Hauptseite > Institutssammlungen > JSC > Flavor singlet pseudoscalar masses in N f = 2 QCD > print

001     860323
005     20200914101529.0
024 7 _ |a 10.1103/PhysRevD.63.074503
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037 _ _ |a FZJ-2019-01098
082 _ _ |a 530
100 1 _ |a Struckmann, T.
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245 _ _ |a Flavor singlet pseudoscalar masses in N f = 2 QCD
260 _ _ |a Melville, NY
|c 2001
|b Inst.812068
264 _ 1 |3 online
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|b American Physical Society (APS)
|c 2001-03-05
264 _ 1 |3 print
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|b American Physical Society (APS)
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520 _ _ |a We perform a lattice mass analysis in the flavor singlet pseudoscalar channel on the SESAM and TχL full QCD vacuum configurations, with 2 active flavors of dynamical Wilson fermions at β=5.6. At our inverse lattice spacing, a−1≈2.3 GeV, we retrieve by a chiral extrapolation to the physical light quark masses the value mη′=3.7+8−4mπ. A crude extrapolation from (Nf=3) phenomenology would suggest mη′≈5.1mπ for Nf=2 QCD. We verify that the mass gap between the singlet state η′ and the π flavor triplet state is due to gauge configurations with nontrivial topology.
542 _ _ |i 2001-03-05
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700 1 _ |a Schilling, K.
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700 1 _ |a Bali, G.
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700 1 _ |a Eicker, N.
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700 1 _ |a Güsken, S.
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700 1 _ |a Lippert, Th.
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700 1 _ |a Neff, H.
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700 1 _ |a Orth, B.
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700 1 _ |a Schroers, W.
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700 1 _ |a Viehoff, J.
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700 1 _ |a Ueberholz, P.
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773 1 8 |a 10.1103/physrevd.63.074503
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|t Physical Review D
|v 63
|y 2001
|x 0556-2821
773 _ _ |a 10.1103/PhysRevD.63.074503
|g Vol. 63, no. 7, p. 074503
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|t Physical review / D
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