Abstract
We investigate the effects of the presence of a non-vanishing net baryon number density and its diffusion on dilepton production, within a hydrodynamical description of the medium created at sNN=7.7 GeV collision energy. This energy value is explored within the Beam Energy Scan (BES) program at Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory. Particular attention is devoted to a new dissipative degree of freedom: the net baryon number diffusion (Vμ), and to the net baryon number conductivity (κ) — a transport coefficients governing the overall magnitude of Vμ. The effects of κ on dilepton production are assessed, with an outlook on how future experimental dilepton data can be used to learn more about κ.
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