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Title
Search for a Higgs boson in the diphoton final state using the full CDF data set from proton-antiproton collisions at √s=1.96 TeV.
Author(s)
T.Aaltonen노서영배태길조기현
Publication Year
2012-10-22
Abstract
AsearchforanarrowHiggsbosonresonanceinthediphotonmassspectrumispresentedbased
ondatacorrespondingto10fb?1ofintegratedluminosityfromproton-antiprotoncollisionsat
p
s=
1.96TeVcollectedbytheCDFexperiment.Inadditiontosearchingforaresonanceinthediphoton
massspectrum,weemployamultivariatediscriminanttechniqueforthersttimeinthischannel
atCDF.Noevidenceofsignalisobserved,andupperlimitsaresetonthecrosssectiontimes
branchingratiooftheresonantstateasafunctionofHiggsbosonmass.Thelimitsareinterpreted
inthecontextofthestandardmodelwithanexpected(observed)limitonthecrosssectiontimes
branchingratioof9.9(17.0)timesthestandardmodelpredictionatthe95%credibilitylevelfora
Higgsbosonmassof125GeV/c2.Moreover,aHiggsbosonwithsuppressedcouplingstofermions
isexcludedformassesbelow114GeV/c2atthe95%credibilitylevel.
Keyword
HighEnergyPhysics; ParticlePhysics; CDF
Journal Title
PhysicsLetterB
Citation Volume
717
ISSN
0370-2693
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/13997
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