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The QCD Phase Diagram: Large Nc, Quarkyonic Matter and the Triple Point

Description: I discuss the phase diagram of QCD in the large N_c limit. Quarkyonic Matter is described. The properties of QCD matter as measured in the abundance of produced particles are shown to be consistent with this phase diagram. A possible triple point of Hadronic Mater, Deconfined Matter and Quarkyonic matter is shown to explain various behaviors of ratios of particles abundances seen in CERN fixed target experiments.
Date: January 31, 2010
Creator: McLerran, L.
Partner: UNT Libraries Government Documents Department

Laboratory Directed Research and Development Program Activities for FY 2008.

Description: Brookhaven National Laboratory (BNL) is a multidisciplinary laboratory that maintains a primary mission focus the physical sciences, energy sciences, and life sciences, with additional expertise in environmental sciences, energy technologies, and national security. It is managed by Brookhaven Science Associates, LLC, (BSA) under contract with the U. S. Department of Energy (DOE). BNL's Fiscal year 2008 budget was $531.6 million. There are about 2,800 employees, and another 4,300 guest scientists and students who come each year to use the Laboratory's facilities and work with the staff. The BNL Laboratory Directed Research and Development (LDRD) Program reports its status to the U.S. Department of Energy (DOE) annually in March, as required by DOE Order 413.2B, 'Laboratory Directed Research and Development,' April 19, 2006, and the Roles, Responsibilities, and Guidelines for Laboratory Directed Research and Developlnent at the Department of Energy/National Nuclear Security Administration Laboratories dated June 13, 2006. Accordingly, this is our Annual Report in which we describe the Purpose, Approach, Technical Progress and Results, and Specific Accomplishments of all LDRD projects that received funding during Fiscal Year 2008. BNL expended $12 million during Fiscal Year 2008 in support of 69 projects. The program has two categories, the annual Open Call LDRDs and Strategic LDRDs, which combine to meet the overall objectives of the LDRD Program. Proposals are solicited annually for review and approval concurrent with the next fiscal year, October 1. For the open call for proposals, an LDRD Selection Committee, comprised of the Associate Laboratory Directors (ALDs) for the Scientific Directorates, an equal number of scientists recommended by the Brookhaven Council, plus the Assistant Laboratory Director for Policy and Strategic Planning, review the proposals submitted in response to the solicitation. The Open Can LDRD category emphasizes innovative research concepts with limited management filtering to encourage the creativity of individual ...
Date: April 1, 2009
Creator: Looney,J.P. & Fox, K.
Partner: UNT Libraries Government Documents Department

Design and Measurement of the NSLS II Sextupoles

Description: The Sextupole magnets for the National Synchrotron Light Source II (NSLS-II) have stringent performance requirements. These magnets have a faceted pole profile that departs from the cubic shape due to constraints imposed by the vacuum chamber. Various geometric features were used to fine tune and minimize the harmonics. Prototypes have been built and measured and have satisfactory field performance.
Date: May 4, 2009
Creator: Spataro,C.; Jain, A.K.; Rehak, M & Skaritka, J.
Partner: UNT Libraries Government Documents Department

PHENIX Spinfest School 2009 at BNL

Description: Since 2005, the PHENIX Spin Physics Working Group has set aside several weeks each summer for the purposes of training and integrating recent members of the working group as well as coordinating and making rapid progress on support tasks and data analysis. One week is dedicated to more formal didactic lectures by outside speakers. The location has so far alternated between BNL and the RIKEN campus in Wako, Japan, with support provided by RBRC and LANL.
Date: August 7, 2009
Creator: Foster,S.P.; Foster,S.; Seidl, R.; Goto, Y. & Okada, K.
Partner: UNT Libraries Government Documents Department

Collins Mechanism Contributions to Single Spin Asymmetry

Description: We present recent developments on the single transverse spin physics, in particular, the Collins mechanism contributions in various hadronic reactions, such as semi-inclusive hadron production in DIS process, azimuthal distribution of hadron in high energy jet in pp collisions. We will demonstrate that the transverse momentum dependent and collinear factorization approaches are consistent with each other in the description of the Collins effects in the semi-inclusive hadron production in DIS process.
Date: May 26, 2009
Creator: Yuan,F.
Partner: UNT Libraries Government Documents Department