实验室中的相对论电子-正电子对光束

IF 12.9 1区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS Nature Astronomy Pub Date : 2024-07-22 DOI:10.1038/s41550-024-02331-7

Bishwanath Gaire

引用次数: 0

摘要

相对论电子-正电子对可能在黑洞或中子星周围产生。然而，由于实验室实验困难重重，迄今为止对这种对子性质的探索还仅限于理论和模拟研究。最近，查尔斯-阿罗史密斯及其同事报告了相对论质子束与固体靶相互作用产生的高密度、准中性相对论电子-正电子对束。在实验中，欧洲核子研究中心超级质子同步加速器的相对论（440 GeV/c）质子束与由低Z材料（石墨）和高Z转换器（钽）组成的固体靶相互作用。在此过程中，质子束被转换成具有强子级联和电磁级联的对束。测量了质子对光束的能谱，并分析了其幂律指数。对束的其他特征（如束的尺寸、数量密度、束的温度）通过 FLUKA 模拟进行预测。

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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Nature Astronomy Physics and Astronomy-Astronomy and Astrophysics

CiteScore

19.50

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2.80%

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252

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