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Particle physics

Cool as muons

Nature Physics volume 20, pages 1521–1522 (2024)Cite this article

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The volume of muon beams in position–momentum space is too large to be used in a collider. A clear reduction in this volume has now been demonstrated, which brings particle physics closer to a practical muon collider for exploring the energy frontier.

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Fig. 1: Schematic illustration of muon ionization cooling.

Adapted from ref. 1, Springer Nature Ltd

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  1. Energy Accelerator Research Organization (KEK), Ibaraki, Japan

    Masashi Otani

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  1. Masashi Otani
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Correspondence to Masashi Otani.

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The author declares no competing interests.

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Otani, M. Cool as muons. Nat. Phys. 20, 1521–1522 (2024). https://doi.org/10.1038/s41567-024-02571-4

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