MRI: Development of a New Low Energy High Mass Resolution Beamline for the 11MV Tandem Accelerator

MRI:为 11MV 串联加速器开发新型低能量高质量分辨率光束线

基本信息

  • 批准号:
    1337608
  • 负责人:
  • 金额:
    $ 47.1万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2013
  • 资助国家:
    美国
  • 起止时间:
    2013-09-01 至 2017-08-31
  • 项目状态:
    已结题

项目摘要

The Nuclear Science Laboratory (NSL) at the University of Notre Dame (ND) operates a world-renowned scientific program in nuclear astrophysics, nuclear structure and radioactive beam physics, as well as in nuclear physics applications, radiation chemistry, and material analysis. A very successful Accelerator Mass Spectrometry (AMS) program dedicated to nuclear astrophysics, aimed at complementing the existing laboratory measurement and detection techniques, and based on the FN accelerator was added in 2003. This MRI will allow the lab to modify the low energy injection system of the tandem to provide the high mass resolution necessary for improved isotopic selectivity. The modified system will extend measurement capabilities and expand the broad portfolio of available accelerated beams, making the NSL a unique and world-leading facility for both the development of new highly sensitive detection techniques and for the measurements of isotopic ratios not yet possible. The MRI will provide the Notre Dame AMS facility with the capability of measuring radioactive probes and developing innovative AMS detection techniques that only two other facilities worldwide (Technische Universität München - Munich) and Australian National University - Canberra) can also provide due to the combination of available energies, detection techniques and scope of scientific program. The radioactive probes allow us to better understand current supernovae models and stellar nucleosynthesis, and provide evidence of injection of freshly synthesized material into the proto solar system as well as by possible nearby supernova events in the more recent past. In order to exploit these long-lived probes new innovative detection techniques have been developed. The new injection system will also greatly enhance our efforts in applied techniques that have recently received considerable interest both locally and nationally, resulting in new collaborations with the art world and the art history community to provide state-of-the-art identification of artifacts. This program introduces non-physics faculty to the benefit of new analytical methods in fields as diverse as anthropology, archaeology and art history and attracts their students into the NSL to take advantage of new research opportunities. The improved AMS sensitivity also opens the door to a number of exciting programs to use radioactive tracers to probe the history of early Earth as well as a number of important paleoclimatic and geological records.
圣母大学的核科学实验室(NSL)在核天体物理学、核结构和放射性束物理学以及核物理应用、辐射化学和材料分析方面开展了世界知名的科学计划。 一个非常成功的加速器质谱(AMS)计划,致力于核天体物理学,旨在补充现有的实验室测量和检测技术,并在FN加速器的基础上,于2003年增加。 该MRI将允许实验室修改串联的低能注入系统,以提供改进同位素选择性所需的高质量分辨率。 改进后的系统将扩展测量能力,扩大可用加速束的广泛组合,使NSL成为开发新的高灵敏度探测技术和测量同位素比率的独特和世界领先的设施。 MRI将为圣母大学AMS设施提供测量放射性探针和开发创新的AMS检测技术的能力,由于现有能量、检测技术和科学计划的范围的结合,全球只有另外两个设施(慕尼黑工业大学-慕尼黑和澳大利亚国立大学-堪培拉)也可以提供这种能力。 放射性探测器使我们能够更好地了解当前的超新星模型和恒星核合成,并提供新合成物质注入原太阳系以及最近附近可能发生的超新星事件的证据。 为了利用这些长寿命的探针,已经开发了新的创新检测技术。 新的注入系统也将大大加强我们在应用技术方面的努力,这些技术最近在当地和全国都受到了相当大的关注,从而与艺术界和艺术史界进行了新的合作,以提供最先进的文物鉴定。 该计划向非物理教师介绍了人类学,考古学和艺术史等不同领域的新分析方法,并吸引学生进入NSL以利用新的研究机会。 AMS灵敏度的提高也为许多令人兴奋的计划打开了大门,这些计划使用放射性示踪剂来探测早期地球的历史以及一些重要的古气候和地质记录。

项目成果

期刊论文数量(0)
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Philippe Collon其他文献

Equilibrium charge state distributions for boron and carbon ions emerging from carbon and aluminum targets
  • DOI:
    10.1016/j.nimb.2010.02.003
  • 发表时间:
    2010-05-15
  • 期刊:
  • 影响因子:
  • 作者:
    Chris Schmitt;Jay A. LaVerne;Daniel Robertson;Matthew Bowers;Wenting Lu;Philippe Collon
  • 通讯作者:
    Philippe Collon
Production of <sup>43</sup>Sc and <sup>44g</sup>Sc from natural CaF<sub>2</sub> material using an FN Tandem accelerator
  • DOI:
    10.1016/j.apradiso.2024.111580
  • 发表时间:
    2025-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Austin D. Nelson;Adam M. Clark;Thomas L. Bailey;Lauren K. Callahan;Philippe Collon
  • 通讯作者:
    Philippe Collon

Philippe Collon的其他文献

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