Pb上介子俘获后高能x射线辐射的探测

IF 4.2 3区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Astroparticle Physics Pub Date : 2023-08-22 DOI:10.1016/j.astropartphys.2023.102889

S. Ilić , M. Krmar , D. Knežević , D. Maletić , N. Jovančević

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引用次数: 0

摘要

采用铅屏蔽的低本底HPGe探测器，采集了180天以上的本底伽马谱。在背景光谱中首次发现了铅原子轨道上捕获的介子跃迁产生的三条谱线。计算了探测到的跃迁的相对强度，并与理论预测进行了比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Detection of high energy X-ray radiation following muon captures on Pb

Low background HPGe detector, shielded by lead, was used to collect background gamma spectra for more than 180 days. Three lines, originating from transitions of muons captured in orbitals of lead atoms were for the first time recognized in background spectra. Relative intensities of detected transitions were calculated and compared with the theoretical prediction.

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来源期刊

Astroparticle Physics 地学天文-天文与天体物理

CiteScore

8.00

自引率

2.90%

发文量

审稿时长

79 days

期刊介绍： Astroparticle Physics publishes experimental and theoretical research papers in the interacting fields of Cosmic Ray Physics, Astronomy and Astrophysics, Cosmology and Particle Physics focusing on new developments in the following areas: High-energy cosmic-ray physics and astrophysics; Particle cosmology; Particle astrophysics; Related astrophysics: supernova, AGN, cosmic abundances, dark matter etc.; Gravitational waves; High-energy, VHE and UHE gamma-ray astronomy; High- and low-energy neutrino astronomy; Instrumentation and detector developments related to the above-mentioned fields.