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</script>$��$-meson mass in nuclear matter ($m_��^*$) is investigated using an effective Lagrangian of $��$ interacting with octet baryons. $m_��^*$ decreases by a few \% in nuclear matter due to the current conservation and effective nucleon/hyperon masses. Its implication to the p-A and A-A collisions are briefly discussed.
7 pages, latex, 3 postscript figures, submitted to Prog. Theor. Phys
Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences
Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences
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