RUI: Implications of Non-Minimal Dark Sectors
RUI:非最小暗区的影响
基本信息
- 批准号:1720430
- 负责人:
- 金额:$ 12万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-08-01 至 2021-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Overwhelming evidence suggests that the majority of the matter in our universe consists of a mysterious form of matter that neither emits nor absorbs light, but yet makes its presence felt via its gravitational pull on normal matter. The nature and origin of this "dark matter" continue to elude us; moreover, recent experimental results have begun to call into question a lot of the canonical ideas about what this dark matter might be. The research supported by this award aims to address this "dark-matter problem" on two fronts. The first involves the development of viable, testable alternative proposals as to what the dark matter might be. The second involves proposing novel experimental methods for probing the properties of the dark matter and assessing (typically through computer simulations) what these methods could potentially reveal about the properties of the dark matter. A significant portion of this award will support undergraduate involvement in this research topic, thereby cultivating interest among the next generation of scientists and honing their computational skills.The aim of the research supported by this award is to study the theory and phenomenology of non-traditional and non-minimal dark-matter scenarios in an effort to better understand the full range of viable possibilities for the dark sector. This research program has two facets. The first is to identify viable alternatives to the traditional picture of dark matter which are consistent with current experimental and observational constraints. The second is to investigate the phenomenological and cosmological consequences of such alternative dark-matter models with an eye toward experimental or observational signatures which could serve to distinguish such alternative dark-matter models from their traditional counterparts. One promising strategy is to look for evidence of non-standard particle kinematics at colliders, at direct-detection experiments, and at astrophysical probes of dark matter. A significant portion of this effort will be focused on non-minimal dark-matter scenarios within the Dynamical Dark Matter (DDM) framework. Within the DDM framework, the dark-matter candidate is an ensemble comprising a potentially vast number of individual particle species whose decay widths are balanced against their cosmological abundances across the ensemble in such a way that all phenomenological constraints are satisfied.
压倒性的证据表明,我们宇宙中的大多数物质都是由一种神秘的物质形式组成的,这种物质既不发光也不吸收光,但通过对正常物质的引力作用,它的存在被感觉到。 这种“暗物质”的性质和起源仍然让我们难以捉摸;此外,最近的实验结果已经开始质疑许多关于这种暗物质可能是什么的经典想法。 该奖项支持的研究旨在从两个方面解决这个“暗物质问题”。 第一个是关于暗物质可能是什么的可行的、可测试的替代方案的发展。 第二个涉及提出新的实验方法来探测暗物质的性质,并评估(通常通过计算机模拟)这些方法可能揭示暗物质的性质。 该奖项的一个重要部分将支持本科生参与这一研究课题,从而培养下一代科学家的兴趣和磨练他们的计算能力。该奖项支持的研究的目的是研究非传统和非最小暗物质场景的理论和现象学,以更好地理解暗区的全部可行可能性。 这项研究计划有两个方面。 第一个是确定传统暗物质图像的可行替代方案,这些方案符合当前的实验和观测限制。第二个是调查这种替代暗物质模型的现象学和宇宙学后果,着眼于实验或观测特征,这些特征可以用来区分这种替代暗物质模型与传统模型。一个有希望的策略是在对撞机、直接探测实验和暗物质的天体物理探测器上寻找非标准粒子运动学的证据。 这项工作的很大一部分将集中在动态暗物质(DDM)框架内的非最小暗物质场景上。在DDM框架内,暗物质候选者是一个集合,包括潜在的大量的单个粒子物种,其衰变宽度与整个集合的宇宙学丰度相平衡,从而满足所有现象学约束。
项目成果
期刊论文数量(7)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nonminimal dark sectors: Mediator-induced decay chains and multijet collider signatures
- DOI:10.1103/physrevd.101.075024
- 发表时间:2019-10
- 期刊:
- 影响因子:5
- 作者:K. Dienes;Doojin Kim;Huayang Song;S. Su;B. Thomas;David Yaylali
- 通讯作者:K. Dienes;Doojin Kim;Huayang Song;S. Su;B. Thomas;David Yaylali
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
Enlarging the space of viable inflation models: A slingshot mechanism
扩大可行的通货膨胀模型的空间:弹弓机制
- DOI:10.1103/physrevd.100.083516
- 发表时间:2019
- 期刊:
- 影响因子:5
- 作者:Dienes, Keith R.;Kost, Jeff;Thomas, Brooks
- 通讯作者:Thomas, Brooks
Deciphering the archaeological record: Cosmological imprints of nonminimal dark sectors
- DOI:10.1103/physrevd.101.123511
- 发表时间:2020-01
- 期刊:
- 影响因子:5
- 作者:K. Dienes;F. Huang;Jeff Kost;S. Su;B. Thomas
- 通讯作者:K. Dienes;F. Huang;Jeff Kost;S. Su;B. Thomas
Cosmological constraints on unstable particles: Numerical bounds and analytic approximations
- DOI:10.1103/physrevd.99.043513
- 发表时间:2018-10
- 期刊:
- 影响因子:5
- 作者:K. Dienes;J. Kumar;Patrick Stengel;B. Thomas
- 通讯作者:K. Dienes;J. Kumar;Patrick Stengel;B. Thomas
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Brooks Thomas其他文献
h→μ+μ− via tt¯h production at the LHC
h→μ+μ− 通过大型强子对撞机上的 tt´h 生产
- DOI:
- 发表时间:
2009 - 期刊:
- 影响因子:0
- 作者:
Shufang Su;Brooks Thomas - 通讯作者:
Brooks Thomas
<math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll" class="math"><mi>h</mi><mo>→</mo><msup><mi>μ</mi><mo>+</mo></msup><msup><mi>μ</mi><mo>−</mo></msup></math> via <math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.gif" overflow="scroll" class="math"><mi>t</mi><mover accent="true"><mi>t</mi><mo>¯</mo></mover><mi>h</mi></math> production at the LHC
- DOI:
10.1016/j.physletb.2009.05.027 - 发表时间:
2009-06-29 - 期刊:
- 影响因子:
- 作者:
Shufang Su;Brooks Thomas - 通讯作者:
Brooks Thomas
Brooks Thomas的其他文献
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{{ truncateString('Brooks Thomas', 18)}}的其他基金
RUI: Implications of Non-Minimal Dark Sectors
RUI:非最小暗区的影响
- 批准号:
2310622 - 财政年份:2023
- 资助金额:
$ 12万 - 项目类别:
Standard Grant
RUI: New Directions in Dark Matter and Cosmology
RUI:暗物质和宇宙学的新方向
- 批准号:
2014104 - 财政年份:2020
- 资助金额:
$ 12万 - 项目类别:
Continuing Grant
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