dorsal/arxiv
View SchemaHeavy Meson Observables and Dyson-Schwinger Equations
| Authors | M. A. Ivanov, Yu. L. Kalinovsky, P. Maris, C. D. Roberts |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9810010 |
| URL | https://arxiv.org/abs/nucl-th/9810010 |
Abstract
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. These observations provide the basis for a study of the leptonic and semileptonic decays of heavy pseudoscalar mesons using a ``heavy-quark'' limit of the DSEs. When exact, this limit 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.
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"abstract": "Dyson-Schwinger equation (DSE) studies show that the b-quark mass-function is\napproximately constant, and that this is true to a lesser extent for the\nc-quark. These observations provide the basis for a study of the leptonic and\nsemileptonic decays of heavy pseudoscalar mesons using a ``heavy-quark\u0027\u0027 limit\nof the DSEs. When exact, this limit reduces the number of independent form\nfactors. Semileptonic decays with light mesons in the final state are also\naccessible because the DSEs provide a description of light-quark propagation\ncharacteristics and light-meson structure. A description of B-meson decays is\nstraightforward, however, the study of decays involving the D-meson indicates\nthat c-quark mass-corrections are quantitatively important.",
"arxiv_id": "nucl-th/9810010",
"authors": [
"M. A. Ivanov",
"Yu. L. Kalinovsky",
"P. Maris",
"C. D. Roberts"
],
"categories": [
"nucl-th",
"hep-ph"
],
"title": "Heavy Meson Observables and Dyson-Schwinger Equations",
"url": "https://arxiv.org/abs/nucl-th/9810010"
},
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