Heavy quarkonium hyperfine structure and leptonic decays

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dc.creatorEbert, D.
dc.creatorFaustov, R. N.
dc.creatorGalkin, V. O.
dc.date2003-08-14
dc.date.accessioned2026-07-07T03:50:24Z
dc.date.available2026-07-07T03:50:24Z
dc.descriptionThe 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.
dc.descriptionInvited talk at the XXIII Physics in Collisions Conference (PIC03), Zeuthen, Germany, June 2003, 3 pages, LaTeX. PSN FRAP05
dc.identifierhttps://arxiv.org/abs/hep-ph/0308150
dc.identifierhttp://arxiv.org/abs/hep-ph/0308150
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/42757
dc.subjectHigh Energy Physics - Phenomenology
dc.titleHeavy quarkonium hyperfine structure and leptonic decays
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