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- Title
- Precision Top-Quark Mass Measurement at CDF
- Author(s)
- T.Aaltonen; 노서영; 배태길; 조기현
- Publication Year
- 2012-10-09
- Abstract
-
Wepresentaprecisionmeasurementofthetop-quarkmassusingthefullsampleofTevatronffisffiffi
p
¼
1:96TeVproton-antiprotoncollisionscollectedbytheCDFIIdetector,correspondingtoanintegrated
luminosityof8:7fb1.Usingasampleofttcandidateeventsdecayingintotheleptonþjetschannel,we
obtaindistributionsofthetop-quarkmassesandtheinvariantmassoftwojetsfromtheWbosondecays
fromdata.Wethencomparethesedistributionstotemplatesderivedfromsignalandbackgroundsamples
toextractthetop-quarkmassandtheenergyscaleofthecalorimeterjetswithinsitucalibration.The
likelihoodfitofthetemplatesfromsignalandbackgroundeventstothedatayieldsthesinglemost-precise
measurementofthetop-quarkmass,Mtop
¼172:850:71ðstatÞ0:85ðsystÞGeV=c2.
- Keyword
- HighEnergyPhysics; ParticlePhysics; CDF
- Journal Title
- PhysicalReviewLetters
- Citation Volume
- 109
- ISSN
- 0031-9007
- Files in This Item:
- There are no files associated with this item.
- Appears in Collections:
- 7. KISTI 연구성과 > 학술지 발표논문
