About: Search for double charmonium decays of the P-wave spin-triplet bottomonium states

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1103/PhysRevD.85.071102
Description	Using a sample of 158 x 10(6) Y(2S) events collected with the Belle detector, we search for the first time for double-charmonium decays of the P-wave spin-triplet bottomonium states (Y(2S) -> gamma chi(bJ), chi(bJ) -> J/psi J/psi, J/psi psi', psi'psi' for J 0, 1, and 2). No significant chi(bJ) signal is observed in the double-charmonium mass spectra, and we obtain the following upper limits: B(chi(bJ) -> J/psi J/psi) < 7.1 x 10(-5), 2.7 x 10(-5), 4.5 x 10(-5), B(chi(bJ) -> J/psi psi') < 1.2 x 10(-4), 1. 7 x 10(-5), 4.9 x 10(-5), B(chi(bJ) -> psi'psi') < 3.1 x 10(-5), 6.2 x 10(-5), 1.6 x 10(-5) for J = 0, 1, and 2, respectively, at the 90% confidence level. These limits are significantly lower than the central values (with uncertainties of 50% to 70%) predicted using the light cone formalism but are consistent with calculations using the nonrelativistic QCD (NRQCD) factorization approach. Using a sample of 158 x 10(6) Y(2S) events collected with the Belle detector, we search for the first time for double-charmonium decays of the P-wave spin-triplet bottomonium states (Y(2S) -> gamma chi(bJ), chi(bJ) -> J/psi J/psi, J/psi psi', psi'psi' for J 0, 1, and 2). No significant chi(bJ) signal is observed in the double-charmonium mass spectra, and we obtain the following upper limits: B(chi(bJ) -> J/psi J/psi) < 7.1 x 10(-5), 2.7 x 10(-5), 4.5 x 10(-5), B(chi(bJ) -> J/psi psi') < 1.2 x 10(-4), 1. 7 x 10(-5), 4.9 x 10(-5), B(chi(bJ) -> psi'psi') < 3.1 x 10(-5), 6.2 x 10(-5), 1.6 x 10(-5) for J = 0, 1, and 2, respectively, at the 90% confidence level. These limits are significantly lower than the central values (with uncertainties of 50% to 70%) predicted using the light cone formalism but are consistent with calculations using the nonrelativistic QCD (NRQCD) factorization approach. (en)
Title	Search for double charmonium decays of the P-wave spin-triplet bottomonium states Search for double charmonium decays of the P-wave spin-triplet bottomonium states (en)
skos:prefLabel	Search for double charmonium decays of the P-wave spin-triplet bottomonium states Search for double charmonium decays of the P-wave spin-triplet bottomonium states (en)
skos:notation	RIV/00216208:11320/12:10127211!RIV13-MSM-11320___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kodyš, Peter Drásal, Zbyněk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	166970
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10127211
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	kekb; identification; belle (en)
http://linked.open.../riv/klicoveSlovo	identification kekb belle
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7EE763A64AB7]
http://linked.open...i/riv/nazevZdroje	Physical Review D - Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	142 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	85
http://linked.open...iv/tvurceVysledku	Cho, K. Drásal, Zbyněk Kodyš, Peter Adachi, I. Aihara, H. Arinstein, K. Bischofberger, M. Iijima, T. Yuan, C. Z. Aushev, T. Eidelman, S. Asner, D. M. Bakich, A. M. Bhuyan, B. Boček, A. Bracko, M. Browder, T. E. Chang, M. -C. Chen, A. Cheon, B. G. Chilikin, K. Chistov, R. Cho, I. -S. Choi, S. -K. Choi, Y. Drutskoy, A. Fast, J. E. Gabyshev, N. Gaur, V. Dalseno, J. Shen, C. P.
http://linked.open...ain/vavai/riv/wos	000302962000002
http://linked.open...n/vavai/riv/zamer	Výzkum vlastností jader a subjaderných částic a jejich interakcí
issn	1550-7998
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevD.85.071102
http://localhost/t...ganizacniJednotka	11320

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