Modified DGLAP Evolution for Fragmentation Functions in Nuclei and QGP

Details Modified DGLAP Evolution for Fragmentation Functions in Nuclei and QGP Modified DGLAP Evolution for Fragmentation Functions in Nuclei and QGP

2010-12-07

arxiv.org/abs/1012.1514v1

Nucl.Phys.A855:416-419,2011

Physics

Nuclear Physics

Nuclear Theory

The proceedings of Hard Probes 2010 including 4 pages and 3 figures

Scientific paper

10.1016/j.nuclphysa.2011.02.094

Within the framework of generalized factorization of higher-twist contributions, including modification to splitting functions of both quark and gluon, we get and numerically resolve the medium-modified DGLAP (mDGLAP) evolution equations. With Woods-Saxon nuclear geometry and Hirano 3D ideal hydrodynamic simulations of hot medium, we study the medium modified fragmentation functions (mFF) in DIS and Au+Au collisions in RHIC. Our calculation imply that the parton density in hot medium produced in RHIC is about 30 times larger than cold nucleon.

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