Search for a light CP-odd Higgs boson in radiative decays of J/psi

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dc.WoS.categoriesAstronomy & Astrophysics; Physics, Particles & Fieldsen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-12-15T09:20:27Z
dc.date.available2020-12-15T09:20:27Z
dc.date.issued2016-03-03
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractWe search for a light Higgs boson A(0) in the fully reconstructed decay chain of J/psi -> gamma A(0), A(0)-> mu(+)mu(-) using (225.0 +/- 2.8) x 10(6) J/psi events collected by the BESIII experiment. The A(0) is a hypothetical CP-odd light Higgs boson predicted by many extensions of the Standard Model including two spin-0 doublets plus an extra singlet. We find no evidence for A(0) production and set 90% confidence-level upper limits on the product branching fraction B(J/psi -> gamma A(0)) x B(A(0)-> mu(+)mu(-)) in the range of (2.8-495.3) x 10(-8) for 0.212 <= mA(0) <= 3.0 GeV/c(2). The new limits are five times below our previous results, and the nature of the A(0) is constrained to be mostly singlet.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevD.93.052005en_US
dc.identifier.issn2470-0029
dc.identifier.issn2470-0010
dc.identifier.scopus2-s2.0-84961157160en_US
dc.identifier.urihttps://hdl.handle.net/11411/2854
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.93.052005
dc.identifier.wosWOS:000371413800003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue5en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.publisherAmer. Physical Soc.en_US
dc.relation.ispartofPhysical Review Den_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectLEPTONIC DECAYSen_US
dc.subjectSTANDARD MODELen_US
dc.subjectQUARKONIUMen_US
dc.subjectEXTENSIONen_US
dc.subjectFACTORIESen_US
dc.subjectEVENTSen_US
dc.subjectGAMMAen_US
dc.titleSearch for a light CP-odd Higgs boson in radiative decays of J/psien_US
dc.typeArticleen_US
dc.volume93en_US

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