CHIP-TRAP的现状:中密歇根大学高精度Penning Trap

IF 1.7 Q3 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL Atoms Pub Date : 2023-10-07 DOI:10.3390/atoms11100127
Nadeesha Gamage, Madhawa Horana, Rachel Sandler, Ramesh Bhandari, Matthew Redshaw
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引用次数: 0

摘要

精确和准确的原子质量数据为物理学和其他领域的广泛应用提供了关键信息,包括天体物理学、核结构、粒子和中微子物理学、基本对称性、化学和计量学。最精确的原子质量测量是对限制在潘宁阱中的带电粒子进行的。在这里,我们描述CHIP-TRAP的发展,现状和前景:中密歇根大学高精度Penning trap。CHIP-TRAP旨在对由外部离子源产生并输送到Penning陷阱的稳定和长寿命同位素进行超高精度(约1 / 1011分数精度)的质量测量。在此过程中,使用多反射飞行时间质量分离器(MR-TOF-MS)选择特定m/q的离子,在离子被输送到一对双曲线测量陷阱之前,在圆柱形捕获陷阱中进行进一步过滤。在本文中,我们报告了CHIP-TRAP的设计和状态,并介绍了离子源,MR-TOF-MS和捕获陷阱的调试结果。我们还对CHIP-TRAP的持续开发和调试进行了展望。
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Status of CHIP-TRAP: The Central Michigan University High-Precision Penning Trap
Precise and accurate atomic mass data provide crucial information for applications in a wide range of fields in physics and beyond, including astrophysics, nuclear structure, particle and neutrino physics, fundamental symmetries, chemistry, and metrology. The most precise atomic mass measurements are performed on charged particles confined in a Penning trap. Here, we describe the development, status, and outlook of CHIP-TRAP: the Central Michigan University high-precision Penning trap. CHIP-TRAP aims to perform ultra-high precision (∼1 part in 1011 fractional precision) mass measurements on stable and long-lived isotopes produced with external ion sources and transported to the Penning traps. Along the way, ions of a particular m/q are selected with a multi-reflection time-of-flight mass separator (MR-TOF-MS), with further filtering performed in a cylindrical capture trap before the ions are transported to a pair of hyperbolic measurement traps. In this paper, we report on the design and status of CHIP-TRAP and present results from the commissioning of the ion sources, MR-TOF-MS, and capture trap. We also provide an outlook on the continued development and commissioning of CHIP-TRAP.
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来源期刊
Atoms
Atoms Physics and Astronomy-Nuclear and High Energy Physics
CiteScore
2.70
自引率
22.20%
发文量
128
审稿时长
8 weeks
期刊介绍: Atoms (ISSN 2218-2004) is an international and cross-disciplinary scholarly journal of scientific studies related to all aspects of the atom. It publishes reviews, regular research papers, and communications; there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles. There are, in addition, unique features of this journal: -manuscripts regarding research proposals and research ideas will be particularly welcomed. -computed data, program listings, and files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. Scopes: -experimental and theoretical atomic, molecular, and nuclear physics, chemical physics -the study of atoms, molecules, nuclei and their interactions and constituents (protons, neutrons, and electrons) -quantum theory, applications and foundations -microparticles, clusters -exotic systems (muons, quarks, anti-matter) -atomic, molecular, and nuclear spectroscopy and collisions -nuclear energy (fusion and fission), radioactive decay -nuclear magnetic resonance (NMR) and electron spin resonance (ESR), hyperfine interactions -orbitals, valence and bonding behavior -atomic and molecular properties (energy levels, radiative properties, magnetic moments, collisional data) and photon interactions
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