About: Search for B-s(0) -} hh decays at the Y(5S) resonance

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We have searched for B-s(0) --} hh decays, where h stands for a charged or neutral kaon, or a charged pion. These results are based on a 23: 6 fb(-1) data sample collected with the Belle detector on the Y(5S) resonance at the KEKB asymmetric-energy e(+)e(-) collider, containing 1.25 x 10(6) B-s(()())(B) over bar (()(s)()) events. We observe the decay B-s(0) --} K+K- and measure its branching fraction, B(B-s(0) --} K+K-) = [3.8(-0.9)(+1.0)(stat) +/- 0.5(syst) +/- 0.5(f(s))] x 10(-5). The first error is statistical, the second is systematic, and the third error is due to the uncertainty in the B-s(0) production fraction in e(+)e(-) --} b (b) over bar events. No significant signals are seen in other decay modes, and we set upper limits at the 90% confidence level: B(B-s(0) --} K- pi+) { 1.2 x 10(-5), B(B-s(0) --} pi(+)pi(-)) { 2.6 x 10(-5), and B(B-s(0) --} K-0(K) over bar (0)) { 6.6 x 10(-5). We have searched for B-s(0) --} hh decays, where h stands for a charged or neutral kaon, or a charged pion. These results are based on a 23: 6 fb(-1) data sample collected with the Belle detector on the Y(5S) resonance at the KEKB asymmetric-energy e(+)e(-) collider, containing 1.25 x 10(6) B-s(()())(B) over bar (()(s)()) events. We observe the decay B-s(0) --} K+K- and measure its branching fraction, B(B-s(0) --} K+K-) = [3.8(-0.9)(+1.0)(stat) +/- 0.5(syst) +/- 0.5(f(s))] x 10(-5). The first error is statistical, the second is systematic, and the third error is due to the uncertainty in the B-s(0) production fraction in e(+)e(-) --} b (b) over bar events. No significant signals are seen in other decay modes, and we set upper limits at the 90% confidence level: B(B-s(0) --} K- pi+) { 1.2 x 10(-5), B(B-s(0) --} pi(+)pi(-)) { 2.6 x 10(-5), and B(B-s(0) --} K-0(K) over bar (0)) { 6.6 x 10(-5). (en)
Title	Search for B-s(0) -} hh decays at the Y(5S) resonance Search for B-s(0) -} hh decays at the Y(5S) resonance (en)
skos:prefLabel	Search for B-s(0) -} hh decays at the Y(5S) resonance Search for B-s(0) -} hh decays at the Y(5S) resonance (en)
skos:notation	RIV/00216208:11320/10:10062473!RIV11-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	7
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kodyš, Peter
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	286539
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/10:10062473
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	GAMMA; PHYSICS; VIOLATION (en)
http://linked.open.../riv/klicoveSlovo	GAMMA VIOLATION PHYSICS
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7C842B3241AA]
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	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	141 (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	2010
http://linked.open...v/svazekPeriodika	82
http://linked.open...iv/tvurceVysledku	Kodyš, Peter Adachi, I. Chang, P. Peng, C. C.
http://linked.open...ain/vavai/riv/wos	000283051700002
http://linked.open...n/vavai/riv/zamer	Výzkum vlastností jader a subjaderných částic a jejich interakcí
issn	1550-7998
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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