Charmed-meson decay constants in three-flavor lattice QCD

C. Aubin; C. Bernard; C. Detar; M. Di Pierro; E. D. Freeland; Steven Gottlieb; U. M. Heller; J. E. Hetrick; A. X. El-Khadra; A. S. Kronfeld; L. Levkova; P. B. MacKenzie; D. Menscher; F. Maresca; M. Nobes; M. Okamoto; D. Renner; J. Simone; R. Sugar; D. Toussaint; H. D. Trottier

doi:10.1103/PhysRevLett.95.122002

Charmed-meson decay constants in three-flavor lattice QCD

C. Aubin, C. Bernard, C. Detar, M. Di Pierro, E. D. Freeland, Steven Gottlieb, U. M. Heller, J. E. Hetrick, A. X. El-Khadra, A. S. Kronfeld, L. Levkova, P. B. MacKenzie, D. Menscher, F. Maresca, M. Nobes, M. Okamoto, D. Renner, J. Simone, R. Sugar, D. ToussaintH. D. Trottier

Physics

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Abstract

We present the first lattice QCD calculation with realistic sea quark content of the D+-meson decay constant fD+. We use the MILC Collaboration's publicly available ensembles of lattice gauge fields, which have a quark sea with two flavors (up and down) much lighter than a third (strange). We obtain fD+=201±3±17MeV, where the errors are statistical and a combination of systematic errors. We also obtain fDs=249±3±16MeV for the Ds meson.

Original language	English (US)
Article number	122002
Journal	Physical review letters
Volume	95
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.95.122002
State	Published - Sep 16 2005

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General Physics and Astronomy

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Aubin, C., Bernard, C., Detar, C., Di Pierro, M., Freeland, E. D., Gottlieb, S., Heller, U. M., Hetrick, J. E., El-Khadra, A. X., Kronfeld, A. S., Levkova, L., MacKenzie, P. B., Menscher, D., Maresca, F., Nobes, M., Okamoto, M., Renner, D., Simone, J., Sugar, R., ... Trottier, H. D. (2005). Charmed-meson decay constants in three-flavor lattice QCD. Physical review letters, 95(12), Article 122002. https://doi.org/10.1103/PhysRevLett.95.122002

Aubin, C, Bernard, C, Detar, C, Di Pierro, M, Freeland, ED, Gottlieb, S, Heller, UM, Hetrick, JE, El-Khadra, AX, Kronfeld, AS, Levkova, L, MacKenzie, PB, Menscher, D, Maresca, F, Nobes, M, Okamoto, M, Renner, D, Simone, J, Sugar, R, Toussaint, D & Trottier, HD 2005, 'Charmed-meson decay constants in three-flavor lattice QCD', Physical review letters, vol. 95, no. 12, 122002. https://doi.org/10.1103/PhysRevLett.95.122002

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abstract = "We present the first lattice QCD calculation with realistic sea quark content of the D+-meson decay constant fD+. We use the MILC Collaboration's publicly available ensembles of lattice gauge fields, which have a quark sea with two flavors (up and down) much lighter than a third (strange). We obtain fD+=201±3±17MeV, where the errors are statistical and a combination of systematic errors. We also obtain fDs=249±3±16MeV for the Ds meson.",

author = "C. Aubin and C. Bernard and C. Detar and {Di Pierro}, M. and Freeland, {E. D.} and Steven Gottlieb and Heller, {U. M.} and Hetrick, {J. E.} and El-Khadra, {A. X.} and Kronfeld, {A. S.} and L. Levkova and MacKenzie, {P. B.} and D. Menscher and F. Maresca and M. Nobes and M. Okamoto and D. Renner and J. Simone and R. Sugar and D. Toussaint and Trottier, {H. D.}",

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AU - Aubin, C.

AU - Bernard, C.

AU - Detar, C.

AU - Di Pierro, M.

AU - Freeland, E. D.

AU - Gottlieb, Steven

AU - Heller, U. M.

AU - Hetrick, J. E.

AU - El-Khadra, A. X.

AU - Kronfeld, A. S.

AU - Levkova, L.

AU - MacKenzie, P. B.

AU - Menscher, D.

AU - Maresca, F.

AU - Nobes, M.

AU - Okamoto, M.

AU - Renner, D.

AU - Simone, J.

AU - Sugar, R.

AU - Toussaint, D.

AU - Trottier, H. D.

PY - 2005/9/16

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AB - We present the first lattice QCD calculation with realistic sea quark content of the D+-meson decay constant fD+. We use the MILC Collaboration's publicly available ensembles of lattice gauge fields, which have a quark sea with two flavors (up and down) much lighter than a third (strange). We obtain fD+=201±3±17MeV, where the errors are statistical and a combination of systematic errors. We also obtain fDs=249±3±16MeV for the Ds meson.

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Charmed-meson decay constants in three-flavor lattice QCD

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