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- W1989702923 abstract "In a recent paper, Hatzis has estimated the masses and weak decay constants of b-flavored pseudoscalar mesons in a broken chiral SU(5) × SU(5) symmetry method. The estimated weak decay constant of B meson, [Formula: see text], however, does not agree with the value [Formula: see text] evaluated by Mathur et al. with the quantum chromodynamics (QCD) sum-rule model. We re-examined the problem applying the broken chiral SU(5) × SU(5) symmetry approach using a set of mass formulae. With this method we estimate the symmetry-breaking parameters and decay constants of pseudoscalar mesons. We found a consistent result for the decay constant: [Formula: see text]. The explicit numerical value of these constants, however, are lower than that of the QCD sum rule. This may be due to the limited validity of the broken chiral symmetry approach for heavy mesons." @default.
- W1989702923 created "2016-06-24" @default.
- W1989702923 creator A5067569032 @default.
- W1989702923 creator A5072882952 @default.
- W1989702923 date "1985-10-01" @default.
- W1989702923 modified "2023-09-27" @default.
- W1989702923 title "Remarks on broken chiral SU(5) × SU(5) symmetry and B mesons" @default.
- W1989702923 doi "https://doi.org/10.1139/p85-213" @default.
- W1989702923 hasPublicationYear "1985" @default.
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