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A detailed investigation of the energy loss of gluons that traverse a thermalgluonic medium simulated within the perturbative QCD--based transport modelBAMPS (a Boltzmann approach to multiparton scatterings) is presented in thefirst part of this work. For simplicity the medium response is neglected inthese calculations. The energy loss from purely elastic interactions iscompared to the case where radiative processes are consistently included basedon the matrix element by Gunion and Bertsch. From this comparison gluonmultiplication processes gg -> ggg are found to be the dominant source ofenergy loss within the approach employed here. The consequences for thequenching of gluons with high transverse momentum in fully dynamic simulationsof Au+Au collisions at the RHIC energy of sqrt(s) = 200 AGeV are discussed inthe second major part of this work. The results for central collisions asdiscussed in a previous publication are revisited and first results on thenuclear modification factor R_AA for non-central Au+Au collisions arepresented. They show a decreased quenching compared to central collisions whileretaining the same shape. The investigation of the elliptic flow v2 is extendedup to non-thermal transverse momenta of 10 GeV, exhibiting a maximum v2 atroughly 4 to 5 GeV and a subsequent decrease. Finally the sensitivity of theaforementioned results on the specific implementation of the effective modelingof the Landau-Pomeranchuk-Migdal (LPM) effect via a formation time basedcut-off is explored.

Energy loss in a partonic transport model including bremsstrahlung processes