1981
DOI: 10.1103/physrevlett.46.92
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Total Width and Leptonic Branching Ratio of theϒ(9.46)

Abstract: With use of the LENA detector at the DORIS e+e~ storage ring, the hadronic cross section and the ju-pair decay branching ratio of the T(9.46) resonance have been measured. r ee = 1.23±0.10 (±0.14) keV, B^ = [3.5±1A (±0.4)]%, and r tot = S5t\l (!?) keV have been obtained. The first set of errors gives the statistical uncertainty. The numbers in parentheses represent systematic errors arising from the uncertainty in the total hadronic cross section.PACS numbers: 13.20.Jf, 13.65.+iThe discovery of T(9.46) in prot… Show more

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Cited by 38 publications
(2 citation statements)
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“…[52], and gave 5.48 (16) keV , consistent with the experimental data. This indicates that the disagreement of our results with the experimental data may be due to the lack of QCD corrections.…”
Section: Charmonium Leptonic Decay Widthssupporting
confidence: 84%
See 1 more Smart Citation
“…[52], and gave 5.48 (16) keV , consistent with the experimental data. This indicates that the disagreement of our results with the experimental data may be due to the lack of QCD corrections.…”
Section: Charmonium Leptonic Decay Widthssupporting
confidence: 84%
“…The vector quarkonium leptonic decays have been studied since a long time [15][16][17][18][19][20][21]. With the progress in computer science and experimental technology, many advances have been reported in literature.…”
Section: υ ′mentioning
confidence: 99%