Lattice heavy-meson decay constants and fermion universality

R. M. Woloshyn; T. Draper; K. F. Liu; W. Wilcox

doi:10.1103/PhysRevD.39.978

Lattice heavy-meson decay constants and fermion universality

R. M. Woloshyn, T. Draper, K. F. Liu, W. Wilcox

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Abstract

The mass dependence of decay constants for vector and pseudoscalar mesons is calculated using both Wilson and staggered-fermion formulations in quenched lattice QCD. For low meson masses, the agreement of the two methods is good and the determination of the vector decay constant agrees with experiment. For pseudoscalar heavy-quark light-quark systems, we find reasonable agreement between the two fermion formulations as long as Ma 1, where M is the meson mass.

Original language	English
Pages (from-to)	978-981
Number of pages	4
Journal	Physical review D
Volume	39
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.39.978
State	Published - 1989

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevD.39.978

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title = "Lattice heavy-meson decay constants and fermion universality",

abstract = "The mass dependence of decay constants for vector and pseudoscalar mesons is calculated using both Wilson and staggered-fermion formulations in quenched lattice QCD. For low meson masses, the agreement of the two methods is good and the determination of the vector decay constant agrees with experiment. For pseudoscalar heavy-quark light-quark systems, we find reasonable agreement between the two fermion formulations as long as Ma 1, where M is the meson mass.",

author = "Woloshyn, {R. M.} and T. Draper and Liu, {K. F.} and W. Wilcox",

year = "1989",

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language = "English",

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T1 - Lattice heavy-meson decay constants and fermion universality

AU - Woloshyn, R. M.

AU - Draper, T.

AU - Liu, K. F.

AU - Wilcox, W.

PY - 1989

Y1 - 1989

N2 - The mass dependence of decay constants for vector and pseudoscalar mesons is calculated using both Wilson and staggered-fermion formulations in quenched lattice QCD. For low meson masses, the agreement of the two methods is good and the determination of the vector decay constant agrees with experiment. For pseudoscalar heavy-quark light-quark systems, we find reasonable agreement between the two fermion formulations as long as Ma 1, where M is the meson mass.

AB - The mass dependence of decay constants for vector and pseudoscalar mesons is calculated using both Wilson and staggered-fermion formulations in quenched lattice QCD. For low meson masses, the agreement of the two methods is good and the determination of the vector decay constant agrees with experiment. For pseudoscalar heavy-quark light-quark systems, we find reasonable agreement between the two fermion formulations as long as Ma 1, where M is the meson mass.

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U2 - 10.1103/PhysRevD.39.978

DO - 10.1103/PhysRevD.39.978

M3 - Article

AN - SCOPUS:0000634411

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SP - 978

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JO - Physical review D

JF - Physical review D

IS - 3

ER -

Lattice heavy-meson decay constants and fermion universality

Abstract

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