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공공누리This item is licensed Korea Open Government License

Title
Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in $B{0} \to D{(*)\pm}D{\mp}$ Decays.
Author(s)
M.R ohrken김정현조기현
Publication Year
2012-04-27
Abstract
Wereportmeasurementsofbranchingfractionsandtime-dependentCPasymmetriesinB0!D+D?andB0!DDdecaysusingadatasamplethatcontains(77211)106BB
pairscollectedatthe(4S)resonancewiththeBelledetectorattheKEKBasymmetric-energye+e?
collider.WedeterminethebranchingfractionstobeB
?
B0!D+D?
=(2:120:160:18)10?4
andB
?B0!DD
=(6:140:290:50)10?4.WemeasureCPasymmetryparameters
SD+D?=?1:06+0:21
?0:140:08andCD+D?=?0:430:160:05inB0!D+D?andADD=+0:06
0:050:02,SDD=?0:780:150:05,CDD=?0:010:110:04,SDD=?0:130:150:04andCDD=+0:120:110:03inB0!DD,wheretherstuncertaintyisstatisticaland
thesecondissystematic.WeexcludetheconservationofCPsymmetryinbothdecaysatequalto
orgreaterthan4signicance.
Keyword
HighEnergyPhysics; ParticlePhysics; belle
Journal Title
PhysicalReviewD
Citation Volume
85
ISSN
1550-7998
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14106
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