Negative-ion Research and Source Development

负离子研究与源开发

• 批准号: 9417364
• 负责人: Roy Middleton
• 金额: --
• 依托单位: University of Pennsylvania
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-04-15 至 1998-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9417364&HistoricalAwards=false
• 关键词: Negative; ion; Research; Source; Development

9417364 Middleton This award will support and maintain the negative-ion source and AMS development program at the University of Pennsylvania for a period of three years. The principal objective of the program are: (1) to extend the present studies of polyatomic and molecular ions that are currently underway with carbon and aluminum. In particular, to search for new double-negative clusters, utilizing the methods developed to detect and veridy double-negative clusters of carbon by acceleration in the tandem Van de Graaff accelerator. (2) to revise, expand, and prepare the Negative Ion Cookbook for formal publication. Much new data would be included on polyatomic and molecular ions and on the negative-ion signatures of some common compounds and minerals. (3) Continue to develop the triode source that is expected to produce an order of magnitude more current than the present high-intensity source. The availability of such a source will have impact in several fields including nuclear science where it should enable higher intensity relativistic heavy-ion beams to be accelerated in RHIC. (4) develop new techniques for accelerator mass spectroscopy (AMS). ***

9417364 Middleton 该奖项将支持和维持宾夕法尼亚大学的负离子源和 AMS 开发项目，为期三年。 该计划的主要目标是：（1）扩展目前正在进行的碳和铝多原子和分子离子研究。 特别是，为了寻找新的双负团簇，利用所开发的方法通过串联范德格拉夫加速器中的加速来检测和验证碳的双负团簇。 (2) 修订、扩充、准备《负离子食谱》正式出版。 许多新数据将包括有关多原子和分子离子以及一些常见化合物和矿物质的负离子特征的数据。 (3) 继续开发三极管源，预计产生的电流比现有的高强度源多一个数量级。这种源的可用性将对包括核科学在内的多个领域产生影响，在核科学中，它应该能够在 RHIC 中加速更高强度的相对论性重离子束。 (4)开发加速器质谱(AMS)新技术。 ***