Collaborative Research: Human Resources for Computational High Energy Physics

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This is a group proposal in computational high energy physics to be carried out by theMILC Collaboration This research addresses fundamentalquestions in high energy and nuclear physics, and is directly related to majorexperimental programs in these fields. It requires very large scale numerical calculationsthat are widely recognized as one of the grand challenges of computational science.The human resources proposed here will enable us to attack several crucial new physicsissues. These include (1) a study of the electromagnetic effects and nonperturbative massrenormalization needed to obtain a precise determination of the masses of the light quarks(2) a new high-precision theoretical determination of the nucleon mass (3) a determinationof mixing parameters for the B and K mesons needed to fix fundamental constants in natureand (4) a study of the thermodynamics of the quark-gluon plasma at nonzero nucleardensity. These initiatives require the development of new application codes within theMILC framework, the running of those codes, and the detailed analysis of the output toextract the relevant physical results. This project supports the needed postdoctoralresearch associates to carry this work to fruition.