About: Observation of exclusive Y(1S) and Y(2S) decays into light hadrons

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About: Observation of exclusive Y(1S) and Y(2S) decays into light hadrons Goto Sponge NotDistinct Permalink

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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.86.031102
Description	Using samples of 102 x 10(6) Gamma(1S) and 158 x 10(6) Gamma(2S) events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to the three-body final states phi K+K-, omega pi(+)pi(-) and K(0)(892)K-pi(+), and to the two-body Vector-Tensor states (phi f'(2)(1525), omega f(2)(1270), rho a(2)(1320) and K(0)(892)(K) over bar(0)(2)(1430)) and Axial-vector-Pseudoscalar (K-1(1270)K-+(-), K-1(1400)K-+(-) and b(1)(1235)(+)pi(-)) states. Signals are observed for the first time in the Y(1S) -> phi K+K-, omega pi(+)pi(-), KK-0(-)pi(+), KK-0(0)(2) Gamma(2S) -> phi K+K-, KK-0(-)pi(+) decay modes. Branching fractions are determined for all the processes, while 90% confidence level upper limits are established on the branching fractions for the modes with a statistical significance less than 3 sigma. The ratios of the branching fractions of Gamma(2S) and Gamma(1S) decays into the same final state are used to test a perturbative QCD prediction for OZI-suppressed bottomonium decays. Using samples of 102 x 10(6) Gamma(1S) and 158 x 10(6) Gamma(2S) events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to the three-body final states phi K+K-, omega pi(+)pi(-) and K(0)(892)K-pi(+), and to the two-body Vector-Tensor states (phi f'(2)(1525), omega f(2)(1270), rho a(2)(1320) and K(0)(892)(K) over bar(0)(2)(1430)) and Axial-vector-Pseudoscalar (K-1(1270)K-+(-), K-1(1400)K-+(-) and b(1)(1235)(+)pi(-)) states. Signals are observed for the first time in the Y(1S) -> phi K+K-, omega pi(+)pi(-), KK-0(-)pi(+), KK-0(0)(2) Gamma(2S) -> phi K+K-, KK-0(-)pi(+) decay modes. Branching fractions are determined for all the processes, while 90% confidence level upper limits are established on the branching fractions for the modes with a statistical significance less than 3 sigma. The ratios of the branching fractions of Gamma(2S) and Gamma(1S) decays into the same final state are used to test a perturbative QCD prediction for OZI-suppressed bottomonium decays. (en)
Title	Observation of exclusive Y(1S) and Y(2S) decays into light hadrons Observation of exclusive Y(1S) and Y(2S) decays into light hadrons (en)
skos:prefLabel	Observation of exclusive Y(1S) and Y(2S) decays into light hadrons Observation of exclusive Y(1S) and Y(2S) decays into light hadrons (en)
skos:notation	RIV/00216208:11320/12:10127391!RIV13-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LA10033), Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Doležal, Zdeněk 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	155530
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10127391
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hadrons; light; into; decays; Y2S; Y1S; exclusive; Observation (en)
http://linked.open.../riv/klicoveSlovo	into Observation light decays Y1S Y2S exclusive hadrons
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[67C0EA678304]
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	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	155 (xsd:int)
http://linked.open...vavai/riv/projekt	Participation in the Belle a Belle II experiments: study of B-meson decays
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	86
http://linked.open...iv/tvurceVysledku	Cho, K. Drásal, Zbyněk Doležal, Zdeněk Kodyš, Peter Adachi, I. Aihara, H. Chen, P. Bischofberger, M. Iijima, T. Yuan, C. Z. Aushev, T. Asner, D. M. Bakich, A. M. Bay, A. Belous, K. Bhuyan, B. Bonvicini, G. Boček, A. Bracko, M. Browder, T. E. Chang, M. -C. Chang, P. Chen, A. Cheon, B. G. Chilikin, K. Chistov, R. Cho, I. -S. Choi, S. -K. Choi, Y. Dalseno, J. Shen, C. P.
http://linked.open...ain/vavai/riv/wos	000307506200001
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.86.031102
http://localhost/t...ganizacniJednotka	11320

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