Phys. Rev. C 52, 408 - 411 (1995)Effects of N¯N polarization on vector meson masses at finite temperature |
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Chungsik Song, P. W. Xia, and C. M. Ko
Cyclotron Institute and Department of Physics, Texas A&M University, College Station, Texas 77843
Received 10 November 1994
Effects of N¯N polarization on vector meson (ρ and ω) masses at finite temperature are studied. Including a reduced nucleon mass in a hot matter, we find that the reduction of vector meson masses due to the vacuum effect is larger than the increase of their masses from interactions with nucleons and pions in the hot matter. The vector meson masses at finite temperature thus decrease with temperature.
©1995 The American Physical Society
URL: http://link.aps.org/abstract/PRC/v52/p408
DOI: 10.1103/PhysRevC.52.408
PACS: 12.38.Mh, 11.30.Rd, 12.40.Vv, 21.65.+f
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