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Author:
Chris Perkinsa   cwperkins@lbl.gov  STAR Collaboration  


Journal:
Nuclear Physics A


Issue Date:
2011


Abstract(summary):

Gluon saturation effects and Color Glass Condensate models become important at a scale . If the saturation scale can be raised to above the charm-quark mass, saturation effects can influence charm production and it is expected, based on CGC models, that charm particle production will follow similar patterns to those found in light quarks. This scale can potentially be reached in the charm sector by going to forward rapidities at RHIC and using nuclear “targets”.

The large acceptance and pseudorapidity coverage (2.5<η<4) of the Forward Meson Spectrometer (FMS) at STAR provide excellent geometric efficiency to measure high-xF J/ψ production in p+p and d+Au collisions. A significant observation of high-xF J/ψ in p+p collisions has been obtained. Measurements of forward open charm production also look to be feasible based on initial simulation studies. By comparing d+Au measurements to p+p measurements in both charmonium and open charm productions, the FMS at STAR has the potential to test several predictions of CGC/Saturation models in the charm sector.



Page:
212-221


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