地球和月球上星际放射性核素的最新进展

IF 2.6 3区物理与天体物理 Q2 PHYSICS, NUCLEAR

The European Physical Journal A Pub Date : 2025-05-12 DOI:10.1140/epja/s10050-025-01554-0

Dominik Koll, Sebastian Fichter, Michael Hotchkis, Martin Martschini, Silke Merchel, Stefan Pavetich, Annabel Rolofs, Steve Tims, Sebastian Zwickel, Anton Wallner

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引用次数: 0

摘要

地质档案中星际放射性核素的探测提供了对恒星核合成和恒星爆炸以及局部气泡和局部星际云中的星际介质动力学的见解。在这项工作中，将回顾目前利用加速器质谱法探测星际放射性核素的项目。这些项目旨在解决有关流入时间和来源的未解决问题，并为今后的搜索确定新的放射性核素。将首次展示星际间\(^{60}\)铁在地球上不均匀沉积的实验证据，并介绍地球和月球上\(^{60}\)铁的另一个潜在来源——主要星系宇宙射线。

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Recent progress on interstellar radionuclides on Earth and the Moon

The detection of interstellar radionuclides in geological archives provides insights into nucleosynthesis in stars and stellar explosions as well as interstellar medium dynamics in the Local Bubble and the Local Interstellar Cloud. In this work, current projects to detect interstellar radionuclides with accelerator mass spectrometry will be reviewed. These projects aim to address unsolved questions regarding the timing and the origin of the influxes and to establish new radionuclides for future searches. For the first time, experimental evidence for an inhomogeneous deposition of interstellar \(^{60}\)Fe on Earth will be presented and another potential source for \(^{60}\)Fe on Earth and the Moon, primary galactic cosmic rays, will be introduced.

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来源期刊

The European Physical Journal A 物理-物理：核物理

CiteScore

5.00

自引率

18.50%

发文量

216

审稿时长

3-8 weeks

期刊介绍： Hadron Physics Hadron Structure Hadron Spectroscopy Hadronic and Electroweak Interactions of Hadrons Nonperturbative Approaches to QCD Phenomenological Approaches to Hadron Physics Nuclear and Quark Matter Heavy-Ion Collisions Phase Diagram of the Strong Interaction Hard Probes Quark-Gluon Plasma and Hadronic Matter Relativistic Transport and Hydrodynamics Compact Stars Nuclear Physics Nuclear Structure and Reactions Few-Body Systems Radioactive Beams Electroweak Interactions Nuclear Astrophysics Article Categories Letters (Open Access) Regular Articles New Tools and Techniques Reviews.