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공공누리This item is licensed Korea Open Government License

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
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7. KISTI 연구성과 > 학술지 발표논문
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