Support for LIGO Data Analysis and Instrumentation Research at the University of Texas Rio Grande Valley
支持德克萨斯大学格兰德河谷分校的 LIGO 数据分析和仪器研究
基本信息
- 批准号:2207999
- 负责人:
- 金额:$ 32万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-06-01 至 2025-05-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Since detecting gravitational waves (GW) for the first time in 2015, efforts have shifted towards making NSF's Laser Interferometric Gravitational-Wave Observatory (LGO) a part of multi-messenger astronomy observations that are changing our understanding of astrophysics and cosmology. In order to look farther and more precisely at the universe with gravitational wave observatories, advances in detector instrumentation and calibration must be pursued. The scientific payoff from such improvements will be enormous but extending the scientific reach of LIGO also becomes more challenging with every generation of GW detectors. This award supports research to improve the accuracy of the length response from the advanced LIGO detectors, so as to improve the wide-band response calibration of the detectors for incoming gravitational waves. At the same time, studies are supported to investigate and mitigate the effects of Newtonian Noise that are created through turbulent airflow or movement of masses in the vicinity of the detectors. In addition to its impact on our fundamental understanding of the Universe, the funded research is also a great opportunity to train graduate students in UTRGVs new Physics PhD program in GW research and strengthen the STEM workforce.With the upcoming O4 run of the LIGO detectors, the detection of other types of sources and even unknown ones is becoming more likely. With the goal of significantly increasing the science reach of the advanced detectors, the team will work on projects in the following major areas. Instrumentation: improvements in the area of the Photon Calibrators to determine the exact length response for the aLIGO interferometer configuration, in essence the calibration of the measured gravitational wave amplitude, by improving the Photon Calibrator (PCal) response through enhancements of the absolute power measurement and calibration of the PCal system and through improvements of the theoretical model of the gravitational wave calibration. Noise characterization: the development of a numerical model to generate realistic finely sampled temperature fields and run a full hydrodynamic simulation, to determine the frequency distribution of turbulent vortices, and to see how turbulent airflow acts back on the detector sensitivity.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
自2015年首次探测到引力波(GW)以来,NSF的激光干涉引力波天文台(LGO)已经成为多信使天文学观测的一部分,这些观测正在改变我们对天体物理学和宇宙学的理解。为了用引力波天文台更远更精确地观测宇宙,必须在探测器仪器和校准方面取得进展。 这些改进的科学回报将是巨大的,但随着每一代GW探测器的出现,扩大LIGO的科学范围也变得更具挑战性。该奖项支持提高先进LIGO探测器长度响应精度的研究,以提高探测器对入射引力波的宽带响应校准。同时,研究支持调查和减轻牛顿噪声的影响,这些噪声是通过湍流气流或探测器附近的质量运动产生的。除了它对我们对宇宙的基本理解的影响外,资助的研究也是一个很好的机会,可以培养研究生在UTRGV新的GW研究物理学博士课程中,并加强STEM劳动力。随着LIGO探测器即将运行的O4,探测其他类型的源,甚至未知的源变得越来越有可能。为了显著提高先进探测器的科学覆盖范围,该团队将在以下主要领域开展项目。仪器:在光子校准器领域的改进,以确定aLIGO干涉仪配置的精确长度响应,本质上是测量的引力波振幅的校准,通过增强绝对功率测量和PCal系统的校准以及通过改进引力波校准的理论模型来改进光子校准器(PCal)响应。噪声特性:开发数值模型以生成逼真的精细采样温度场并运行完整的流体动力学模拟,以确定湍流涡流的频率分布,并观察湍流气流如何对探测器灵敏度产生影响。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Model-based Cross-correlation Search for Gravitational Waves from the Low-mass X-Ray Binary Scorpius X-1 in LIGO O3 Data
基于模型的互相关搜索 LIGO O3 数据中低质量 X 射线双星 Scorpius X-1 的引力波
- DOI:10.3847/2041-8213/aca1b0
- 发表时间:2022
- 期刊:
- 影响因子:0
- 作者:Abbott R.;et al.;(The LIGO Scientific Collaboration;the Virgo Collaboration;and the KAGRA Collaboration)
- 通讯作者:and the KAGRA Collaboration)
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Volker Quetschke其他文献
Volker Quetschke的其他文献
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{{ truncateString('Volker Quetschke', 18)}}的其他基金
REU and RET Site in Physics at UTRGV
UTRGV 物理 REU 和 RET 站点
- 批准号:
2244167 - 财政年份:2023
- 资助金额:
$ 32万 - 项目类别:
Standard Grant
Support for LIGO Data Analysis and Instrumentation Research at the University of Texas Rio Grande Valley
支持德克萨斯大学格兰德河谷分校的 LIGO 数据分析和仪器研究
- 批准号:
1912630 - 财政年份:2019
- 资助金额:
$ 32万 - 项目类别:
Continuing Grant
REU and RET Site in Physics at UTRGV
UTRGV 物理 REU 和 RET 站点
- 批准号:
1757830 - 财政年份:2018
- 资助金额:
$ 32万 - 项目类别:
Continuing Grant
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