IRES Track I: Development of the Neutron Optics Parity and Time Violation Experiment in Japan

IRES Track I:日本中子光学宇称和时间违反实验的进展

基本信息

项目摘要

This IRES Track I proposal will send three cohorts of six U.S. undergraduate students and one U.S. graduate student to Nagoya University, Japan for research and development experiments in conjunction with the existing Japan/US ``Neutron Optics Parity and Time Reversal EXperiment'' (NOPTREX) collaboration. The goal of these experiments is to investigate the physical mechanism responsible for the conversion of antimatter into matter in the early universe. This is one of the outstanding questions in particle and nuclear physics and cosmology, because the Big Bang theory requires matter and antimatter to have been created in equal parts, although now, we do not observe significant quantities of antimatter in the visible universe.Five collaborating institutions: University of Kentucky, Indiana University, Berea College, Eastern Kentucky University, and Western Kentucky University will recruit participants from their respective institutions to work together as a student team/cohort. Three of the institutions operate nuclear physics accelerator facilities with neutron sources for student training, and the other two possess outstanding undergraduate physics programs that draw undergraduates from Appalachia. An innovative aspect of this proposal is that participants will be recruited during the summer prior to the international experience and will receive extensive training with their advisor at their home institution before travelling to Japan. This personalized academic year-long training will prepare the students to make meaningful contributions in a highly technical field and give them extra time to study the Japanese language and culture.The program will directly train a new generation of talented physicists skilled at working in international collaborations and conducting team-based science. The small scale of the NOPTREX experiment and its use of techniques from many subfields of physics lends itself to hands-on student participation and the development of a broad understanding of physical principles and experimental techniques. Special consideration will be given to women, Appalachian, first-generation, and underrepresented minorities. Students chosen for the program will enjoy a rich intellectual research experience using the most advanced instrumentation currently available and will gain world-class skills in precision measurements with low-energy neutrons in an international collaborative setting. As a result, the program will strengthen intellectual and cultural ties between the nuclear science programs of the US and Japan both for the immediate future and in the rising generation of nuclear physicists.The scientific goal of the NOPTREX collaboration is to conduct a new type of sensitive search for time reversal symmetry violation in polarized neutron transmission through polarized nuclei. The discovery of a new source of time reversal violation in neutron-nucleus interactions would uncover new physics beyond the Standard Model of particle physics and could elucidate the origin of the baryon asymmetry of the Universe. This experiment exploits special properties of low energy neutron-nucleus resonances, which can act as a natural amplifier of parity and time reversal violation. The design of the experimental apparatus directly embodies and exploits the principle of motion-reversal symmetry to conduct a sensitive search. The Japanese Spallation Neutron Source (JSNS) at the Japan Proton Accelerator Research Complex (J-PARC) is well-suited to host this experiment and will be an ideal backdrop for an international research experience for our students. Several measurements toward the NOPTREX goals have already been completed both at J-PARC and Los Alamos National Laboratory (LANL).An innovative aspect of this proposal is the extensive individualized, academic-year training for each student prior to conducting nuclear physics research in Japan. It builds on the highly collaborative work environment centered around both the US multi-institutional team-based R&D experiments at LANL and the international collaborative experiments being performed at J-PARC. Each US institution contributes specialized hardware expertise and will provide personalized training to IRES participants during the full academic year to prepare them for specific tasks during their research in Japan. Participants will learn collaborative skills and bond as they share their progress with each other and their Japanese mentors in weekly collaboration video conference meetings during the academic year. Cohort building, scientific training, and cultural awareness will be consolidated during two in-person collaboration/training meetings before travel to Japan.The students will perform 10 weeks of summer research at Nagoya University under the supervision of Professors Hirohiko Shimizu, Masaaki Kitaguchi, and Takuya Okudaira, with the aid of one US graduate participant. Student research will be integrated in their Fundamental Neutron Physics research group, which is the largest in Japan. Students will test experimental hardware using the low energy neutron test facility at Nagoya University. They will take a short trip to J-PARC and analyze data collected on the ANNRI beamline at J-PARC. This program is underpinned by our longstanding Japan/US collaborative relationship and our solid record of training students who have worked on the project and conducted NOPTREX research in Japan.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.
IRES第一轨道的这一提议将派遣三批六名美国本科生和一名美国研究生前往日本名古屋大学,与现有的日本/美国"中子光学宇称和时间延迟实验“(NOPTREX)合作进行研究和开发实验。 这些实验的目的是研究早期宇宙中反物质转化为物质的物理机制。 这是粒子和核物理学以及宇宙学中悬而未决的问题之一,因为大爆炸理论要求物质和反物质是以相等的比例被创造出来的,尽管现在,我们在可见宇宙中没有观察到大量的反物质。五个合作机构:肯塔基州大学,印第安纳州大学,伯里亚学院,东肯塔基州大学,和西肯塔基州大学将从各自的机构招募参与者,作为一个学生团队/队列一起工作。 其中三个机构经营核物理加速器设施与中子源的学生培训,和其他两个拥有优秀的本科物理课程,吸引本科生从阿巴拉契亚。 该提案的一个创新方面是,参与者将在国际经验之前的夏季招募,并将在前往日本之前在其所在机构与其顾问一起接受广泛的培训。 通过为期一年的个性化的学术培训,学生们将为在高技术领域做出有意义的贡献做好准备,并有额外的时间学习日本语言和文化。该计划将直接培养新一代有才华的物理学家,他们擅长在国际合作中工作,并以团队为基础进行科学研究。NOPTREX实验的小规模和它使用的技术从物理学的许多子领域本身动手的学生参与和物理原理和实验技术的广泛理解的发展。将特别考虑妇女,阿巴拉契亚,第一代和代表性不足的少数民族。 选择参加该计划的学生将使用目前最先进的仪器享受丰富的智力研究经验,并将在国际合作环境中获得低能中子精密测量的世界级技能。 因此,该计划将加强美国和日本核科学计划之间的知识和文化联系,无论是在不久的将来,还是在新一代的核物理学家中。NOPTREX合作的科学目标是进行一种新型的敏感搜索,以研究极化中子通过极化核的传输中的时间反演对称性破坏。在中子-核相互作用中发现新的时间反演破坏源,将揭示粒子物理学标准模型之外的新物理,并可能阐明宇宙重子不对称性的起源。 这个实验利用了低能中子-核共振的特殊性质,它可以作为宇称和时间反演破坏的自然放大器。实验装置的设计直接体现和利用了运动反转对称性原理进行灵敏搜索。日本质子加速器研究综合体(J-PARC)的日本Spanish中子源(JSNS)非常适合举办这项实验,并将成为我们学生国际研究经验的理想背景。J-PARC和洛斯阿拉莫斯国家实验室(LANL)已经完成了对NOPTREX目标的几项测量。该提案的一个创新方面是在日本进行核物理研究之前为每个学生提供广泛的个性化学年培训。 它建立在高度协作的工作环境,围绕美国多机构团队为基础的研发实验LANL和国际合作实验正在进行的J-PARC。 每个美国机构都提供专业的硬件专业知识,并将在整个学年为IRES参与者提供个性化的培训,以帮助他们在日本研究期间完成特定任务。 参与者将学习协作技能,并在学年期间每周的协作视频会议中与彼此和日本导师分享他们的进展。 在前往日本之前,将举行两次面对面的合作/培训会议,以巩固队列建设、科学培训和文化意识。学生们将在名古屋大学进行为期10周的夏季研究,由清水博彦教授、北口正明教授和奥平拓也教授指导,并由一名美国研究生参与。学生的研究将被整合到他们的基本中子物理研究小组,这是日本最大的。学生将使用名古屋大学的低能中子测试设备测试实验硬件。 他们将前往J-PARC进行短途旅行,并分析J-PARC ANNRI光束线上收集的数据。 该项目是基于我们长期的日美合作关系,以及我们培养在日本从事NOPTREX研究的学生的良好记录而设立的。该奖项反映了NSF的法定使命,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

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Christopher Crawford其他文献

American Society for Metabolic and Bariatric Surgery position statement on describing and coding paraesophageal hernia repair with concurrent bariatric surgery
  • DOI:
    10.1016/j.soard.2024.05.019
  • 发表时间:
    2024-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Christopher Crawford;Michael Cook;Don Selzer;Maria Iliakova;Matthew Brengman; American Society for Metabolic and Bariatric Surgery Insurance Committee
  • 通讯作者:
    American Society for Metabolic and Bariatric Surgery Insurance Committee
Sleeve gastrectomy and anti-reflux procedures
  • DOI:
    10.1007/s00464-016-5092-6
  • 发表时间:
    2016-07-20
  • 期刊:
  • 影响因子:
    2.700
  • 作者:
    Christopher Crawford;Kyle Gibbens;Daniel Lomelin;Crystal Krause;Anton Simorov;Dmitry Oleynikov
  • 通讯作者:
    Dmitry Oleynikov
A Recursive Method for Real-Time Waveform Fitting with Background Noise Rejection
一种带背景噪声抑制的实时波形拟合的递归方法
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    A. Jezghani;L. Broussard;Christopher Crawford
  • 通讯作者:
    Christopher Crawford

Christopher Crawford的其他文献

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{{ truncateString('Christopher Crawford', 18)}}的其他基金

REU Site: Research in Symmetries at the University of Kentucky
REU 网站:肯塔基大学对称性研究
  • 批准号:
    2349261
  • 财政年份:
    2024
  • 资助金额:
    $ 29.48万
  • 项目类别:
    Continuing Grant
REU Site: Research in Symmetries at the University of Kentucky
REU 网站:肯塔基大学对称性研究
  • 批准号:
    1950795
  • 财政年份:
    2020
  • 资助金额:
    $ 29.48万
  • 项目类别:
    Continuing Grant
Fundamental symmetry tests using low energy neutrons
使用低能中子进行基本对称性测试
  • 批准号:
    0855584
  • 财政年份:
    2009
  • 资助金额:
    $ 29.48万
  • 项目类别:
    Standard Grant

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    1827195
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  • 批准号:
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