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Do R_{Aa} And R_{Cp} Quantify Nuclear Medium Effects?, Robert Adrian Zaballa
Do R_{Aa} And R_{Cp} Quantify Nuclear Medium Effects?, Robert Adrian Zaballa
Physics and Astronomy Dissertations
With the use of an incoherent binary nucleon-nucleon collision model of heavy ion collisions for simulating particle production, it is demonstrated that the nuclear modification factors, R_{AA} and R_{CP}, are less than unity for hard scattering in the absence of any nuclear modification effects. The nuclear modification factor R_{dAu} is also shown to approach or exceed unity only if p_T broadening is taken into account. With a simple phenomenological parameter, the mean nucleon energy loss fraction, this model yields particle distributions that are comparable to those of experiment. The nuclear geometry is described by the Glauber model, and particle production …