The model predicts phi mesons become about 2-3% lighter and much broader at nuclear matter density, and form a relatively distinct bound state with oxygen-16 nuclei.
Study of in-medium mass modification at J-PARC
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abstract
Study of in-medium mass modification has attracted interest in terms of the restoration of the spontaneously broken chiral symmetry, which is responsible for the generation of hadron mass. Many experiments were performed to measure in-medium property of hadrons but there is no consensus yet. J-PARC E16 has been proposed to study in-medium property of vector mesons via dilepton decay channel. The status of spectrometer R \& D is explained. Other related experiments planned at J-PARC are also introduced.
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$\phi$ meson in nuclear matter and atomic nuclei
The model predicts phi mesons become about 2-3% lighter and much broader at nuclear matter density, and form a relatively distinct bound state with oxygen-16 nuclei.