Exploring vector meson masses in nuclear collisions
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The formalism developed earlier by us for the propagation of a resonance in the nuclear medium in proton-nucleus collisions has been modified to the case of vector boson production in heavy-ion collisions. The first part of the talk describes this formalism. The formalism includes coherently the contribution to the observed di-lepton production from the decay of a vector boson inside as well as outside the nuclear medium. The calculated invariant rho mass distributions are presented for the $ρ$-meson production using optical potentials estimated within the VDM and the resonance model.
In the second part of the talk we write a formalism for coherent rho production in proton nucleus collisions and explore the sensitivity of the (p,p$^\prime ρ^0$) reaction cross section to medium mass modification of the rho meson.
14 pages, latex, 8 figures; Talk delivered by Dr B.K.Jain at National Seminar on Nuclear Physics, July 26-29, 1999, Institute of Physics, Bhubaneswar, India
14 pages, latex, 8 figures; Talk delivered by Dr B.K.Jain at National Seminar on Nuclear Physics, July 26-29, 1999, Institute of Physics, Bhubaneswar, India