Experimental Signature of Medium Modifications for rho and omega Mesons in the 12 GeV p + A Reactions

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dc.creatorNaruki, M.
dc.creatorFunahashi, H.
dc.creatorFukao, Y.
dc.creatorKitaguchi, M.
dc.creatorIshino, M.
dc.creatorKanda, H.
dc.creatorMihara, S.
dc.creatorMiyashita, T.
dc.creatorMiwa, K.
dc.creatorMurakami, T.
dc.creatorNakura, T.
dc.creatorSakuma, F.
dc.creatorTogawa, M.
dc.creatorYamada, S.
dc.creatorYoshimura, Y.
dc.creatorEn'yo, H.
dc.creatorMuto, R.
dc.creatorTabaru, T.
dc.creatorYokkaichi, S.
dc.creatorChiba, J.
dc.creatorIeiri, M.
dc.creatorSasaki, O.
dc.creatorSekimoto, M.
dc.creatorTanaka, K. H.
dc.creatorOzawa, K.
dc.creatorHamagaki, H.
dc.date2005-04-20
dc.date2006-03-15
dc.date.accessioned2026-07-07T11:44:17Z
dc.date.available2026-07-07T11:44:17Z
dc.descriptionThe invariant mass spectra of e+e- pairs produced in 12-GeV proton-induced nuclear reactions are measured at the KEK Proton-Synchrotron. On the low-mass side of the omega meson peak, a significant enhancement over the known hadronic sources has been observed. The mass spectra, including the excess, are well reproduced by a model that takes into account the density dependence of the vector meson mass modification, as theoretically predicted.
dc.description4 pages, 3 figures, Version accepted for Physical Review Letter
dc.identifierhttps://arxiv.org/abs/nucl-ex/0504016
dc.identifierhttp://arxiv.org/abs/nucl-ex/0504016
dc.identifierPhys.Rev.Lett.96:092301,2006
dc.identifierdoi:10.1103/PhysRevLett.96.092301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201548
dc.subjectNuclear Experiment
dc.titleExperimental Signature of Medium Modifications for rho and omega Mesons in the 12 GeV p + A Reactions
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