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Title
Search for Higgs Bosons Produced in Association with $b$-quarks.
Author(s)
T.Aaltonen조기현
Publication Year
2012-02-22
Abstract
WepresentasearchforneutralHiggsbosonsdecayingintobb,producedinassociationwithbquarks
inppcollisions.Thisprocesscouldbeobservableinsupersymmetricmodelswithhighvaluesoftan.
Theeventsamplecorrespondsto2:6fb1ofintegratedluminositycollectedwiththeCDFIIdetectorat
theFermilabTevatroncollider.Wesearchforanenhancementinthemassofthetwoleadingjetsinevents
withthreejetsidentifiedascomingfrombquarksusingadisplacedvertexalgorithm.Adata-driven
procedureisusedtoestimatethedijetmassspectrumofthenonresonantmultijetbackground.The
contributionsofbackgroundsandapossibleHiggsbosonsignalaredeterminedbyatwo-dimensionalfit
ofthedata,usingthedijetmasstogetherwithanadditionalvariablewhichissensitivetotheflavor
compositionofthethreetaggedjets.Wesetmass-dependentlimitsonðpp!bÞBð!bbÞwhich
areapplicableforanarrowscalarparticleproducedinassociationwithbquarks.Wealsosetlimitson
taninsupersymmetricHiggsmodelsincludingtheeffectsoftheHiggsbosonwidth.
Keyword
HighEnergyPhysics; ParticlePhysics; CDF
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/10580/14034
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