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- dc.contributor.author
- C-T,Hoi
- dc.contributor.author
- 김정현
- dc.contributor.author
- 조기현
- dc.date.accessioned
- 2019-08-28T07:41:04Z
- dc.date.available
- 2019-08-28T07:41:04Z
- dc.date.issued
- 2012-01-20
- dc.identifier.issn
- 0031-9007
- dc.identifier.uri
- https://repository.kisti.re.kr/handle/10580/13992
- dc.description.abstract
-
WereportmeasurementsofthebranchingfractionsandCPasymmetriesforB!h(h¼Kor)
andtheobservationofthedecayB0!K0fromthefinaldatasampleof772106BBpairscollected
withtheBelledetectorattheKEKBasymmetric-energyeþecollider.Themeasuredbranchingfractions
areBðB!KÞ¼ð2:120:230:11Þ106,BðB!Þ¼ð4:070:260:21Þ106,
andBðB0!K0Þ¼ð1:27þ0:33
0:29
0:08Þ106,wherethelastdecayisobservedforthefirsttime
withasignificanceof5.4standarddeviations().WealsofindevidenceforCPviolationinthechargedB
modes,ACP
ðB!KÞ¼0:380:110:01andACP
ðB!Þ¼0:190:060:01with
significancesof3:8and3:0,respectively.Forallmeasurements,thefirstandseconduncertaintiesare
statisticalandsystematic,respectively.
- dc.language
- eng
- dc.relation.ispartofseries
- PhysicalReviewLetters
- dc.title
- Evidence for Direct CP Violation in $B\pm \to \eta h\pm$ and Observation of $B0 \to \eta K0$.
- dc.citation.startPage
- 31801
- 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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