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- dc.contributor.author
- 배태길
- dc.contributor.author
- 이원종
- dc.date.accessioned
- 2019-08-28T07:41:09Z
- dc.date.available
- 2019-08-28T07:41:09Z
- dc.date.issued
- 2012-07-27
- dc.identifier.issn
- 0031-9007
- dc.identifier.uri
- https://repository.kisti.re.kr/handle/10580/14041
- dc.description.abstract
- WepresentacalculationofthekaonBparameterB_KusinglatticeQCD.Weuseimprovedstaggeredvalenceandseafermions,thelattergeneratedbytheMILCCollaborationwithN_f=2+1lightflavors.Tocontroldiscretizationerrors,weusefourdifferentlatticespacingsrangingdowntoa~0.045fm.ThechiralandcontinuumextrapolationsaredoneusingSU(2)Staggeredchiralperturbationtheory.Ourfinalresultis\hat{B}_K=0.727+-0.004(stat)+-0.038(syst),wherethedominantsystematicerrorisfromouruseoftruncated(one-loop)matchingfactors.
- dc.language
- eng
- dc.relation.ispartofseries
- PhysicalReviewLetters
- dc.title
- Kaon B Parameter from Improved Staggered Fermions in Nf=2+1 QCD
- dc.subject.keyword
- LatticeQCD
- dc.subject.keyword
- KaonBParameter
- dc.subject.keyword
- StaggeredFermions
- Appears in Collections:
- 7. KISTI 연구성과 > 학술지 발표논문
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