性,暗物质和重子生成的秘密。在过去,对受最小超对称性启发的信号的关注意味着LLP受到的关注要少得多。这种情况正在改变,很大程度上是由于我的工作。我在LHC带头研究LLP信号,并与实验学家和理论家合作,帮助确定未来十年BSM搜索的路线图。从这些调查中诞生的是我们的MATHUSLA探测器的建议,它可以增加LHC的灵敏度LLP信号的三个数量级。进展是迅速的,我现在正在帮助领导100多名理论家和实验家的努力,使这个想法成为现实。鉴于Mathusla的发现潜力,这一奋进的重要性不能被夸大,使其成为我未来几年的主要重点。这也是加拿大在基础粒子物理学领域占据领导地位的一个独特机会。希格斯玻色子的发现为SM和BSM物理学开辟了许多令人兴奋的研究途径。隐藏扇区可能会导致大量尚未被发现的对撞机信号,修改宇宙学,甚至影响天体物理学。从理论上讲,他们的动机是各种自上而下和自下而上的原因,但最近他们解决层次问题的潜力已经成为焦点。奇特的希格斯衰变是LHC中这些理论的独特入口。中性自然性理论导致了壮观的LLP信号,并且是他们研究的主要动机,但是他们的非微扰动力学,理论紫外线完成和宇宙学后果的许多方面都没有被理解。对希格斯玻色子的研究也使我们开始探索电弱相变,这对我们理解宇宙学具有根本的重要性,并可能通过电弱重子生成机制在解释宇宙的物质-反物质不对称性方面发挥作用。这就需要引入新的理论工具来应对低温量子场论的挑战性方面。只有使计算具有鲁棒性和模型独立性,我们才能最终发现或排除这些和其他重要的理论思想。最后,许多BSM场景只能在未来的对撞机上进行探测,阐明这个物理案例将决定我们在未来几十年的未来。
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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Curtin, David其他文献
Dynamical Dark Matter, MATHUSLA, and the lifetime frontier
动态暗物质、MATHUSLA 和生命前沿
- DOI:
10.1103/physrevd.98.115005 - 发表时间:
2018 - 期刊:
- 影响因子:5
- 作者:
Curtin, David;Dienes, Keith R.;Thomas, Brooks - 通讯作者:
Thomas, Brooks
Exotic decays of the 125 GeV Higgs boson
- DOI:
10.1103/physrevd.90.075004 - 发表时间:
2014-10-13 - 期刊:
- 影响因子:5
- 作者:
Curtin, David;Essig, Rouven;Zhong, Yi-Ming - 通讯作者:
Zhong, Yi-Ming
Curtin, David的其他文献
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{{ truncateString('Curtin, David', 18)}}的其他基金
New Approaches to Beyond Standard Model Searches with Colliders and Cosmology
使用碰撞器和宇宙学超越标准模型搜索的新方法
- 批准号:
SAPIN-2018-00032 - 财政年份:2022
- 资助金额:
$ 3.64万 - 项目类别:
Subatomic Physics Envelope - Individual
Theoretical Particle Physics
理论粒子物理
- 批准号:
CRC-2018-00086 - 财政年份:2022
- 资助金额:
$ 3.64万 - 项目类别:
Canada Research Chairs
Theoretical Particle Physics
理论粒子物理
- 批准号:
CRC-2018-00086 - 财政年份:2021
- 资助金额:
$ 3.64万 - 项目类别:
Canada Research Chairs
New Approaches to Beyond Standard Model Searches with Colliders and Cosmology
使用碰撞器和宇宙学超越标准模型搜索的新方法
- 批准号:
SAPIN-2018-00032 - 财政年份:2021
- 资助金额:
$ 3.64万 - 项目类别:
Subatomic Physics Envelope - Individual
New Approaches to Beyond Standard Model Searches with Colliders and Cosmology
使用碰撞器和宇宙学超越标准模型搜索的新方法
- 批准号:
SAPIN-2018-00032 - 财政年份:2020
- 资助金额:
$ 3.64万 - 项目类别:
Subatomic Physics Envelope - Individual
Theoretical Particle Physics
理论粒子物理
- 批准号:
1000232253-2018 - 财政年份:2020
- 资助金额:
$ 3.64万 - 项目类别:
Canada Research Chairs
Theoretical Particle Physics
理论粒子物理
- 批准号:
1000232253-2018 - 财政年份:2019
- 资助金额:
$ 3.64万 - 项目类别:
Canada Research Chairs
New Approaches to Beyond Standard Model Searches with Colliders and Cosmology
利用对撞机和宇宙学超越标准模型搜索的新方法
- 批准号:
SAPIN-2018-00032 - 财政年份:2018
- 资助金额:
$ 3.64万 - 项目类别:
Subatomic Physics Envelope - Individual
Theoretical Particle Physics
理论粒子物理
- 批准号:
1000232253-2018 - 财政年份:2018
- 资助金额:
$ 3.64万 - 项目类别:
Canada Research Chairs
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