Heavy quarkonium hyperfine structure and leptonic decays
| Autor: | Ebert, D., Faustov, R. N., Galkin, V. O. |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2003 |
| Předmět: |
charmonium
width [quarkonium] hyperfine structure High Energy Physics::Phenomenology bottomonium FOS: Physical sciences Zeuthen 2003/06/26 [talk] BELLE eta/c(3590) relativistic [correction] High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph) interpretation of experiments [numerical calculations] BaBar radiative correction hadron spectroscopy [quarkonium] High Energy Physics::Experiment decay constant [vector meson] leptonic decay [quarkonium] |
| Zdroj: | 354-356 (2003). 23rd International Conference on Physics in Collision, PIC 2003, Zeuthen, Germany, 2003-06-26-2003-06-28 |
| Popis: | The relation between the hyperfine structure and leptonic decay rates of heavy quarkonia is considered with the account of relativistic and radiative corrections. The calculated decay rates agree well with the available experimental data, while the predicted eta_c(2S) mass is significantly smaller than the value measured recently by the Belle and BaBar Collaborations. Invited talk at the XXIII Physics in Collisions Conference (PIC03), Zeuthen, Germany, June 2003, 3 pages, LaTeX. PSN FRAP05 |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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