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공공누리This item is licensed Korea Open Government License

Title
Measurement of charm production at central rapidity in proton-proton collisions at sqrt(s)=2.76 TeV
Author(s)
ALICE국제공동연구안상언안설아장행진
Publication Year
2012-07-31
Abstract
Thept-differentialproductioncrosssectionsoftheprompt(Bfeed-downsubtracted)charmedmesonsD0,D+,andD*+intherapidityrange

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?smallerthan0.5,andfortransversemomentum?pt?largerthan1andsmallerthan12GeV/c,weremeasuredinproton-protoncollisionsatsqrt(s)=2.76TeVwiththeALICEdetectorattheLargeHadronCollider.TheanalysisexploitedthehadronicdecaysD0?intoK?pi+,D+?into?K?pi+pi+,D*+?into?D0pi+,andtheirchargeconjugates,andwasperformedonaLint=1.1nb?1eventsamplecollectedin2011withaminimum-biastrigger.Thetotalcharmproductioncrosssectionatsqrt(s)=2.76TeVandat7TeVwasevaluatedbyextrapolatingtothefullphasespacethept-differentialproductioncrosssectionsatsqrt(s)=2.76TeVandourpreviousmeasurementsatsqrt(s)=7TeV.Theresultswerecomparedtoexistingmeasurementsandtoperturbative-QCDcalculations.Thefractionofcd?Dmesonsproducedinavectorstatewasalsodetermined.
Keyword
Hadron-HadronScattering; CharmProduction; CentralRapidity
Journal Title
JournalofhighenergyphysicsJHEP
Citation Volume
2012
ISSN
1126-6708
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Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14096
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