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- W1487442392 abstract "We calculate the medium modifications of the ρππ vertex in a relativistic hadronic framework incorporating nucleons and Δ(1232) isobars, and find a substantial increase of the ρππ coupling, dominated by processes where the Δ is excited. The coupling depends significantly on the virtuality of the ρ, which is related to analytic properties of the vertex function. We analyze the general case of a nonzero three-momentum of the ρ with respect to the nuclear medium, and evaluate the resulting widths and spectral strength in the transverse and longitudinal channels for the ρ→ππ decay. These widths are used to obtain the dilepton yields from ρ decays in relativistic heavy-ion collisions." @default.
- W1487442392 created "2016-06-24" @default.
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- W1487442392 date "2001-12-01" @default.
- W1487442392 modified "2023-09-27" @default.
- W1487442392 title "ρ→ππ decay in nuclear medium" @default.
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- W1487442392 doi "https://doi.org/10.1016/s0375-9474(01)01146-0" @default.
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