Heavy meson observables and Dyson Schwinger equations.

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Dyson-Schwinger equation (DSE) studies show that the b-quark mass-function is approximately constant, and that this is true to a lesser extent for the c-quark. This observation provides the basis for a study of the leptonic and semileptonic decays of heavy pseudoscalar mesons using a ''heavy-quark'' limit of the DSES, which, when exact, reduces the number of independent form factors. Semileptonic decays with light mesons in the final state are also accessible because the DSES provide a description of light-quark propagation characteristics and light-meson structure. A description of B-meson decays is straightforward, however, the study of decays involving the D-meson indicates ... continued below

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13 p.

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Ivanov, M. A. October 20, 1998.

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Description

Dyson-Schwinger equation (DSE) studies show that the b-quark mass-function is approximately constant, and that this is true to a lesser extent for the c-quark. This observation provides the basis for a study of the leptonic and semileptonic decays of heavy pseudoscalar mesons using a ''heavy-quark'' limit of the DSES, which, when exact, reduces the number of independent form factors. Semileptonic decays with light mesons in the final state are also accessible because the DSES provide a description of light-quark propagation characteristics and light-meson structure. A description of B-meson decays is straightforward, however, the study of decays involving the D-meson indicates that c-quark mass-corrections are quantitatively important.

Physical Description

13 p.

Notes

INIS; OSTI as DE00011052

Medium: P; Size: 13 pages

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  • International Conference on Problems of Quantum Field Theory (dedicated to the 90th anniversary of D.I. Blokhintsev 1908-1979), Dubna (RU), 07/13/1998--07/17/1998

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  • Report No.: ANL/PHY/CP-97471
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11052
  • Archival Resource Key: ark:/67531/metadc626742

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  • October 20, 1998

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  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 1:14 p.m.

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Ivanov, M. A. Heavy meson observables and Dyson Schwinger equations., article, October 20, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc626742/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.