MRI-Consortium: Development of a Neutron Detector Array by Undergraduate Research Students for Studies of Exotic Nuclei.
MRI 联盟:本科生开发中子探测器阵列,用于研究奇异核。
基本信息
- 批准号:0922794
- 负责人:
- 金额:$ 20.39万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-10-01 至 2012-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).Studies of exotic nuclei (those with a large excess of neutrons) are a top priority to address a number of outstanding nuclear physics questions. These include measurements to explore changes of the nuclear structure in nuclei far from stability and reaction rates to infer (gamma,n) rates for astrophysical applications. The MoNA Collaboration has been successful at measuring a number of neutron- unbound ground states and excited states of exotic nuclei, but such experiments have been restricted to cases where the decay energy associated with a resonant state was relatively low. With this project the remaining unbound nuclei as well as many unknown higher-lying unbound states in light neutron-rich nuclei (Z9) will be accessible. The MoNA Collaboration will expand on its past success and measure one- and two-neutron coincidence experiments following knock-out reactions with the new device. The group will also be able to pursue structure questions in those same nuclei via Coulomb dissociation measurements. The Large-area multi-Institutional Scintillator Array (LISA) will consist of 128 plastic scintillator bars (2 m by 10 cm by 10 cm). LISA will determine neutron energy through time-of-flight and the interaction point along the bar will be based on the time difference between the photomultiplier tubes at each end. When combined with the existing Modular Neutron Array (MoNA) and Sweeper instruments, the proposed array will facilitate exciting and important physics measurements with rare isotope beams at the National Superconducting Cyclotron Laboratory. In addition, since this collaborative proposal is entirely based at Primarily Undergraduate Institutions (PUIs), the grant will have a broad impact. Undergraduate researchers and under-represented groups will benefit from the actual construction, testing and commissioning of the array, as well as participation in future cutting-edge research. Finally, this work will have a long-term impact for the future Facility for Rare Isotope Beams (FRIB) since the proposed detector would be a Day One device there, the undergraduates involved in the proposed project can be part of the workforce at FRIB, and future undergraduates will have access to this new facility.The Division of Physics and the Directorate for Education and Human Resources have participated in the funding of this award.
该奖项是根据2009年美国复苏和再投资法案(公法111-5)资助的。研究奇异核(具有大量多余中子的核)是解决许多突出的核物理问题的首要任务。这些测量包括探索远离稳定性的原子核结构的变化和反应速率,以推断天体物理应用的(γ,n)速率。MoNA合作项目已经成功地测量了一些非中子束缚的基态和外来核的激发态,但这些实验仅限于与共振态相关的衰变能量相对较低的情况。有了这个项目,剩余的未束缚原子核以及许多未知的高能级未束缚态在轻中子富核(Z9)将被访问。MoNA合作项目将在过去成功的基础上进行扩展,并在使用新设备进行淘汰反应后测量单中子和双中子偶合实验。该小组还将能够通过库仑解离测量来研究这些核的结构问题。大面积多机构闪烁体阵列(LISA)将由128个塑料闪烁体条(2米× 10厘米× 10厘米)组成。LISA将通过飞行时间来确定中子能量,而沿杆的相互作用点将基于两端光电倍增管之间的时间差。当与现有的模块化中子阵列(MoNA)和Sweeper仪器相结合时,拟议的阵列将在国家超导回旋加速器实验室促进稀有同位素光束的激动人心和重要的物理测量。此外,由于这项合作提案完全基于主要本科院校(PUIs),因此该资助将产生广泛的影响。本科生研究人员和代表性不足的群体将受益于阵列的实际建设、测试和调试,以及参与未来的前沿研究。最后,这项工作将对未来的稀有同位素光束设施(FRIB)产生长期影响,因为拟议的探测器将是那里的第一天设备,参与拟议项目的本科生可以成为FRIB劳动力的一部分,未来的本科生将有机会使用这个新设施。物理司和教育和人力资源司参与了这一奖项的供资工作。
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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Paul DeYoung其他文献
Paul DeYoung的其他文献
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{{ truncateString('Paul DeYoung', 18)}}的其他基金
RUI: Nuclear Science with Undergraduate Researchers: Studies of Nuclei at the Extremes and New Applications of Nuclear Techniques
RUI:本科生研究人员的核科学:极端原子核研究和核技术的新应用
- 批准号:
2209138 - 财政年份:2022
- 资助金额:
$ 20.39万 - 项目类别:
Standard Grant
RUI: Nuclear Physics at Hope College With Undergraduates: New Science Enhancing the STEM Workforce
RUI:希望学院与本科生的核物理:增强 STEM 劳动力的新科学
- 批准号:
1911418 - 财政年份:2019
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
RUI: High Impact Nuclear Physics Research with Undergraduates
RUI:本科生高影响核物理研究
- 批准号:
1613188 - 财政年份:2016
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
RUI: Cutting-Edge Nuclear Physics Research (Collaborative and Interdisciplinary) at Hope College
RUI:希望学院的尖端核物理研究(合作和跨学科)
- 批准号:
1306074 - 财政年份:2013
- 资助金额:
$ 20.39万 - 项目类别:
Standard Grant
RUI: Studies of Unstable Neutron-Rich Nuclei and Interdisciplinary Applications of Nuclear Physics with Undergraduates
RUI:不稳定富中子核研究及核物理跨学科应用与本科生
- 批准号:
0969058 - 财政年份:2010
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
RUI: Fundamental and Applied Nuclear Physics with Undergraduates
RUI:本科生基础与应用核物理
- 批准号:
0651627 - 财政年份:2007
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
RUI: Multifaceted Opportunities in Nuclear Physics for Undergraduates at Hope College
RUI:希望学院本科生在核物理方面的多方面机会
- 批准号:
0354920 - 财政年份:2004
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
RUI: Radioactive Nuclear Beam Physics with Undergraduates at Hope College
RUI:与希望学院本科生一起学习放射性核束物理
- 批准号:
0098061 - 财政年份:2001
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
MRI: Consortium to Construct a Highly Efficient Neutron Detector Array for the NSCL (Hope College)
MRI:联盟将为 NSCL 建造高效中子探测器阵列(希望学院)
- 批准号:
0132405 - 财政年份:2001
- 资助金额:
$ 20.39万 - 项目类别:
Standard Grant
Research Experiences for Undergraduates in Physics and Engineering at Hope College
希望学院物理与工程专业本科生的研究经历
- 批准号:
9876955 - 财政年份:1999
- 资助金额:
$ 20.39万 - 项目类别:
Continuing Grant
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