Publication:
Search for D0</sup> → γγ and improved measurement of the branching fraction for D0 → π0π0

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dc.contributor.authorAblikim, M.
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dc.contributor.authorTapan, I.
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dc.contributor.authorZhao, Lei
dc.contributor.authorZhao, Ling
dc.contributor.authorZhao, M. G.
dc.contributor.authorZhao, Q.
dc.contributor.authorZhao, Q. W.
dc.contributor.authorZhao, S. J.
dc.contributor.authorZhao, T. C.
dc.contributor.authorZhao, X. H.
dc.contributor.authorZhao, Y. B.
dc.contributor.authorZhao, Z. G.
dc.contributor.authorZhemchugov, A.
dc.contributor.authorZheng, B.
dc.contributor.authorZheng, J. P.
dc.contributor.authorZheng, W. J.
dc.contributor.authorZheng, Y. H.
dc.contributor.authorZhong, B.
dc.contributor.authorZhou, L.
dc.contributor.authorZhou, Li
dc.contributor.authorZhou, X.
dc.contributor.authorZhou, X. K.
dc.contributor.authorZhou, X. R.
dc.contributor.authorZhou, X. Y.
dc.contributor.authorZhu, K.
dc.contributor.authorZhu, K. J.
dc.contributor.authorZhu, S.
dc.contributor.authorZhu, X. L.
dc.contributor.authorZhu, Y. C.
dc.contributor.authorZhu, Y. S.
dc.contributor.authorZhu, Z. A.
dc.contributor.authorZhuang, J.
dc.contributor.authorZotti, L.
dc.contributor.authorZou, B. S.
dc.contributor.authorZou, J. H.
dc.contributor.authorBESIII Collaboration
dc.contributor.buuauthorTapan, İlhan
dc.contributor.departmentUludağ Üniversitesi
dc.contributor.researcheridCCD-9486-2022
dc.date.accessioned2024-08-15T05:51:40Z
dc.date.available2024-08-15T05:51:40Z
dc.date.issued2015-06-26
dc.description.abstractUsing 2.92 fb(-1) of electron-positron annihilation data collected at root s = 3.773 GeV with the BESIII detector, we report the results of a search for the flavor-changing neutral current process D-0 -> gamma gamma using a double-tag technique. We find no signal and set an upper limit at 90% confidence level for the branching fraction of B(D-0 -> gamma gamma < 3.8 x 10(-6). We also investigate D-0-meson decay into two neutral pions, obtaining a branching fraction of B(D-0 -> pi(0)pi(0)) = (8.24 +/- 0.21(stat) +/- 0.30(syst)) x 10(-4), the most precise measurement to date and consistent with the current world average.
dc.description.sponsorshipNational Basic Research Program of China 2015CB856700
dc.description.sponsorshipNational Natural Science Foundation of China (NSFC) 11125525 11235011 11322544 11335008 11425524
dc.description.sponsorshipChinese Academy of Sciences
dc.description.sponsorshipNational Natural Science Foundation of China (NSFC)
dc.description.sponsorshipChinese Academy of Sciences 11179007 11179014 U1232201 U1332201 KJCX2-YW-N29 KJCX2-YW-N45
dc.description.sponsorshipINPAC
dc.description.sponsorshipShanghai Key Laboratory for Particle Physics and Cosmology
dc.description.sponsorshipGerman Research Foundation (DFG) CRC-1044
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN)
dc.description.sponsorshipTürkiye Cumhuriyeti Kalkınma Bakanlığı DPT2006K-120470
dc.description.sponsorshipRussian Foundation for Basic Research (RFBR)Spanish Government 14-07-91152
dc.description.sponsorshipUnited States Department of Energy (DOE) DE-FG02-04ER41291 DE-FG02-05ER41374 DE-FG02-94ER40823 DESC0010118
dc.description.sponsorshipNational Science Foundation (NSF)
dc.description.sponsorshipUniversity of Groningen (RuG)
dc.description.sponsorshipHelmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt
dc.description.sponsorshipNational Research Foundation of Korea R32-2008-000-10155-0
dc.identifier.doi10.1103/PhysRevD.91.112015
dc.identifier.eissn2470-0029
dc.identifier.issn2470-0010
dc.identifier.issue11
dc.identifier.scopus2-s2.0-84936806789
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.91.112015
dc.identifier.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.91.112015
dc.identifier.urihttps://hdl.handle.net/11452/44033
dc.identifier.volume91
dc.identifier.wos000356928900002
dc.indexed.wosWOS.SCI
dc.language.isoen
dc.publisherAmer
dc.relation.journalPhysical Review D
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectScience & technology
dc.subjectPhysical sciences
dc.subjectAstronomy & astrophysics
dc.subjectPhysics, particles & fields
dc.subjectPhysics
dc.titleSearch for D0</sup> → γγ and improved measurement of the branching fraction for D0 → π0π0
dc.typeArticle
dspace.entity.typePublication
local.contributor.departmentUludağ Üniversitesi
local.indexed.atWOS
local.indexed.atScopus

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