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- dc.contributor.author
- Y.Sato
- dc.contributor.author
- 김정현
- dc.contributor.author
- 조기현
- dc.date.accessioned
- 2019-08-28T07:41:15Z
- dc.date.available
- 2019-08-28T07:41:15Z
- dc.date.issued
- 2012-04-23
- dc.identifier.issn
- 0031-9007
- dc.identifier.uri
- https://repository.kisti.re.kr/handle/10580/14107
- dc.description.abstract
-
WereportameasurementoftheCP-violationparametersin21attheð5SÞresonanceusinganew
taggingmethod,called‘‘B-tagging.’’Inð5SÞdecayscontaininganeutralBmeson,achargedB,anda
chargedpion,theneutralBisreconstructedintheJ=cK0S
CP-eigenstatedecaychannel.Theinitialflavor
oftheneutralBmesonatthemomentoftheð5SÞdecayisoppositetothatofthechargedBandmaythus
beinferredfromthechargeofthepionwithoutreconstructingthechargedB.Fromtheasymmetry
betweenB-þandB-taggedJ=cK0S
yields,wedeterminesin21
¼0:570:58ðstatÞ0:06ðsystÞ.
Theresultsarebasedon121fb1ofdatarecordedbytheBelledetectorattheKEKBeþecollider.
- dc.language
- eng
- dc.relation.ispartofseries
- PhysicalReviewLetters
- dc.title
- Measurement of the CP-violation Parameter sin2\phi_1 with a New Tagging Method at the \Upsilon(5S) Resonance.
- dc.citation.startPage
- 171801
- dc.citation.volume
- 108
- dc.subject.keyword
- HighEnergyPhysics
- dc.subject.keyword
- ParticlePhysics
- dc.subject.keyword
- belle
- Appears in Collections:
- 7. KISTI 연구성과 > 학술지 발표논문
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