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Topological susceptibility for the SU(3) Yang--Mills theory

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Original languageEnglish
Pages (from-to)603–605
Number of pages3
JournalNuclear Physics B - Proceedings Supplements
Volume140
DOIs
Publication statusPublished - 16 Sep 2004
EventLATTICE 2004 — Proceedings of the XXIInd International Symposium on Lattice Field Theory - Batavia, United States
Duration: 21 Jun 2004 → …

Abstract

We present the results of a computation of the topological susceptibility in the SU(3) Yang--Mills theory performed by employing the expression of the topological charge density operator suggested by Neuberger's fermions. In the continuum limit we find r_0^4 chi = 0.059(3), which corresponds to chi=(191 \pm 5 MeV)^4 if F_K is used to set the scale. Our result supports the Witten--Veneziano explanation for the large mass of the eta'.

    Research areas

  • hep-lat

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