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Title
Measurement of the Difference in CP-Violating Asymmetries in D0→K+K- and D0→π+π- Decays at CDF
Author(s)
T.Aaltonen노서영배태길조기현
Publication Year
2012-09-11
Abstract
Wereportameasurementofthedifference(ACP)betweentime-integratedCP-violatingasymmetriesin
D0!KþKandD0!þdecaysreconstructedinthefulldatasetofproton-antiprotoncollisions
collectedbytheColliderDetectoratFermilab,correspondingto9:7fb1ofintegratedluminosity.The
strongdecayDþ!D0þisusedtoidentifythecharmmesonatproductionasD0orD0.Wemeasure
ACP
¼½0:620:21ðstatÞ0:10ðsystÞ%,whichdiffersfromzeroby2.7Gaussianstandarddeviations.
ThisresultsupportssimilarevidenceforCPviolationincharm-quarkdecaysobtainedinproton-proton
collisions.
Keyword
HighEnergyPhysics; ParticlePhysics; CDF
Journal Title
PhysicalReviewLetters
Citation Volume
109
ISSN
0031-9007
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14000
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