RUI:Targetry Development & Nuclear Structure Studies near 100Sn
RUI:目标开发
基本信息
- 批准号:2209613
- 负责人:
- 金额:$ 29.18万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-07-15 至 2025-06-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The Esker group is developing thin film production capabilities at San José State University (SJSU). These specialized thin films, known as “targets”, are to be used in nuclear reactions at particle accelerator facilities to produce and study nuclei far from stability. A central focus of this project is producing and studying the excited states in Indium-100 (100In) using an Iron-54 (54Fe) target and a Chromium-50 (50Cr) beam. 100In is 13 neutrons away from the lightest stable indium isotope Indium-113 (113In) and has never been studied in this type of reaction. It is of particular interest because it is the nearest neighbor to the doubly magic Tin-100 (100Sn), which has long been a focus of experimental efforts. An important component in establishing the target capabilities at SJSU is the introduction and education of undergraduate research students in nuclear science. SJSU is a primarily undergraduate minority serving institution (PUI & MSI), and nuclear science is a rarity at both of these institutions. The inclusive research experience supported by this project will help to broaden the nuclear science pipeline, especially for women and under-represented minority students.This project seeks to support the target work of the Esker group as well as supporting the production of an 54Fe target. This target will be used in a 54Fe(50Cr, p3n) 100In reaction to be run at TRIUMF using the EMMA + TIGRESS experimental set-up. This will support the approved experiment S2023, to investigate the nuclear structure of 100In, the β-decay daughter of 100Sn. This region of the nuclear landscape has a number of exciting features that make it a focus of experimental and theoretical efforts: the doubly magic shell closure around N = 50 and Z = 50, the enhancement of np interactions along the N = Z symmetry line, and the close proximity to the proton dripline. By populating the high spin states in the odd-odd nucleus 100In and watching its subsequent decay, the group expects to greatly expand the known structure of this isotope. This experiment would provide valuable information to further develop theoretical descriptions of nuclear behavior in this region.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.
Esker集团正在圣何塞州立大学(SJSU)开发薄膜生产能力。这些被称为“靶”的特殊薄膜将用于粒子加速器设施的核反应,以产生和研究远离稳定的原子核。该项目的中心焦点是使用铁-54(54 Fe)靶和铬-50(50 Cr)束产生和研究铟-100(100 In)的激发态。100 In与最轻的稳定铟同位素铟-113(113 In)相距13个中子,从未在这种类型的反应中进行过研究。它特别令人感兴趣,因为它是双魔法锡-100(100 Sn)的最近邻居,长期以来一直是实验工作的焦点。在SJSU建立目标能力的一个重要组成部分是在核科学本科研究生的引进和教育。SJSU是一个主要的本科少数民族服务机构(PUI MSI),核科学在这两个机构都是罕见的。该项目支持的包容性研究经验将有助于拓宽核科学管道,特别是对妇女和代表性不足的少数民族学生。该项目旨在支持Esker小组的目标工作,并支持54 Fe靶的生产。 该靶将用于在TRIUMF使用EMMA + TIGRESS实验装置运行的54 Fe(50 Cr,p3 n)100 In反应。 这将支持已批准的实验S2023,以研究100 In的核结构,100 In是100 Sn的β衰变子体。 这个区域的核景观有许多令人兴奋的功能,使它成为实验和理论工作的焦点:双魔壳关闭周围N = 50和Z = 50,NP相互作用的增强沿着N = Z对称线,并靠近质子滴线。通过在奇-奇核100 In中填充高自旋态并观察其随后的衰变,该小组预计将大大扩展这种同位素的已知结构。 这个实验将提供有价值的信息,以进一步发展在这个地区的核行为的理论描述。这个奖项反映了NSF的法定使命,并已被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。
项目成果
期刊论文数量(0)
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Nicholas Esker其他文献
Nicholas Esker的其他文献
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