BROOKH EN NATI 0 N A L LAB 0 RAT0 RY BNL-75084-2005-CP The QCD Equation of State for Two Flavours at Non-Zero Chemical Potential S. Ejiri, C.R. Allton, M. Doring, S. J. Hands, 0. Kaczmarek, F. Karsch, E. Laermann, and K. Redlich Presented at the Quark Matter 2005 I 8th lnternatiorzal Conference on Nucleus-Nucleus Collisions Budapest, Hungary August 4-9,2005 October 2005 Physics Department Brookhaven National Laboratory P.O. Box 5000 Upton, NY 11 973-5000 www. bnl.gov Notice: This manuscript has been authored by employees of Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. The publisher by accepting the manuscript for publication acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. This preprint is intended for publication in a journal or proceedings. Since changes may be made before publication, it may not be cited or reproducedwithout the author's permission.