Observation of ρ/ω meson modification in nuclear matter

K. Ozawa, H. En'yo, H. Funahashi, M. Kitaguchi, M. Ishino, H. Kanda, S. Mihara, T. Miyashita, T. Murakami, R. Muto, M. Naruki, F. Sakuma, H. D. Sato, T. Tabaru, S. Yamada, S. Yokkaichi, Y. Yoshimura, J. Chiba, M. Ieiri, M. NomachiO. Sasaki, M. Sekimoto, K. H. Tanaka, H. Hamagaki

Research output: Contribution to journalArticlepeer-review

110 Citations (Scopus)


The in-medium properties of the vector mesons at normal nuclear-matter density were studied. A significant difference in the e+e- invariant mass spectra around the p/w region between carbon and copper targets was observed, indicating that the spectral shapes of mesons are modified at normal nuclear-matter density.

Original languageEnglish
Pages (from-to)5019-5022
Number of pages4
JournalPhysical review letters
Issue number22
Publication statusPublished - 2001 May 28
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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