Towards the spectrum of low-lying particles in supersymmetric Yang-Mills theory

Abstract

We present the current results of our simulations of N=1 supersymmetric Yang-Mills theory on a lattice. The masses of the gluino-glue particle, the a-eta-prime, the a-f0 meson, and the scalar glueball are obtained at finer lattice spacing than before, and extrapolations towards vanishing gluino mass are made. The calculations employ different levels of stout smearing. The statistical accuracy as well as the control of finite size effects and lattice artefacts are better than in previous investigations. Taking the statistical and systematic uncertainties into account, the extrapolations towards vanishing gluino mass of the masses of the fermionic and bosonic states in our present calculations are consistent with the formation of degenerate supermultiplets.

10 pages, 4 figures, revised version as being published

References in corpus (4)

• Computing K and D meson masses with N_f = 2+1+1 twisted mass lattice QCD
• Simulation of 4d N=1 supersymmetric Yang-Mills theory with Symanzik improved gauge action and stout smearing
• Hadron masses in QCD with one quark flavour
• The gluino-glue particle and finite size effects in supersymmetric Yang-Mills theory

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