About: Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays

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About: Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://prl.aps.org/pdf/PRL/v107/i22/e221801
Description	We report the first observation of the doubly Cabibbo-suppressed decays D(+) -} K(+)eta(()''()) using a 791 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The ratio of the branching fractions of doubly Cabibbo-suppressed relative to singly Cabibbo-suppressed D(+) -} pi(+)eta(()''()) decays are B(D(+) -} K(+)eta) / B(D(+) -} pi(+)eta) =(3.06 +/- 0.43 +/- 0.14)% and B(D(+) -} K(+)eta'')/B(D(+)-}pi(+)eta'') = (3.77 +/- 0.39 +/- 0.10)%. From these, we find that the relative final-state phase difference between the tree and annihilation amplitudes in D(+) decays, delta(TA), is (72 +/- 9)degrees or (288 +/- 9)degrees. We also report the most precise measurements of CP asymmetries to date: A(CP)(D+-}pi+eta) = (+1.74 +/- 1.13 +/- 0.19)% and A(CP)(D+-}pi+eta'') = (-0.12 +/- 1.12 +/- 0.17)%. We report the first observation of the doubly Cabibbo-suppressed decays D(+) -} K(+)eta(()''()) using a 791 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The ratio of the branching fractions of doubly Cabibbo-suppressed relative to singly Cabibbo-suppressed D(+) -} pi(+)eta(()''()) decays are B(D(+) -} K(+)eta) / B(D(+) -} pi(+)eta) =(3.06 +/- 0.43 +/- 0.14)% and B(D(+) -} K(+)eta'')/B(D(+)-}pi(+)eta'') = (3.77 +/- 0.39 +/- 0.10)%. From these, we find that the relative final-state phase difference between the tree and annihilation amplitudes in D(+) decays, delta(TA), is (72 +/- 9)degrees or (288 +/- 9)degrees. We also report the most precise measurements of CP asymmetries to date: A(CP)(D+-}pi+eta) = (+1.74 +/- 1.13 +/- 0.19)% and A(CP)(D+-}pi+eta'') = (-0.12 +/- 1.12 +/- 0.17)%. (en)
Title	Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays (en)
skos:prefLabel	Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays (en)
skos:notation	RIV/00216208:11320/11:10105829!RIV12-MSM-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LA10033), Z(MSM0021620859)
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2012
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	217319
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10105829
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	D decay; CP violation; BELLE (en)
http://linked.open.../riv/klicoveSlovo	BELLE CP violation D decay
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[7C12D8614E42]
http://linked.open...i/riv/nazevZdroje	Physical Review Letters
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	170 (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	2011
http://linked.open...v/svazekPeriodika	107
http://linked.open...iv/tvurceVysledku	Drásal, Zbyněk Doležal, Zdeněk Kodyš, Peter Adachi, I. Ko, B. R. Won, Eunil
http://linked.open...ain/vavai/riv/wos	000297292000003
http://linked.open...n/vavai/riv/zamer	Výzkum vlastností jader a subjaderných částic a jejich interakcí
issn	0031-9007
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevLett.107.221801
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays Observation of D(+) -} K(+)eta(()'()) and Search for CP Violation in D(+) -} pi(+)eta(()'()) Decays

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