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We present our results on transverse momentum fluctuations, multiplicityfluctuations and transverse momentum distributions for baryons and mesons inthe framework of the clustering of color sources. We determine under whatconditions the initial state configurations can lead to color connection, andmore specifically, if variations of the initial state can lead to a transitionfrom disconnected to connected color clusters, modifying the number ofeffective sources. We find that beyond a critical point, one has a condensate,containing interacting and hence color-connected sources. This point thusspecifies the onset of color deconfinement. We show that the transversemomentum and multiplicity distributions are related to each other in a definedway. We obtain a non-monotonic dependence of the $p_T$ and multiplicityfluctuations with the number of participants. We present our results for thefluctuations and the transverse momentum distributions at RHIC energiescompared to the existing experimental data and our predictions for LHCenergies.

Fluctuations and Transverse Momentum Distributions in the Color Clustering Approach