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Nuclear Modification Factor in d+Au Collisions: Onset of Suppression in the Color Glass Condensate

Dmitri Kharzeev·Yuri V. Kovchegov·Kirill Tuchin
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Abstract

We perform a quantitative analysis of the nuclear modification factor in deuteron--gold collisions R(dAu) within the Color Glass Condensate approach, and compare our results with the recent data from RHIC experiments. Our model leads to Cronin enhancement at mid-rapidity, while at forward rapidities it predicts strong suppression of R(dAu) at all pT due to low-x evolution. We demonstrate that our results are consistent with the data for dAu charged hadron spectra, R(dAu) and R(CP) recently reported for rapidities in the interval eta=0--3.2 by the BRAHMS experiment at RHIC. We also make a prediction for R(pA) at mid-rapidity in pA collisions at the LHC.

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Dmitri Kharzeev, Yuri V. Kovchegov, Kirill Tuchin. 2004-08-18. Nuclear Modification Factor in d+Au Collisions: Onset of Suppression in the Color Glass Condensate. https://doi.org/10.1016/j.physletb.2004.08.034

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