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T: Fachverband Teilchenphysik

T 23: Quantenfeldtheorie 1

T 23.1: Gruppenbericht

Dienstag, 5. März 2013, 16:45–17:05, WIL-C129

N=1 supersymmetric Yang-Mills theory on the lattice — Georg Bergner³, Istvan Montvay², •Gernot Münster¹, Umut D. Özugurel¹, Stefano Piemonte¹, and Dirk Sandbrink¹ — ¹Universität Münster — ²DESY Hamburg — ³Universität Frankfurt

N=1 supersymmetric Yang-Mills theory describes interacting gauge fields and their superpartners, the spin 1/2 gluinos. A gluino mass term breaks supersymmetry softly. In the supersymmetric limit, the physical particles are expected to form supermultiplets. Past numerical simulations on the lattice were afflicted by significant systematic errors and did not show a clear picture of degenerate multiplets. We report about progress in the study of systematic effects and about the present status of the results.