The topological susceptibility and pion decay constant from lattice QCD

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dc.creatorUKQCD Collaboration
dc.creatorHart, A.
dc.creatorTeper, M.
dc.date2000-09-08
dc.date.accessioned2026-07-07T03:38:22Z
dc.date.available2026-07-07T03:38:22Z
dc.descriptionWe study the topological susceptibility, chi, in two flavour lattice QCD. We find clear evidence for the expected suppression of chi at small quark mass. The estimate of the pion decay constant, f_pi = 105 +/-5 +18/-10 MeV, is consistent with the experimental value of approximately 93 MeV. We compare chi to the large-N_c prediction and find consistency over a large range of quark masses.
dc.descriptionA condensed hep-ph/0004180 (3 pages) presented at Confinement IV, Vienna, July 2000
dc.identifierhttps://arxiv.org/abs/hep-lat/0009008
dc.identifierhttp://arxiv.org/abs/hep-lat/0009008
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/38502
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe topological susceptibility and pion decay constant from lattice QCD
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