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Nuclear physics

Modified in medium

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The strong interaction is modified in the presence of nuclear matter. An experiment has now quantified with high precision and accuracy the reduction of the order parameter of the system’s chiral symmetry, which is partially restored.

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Fig. 1: A schematic diagram showing the in situ formation of a pionic atom.

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Authors and Affiliations

  1. Department of Physics and Astronomy, University of Manchester, Manchester, UK

    Sean Freeman

  2. Experimental Physics Department, CERN, Geneva, Switzerland

    Sean Freeman

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  1. Sean Freeman
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Correspondence to Sean Freeman.

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The author declares no competing interests.

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Freeman, S. Modified in medium. Nat. Phys. 19, 764–765 (2023). https://doi.org/10.1038/s41567-023-02012-8

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