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Title
Measurements of Angular Distributions of Muons From $\Upsilon$ Meson Decays in $p\bar{p}$ Collisions at $\sqrt{s}=1.96$ TeV.
Author(s)
T.Aaltonen노서영배태길조기현
Publication Year
2012-04-11
Abstract
Theangulardistributionsofmuonsfrom(1S2S3S)∪┢+┢?decaysaremeasuredusingdata
fromppcollisionsat£s=1.96TeVcorrespondingtoanintegratedluminosityof6.7fb?1and
collectedwiththeCDFIIdetectorattheFermilabTevatron.ThisanalysisisthefirsttoreportthefullangulardistributionsasfunctionsoftransversemomentumpTformesonsinboththe
Collins?Soperands?channelhelicityframes.Thisisalsothefirstmeasurementofspinalignment
of(3S)mesons.Withinthekinematicrangeofrapidity

y

0.6andpTupto40GeV/cthe
angulardistributionsarefoundtobenearlyisotropic.
Keyword
HighEnergyPhysics; ParticlePhysics; CDF
Journal Title
PhysicalReviewLetters
Citation Volume
108
ISSN
0031-9007
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14027
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