Abstract
We calculate the production of large-mass dileptons from the jet-dilepton conversion in the expanding quark-gluon plasma at Relativistic Heavy Ion Collider and Large Hadron Collider (LHC) energies. The jet-dilepton conversion exceeds the thermal dilepton production and Drell--Yan process in the large-mass region of $3.9\phantom{\rule{4pt}{0ex}}\mathrm{GeV}<M<5.8\phantom{\rule{4.pt}{0ex}}\mathrm{GeV}$ and $6.3\phantom{\rule{4pt}{0ex}}\mathrm{GeV}<M<8.7\phantom{\rule{4.pt}{0ex}}\mathrm{GeV}$ in central $\text{Pb}+\text{Pb}$ collisions at $\sqrt{{s}_{NN}}=2.76$ and 5.5 TeV, respectively. We present the numerical solution of ideal fluid hydrodynamics. We find that the transverse flow leads to a rapid cooling of the fire ball. The suppression due to transverse flow appears from small to large mass, the transverse-flow effect becomes important at LHC energies. The energy loss of jets in the hot and dense medium is also included.
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