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Description
| - Using data samples of 102 x 106 ϒð1SÞ and 158 x 106 ϒð2SÞ events collected with the Belle detector, a first experimental search has been made for double-charmonium production in the exclusive decays ϒð1S; 2SÞ RIGHTWARDS ARROW J=ψðψ0Þ þ X, where X 1/4 ηc, χcJðJ 1/4 0; 1; 2Þ, ηcð2SÞ, Xð3940Þ, and Xð4160Þ. No significant signal is observed in the spectra of the mass recoiling against the reconstructed J=ψ or ψ0 except for the evidence of χc1 production with a significance of 4.6σ for ϒð1SÞ RIGHTWARDS ARROW J=ψ þ χc1. The measured branching fraction Bðϒð1SÞ RIGHTWARDS ARROW J=ψ þ χc1 Þ is 1/23.90 1.21ðstatÞ 0.23ðsystÞ x 10MINUS SIGN 6. The 90% C.L. upper limits on the branching fractions of the other modes having a significance of less than 3σ are determined. These results are consistent with theoretical calculations using the nonrelativistic QCD factorization approach.
- Using data samples of 102 x 106 ϒð1SÞ and 158 x 106 ϒð2SÞ events collected with the Belle detector, a first experimental search has been made for double-charmonium production in the exclusive decays ϒð1S; 2SÞ RIGHTWARDS ARROW J=ψðψ0Þ þ X, where X 1/4 ηc, χcJðJ 1/4 0; 1; 2Þ, ηcð2SÞ, Xð3940Þ, and Xð4160Þ. No significant signal is observed in the spectra of the mass recoiling against the reconstructed J=ψ or ψ0 except for the evidence of χc1 production with a significance of 4.6σ for ϒð1SÞ RIGHTWARDS ARROW J=ψ þ χc1. The measured branching fraction Bðϒð1SÞ RIGHTWARDS ARROW J=ψ þ χc1 Þ is 1/23.90 1.21ðstatÞ 0.23ðsystÞ x 10MINUS SIGN 6. The 90% C.L. upper limits on the branching fractions of the other modes having a significance of less than 3σ are determined. These results are consistent with theoretical calculations using the nonrelativistic QCD factorization approach. (en)
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Title
| - Evidence of ϒ(1S) -> J/ψ + χc1 and search for double-charmonium production in ϒ(1S) and ϒ(2S) decays
- Evidence of ϒ(1S) -> J/ψ + χc1 and search for double-charmonium production in ϒ(1S) and ϒ(2S) decays (en)
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skos:prefLabel
| - Evidence of ϒ(1S) -> J/ψ + χc1 and search for double-charmonium production in ϒ(1S) and ϒ(2S) decays
- Evidence of ϒ(1S) -> J/ψ + χc1 and search for double-charmonium production in ϒ(1S) and ϒ(2S) decays (en)
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skos:notation
| - RIV/00216208:11320/14:10289737!RIV15-MSM-11320___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11320/14:10289737
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - decays; K-S0pi+pi-; D-0; using; violation; indirect; for; search; mixing; bar0; D-0-D; Measurement (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Physical Review D - Particles, Fields, Gravitation and Cosmology
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Drásal, Zbyněk
- Doležal, Zdeněk
- Kodyš, Peter
- Ban, Y.
- Shen, C. P.
- Červenkov, Daniel
- Yang, S. D.
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1103/PhysRevD.90.112008
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http://localhost/t...ganizacniJednotka
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