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Development of a Comprehensive Cosmogenic Be-10 - Al-26 Production Model for Quartz

Development of a Comprehensive Cosmogenic Be-10 - Al-26 Production Model for Quartz
开发综合性宇宙成因 Be-10 - Al-26 石英生产模型
批准号:
9910209
负责人:
John Stone
金额:
$4.11万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-02-01 至 2001-06-30

项目摘要

项目成果

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中文摘要
翻译
9910209石头这个奖项为一个项目提供资金,该项目旨在校准由于宇宙射线Muon捕获而在石英中产生Be-10和Al-26的速率。对于第四纪地质学、古气候学和地貌学领域的研究人员来说,准确了解这些生产率非常重要,他们依靠测量这些同位素的浓度来确定岩石表面暴露在大气中的年龄。介子俘获产生率将通过分析取自6米深度剖面的花岗岩样品中的Be-10和Al-26的石英来校准,这将使自旋俘获产生率和介子俘获产生率明显分开。
英文摘要
9910209Stone This award provides funding for a project to calibrate the production rates of Be-10 and Al-26 in quartz due to cosmic ray muon capture. Accurate knowledge of these production rates is important to researchers in the areas of Quaternary geology, paleoclimatology, and geomorphology who depend on measurements of the concentration of these isotopes to determine the age of exposure to the atmosphere of rock surfaces. Muon capture production rates will be calibrated by analyzing quartz for Be-10 and Al-26 in samples of granite taken from a 6-meter depth profile, which will give a clear separation between spallogenic and muon capture production.***
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