Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11399
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dc.contributor.authorPuliçe, Beyhan-
dc.date.accessioned2021-11-06T09:48:29Z-
dc.date.available2021-11-06T09:48:29Z-
dc.date.issued2021-
dc.identifier.issn0577-9073-
dc.identifier.urihttps://doi.org/10.1016/j.cjph.2020.11.021-
dc.identifier.urihttps://hdl.handle.net/11147/11399-
dc.description.abstractExcited beryllium has been observed to decay into electron-positron pairs with a 6.8 sigma anomaly. The process is properly explained by a 17 MeV proto-phobic vector boson. In present work, we consider a family-nonuniversal U(1)' that is populated by a U(1)' gauge boson Z ' and a scalar field S, charged under U(1)' and singlet under the Standard Model (SM) gauge symmetry. The SM chiral fermion and scalar fields are charged under U(1)' and we provide them to satisfy the anomaly-free conditions. The Cabibbo-Kobayashi-Maskawa (CKM) matrix is reproduced correctly by higher-dimension Yukawa interactions facilitated by S. The vector and axial-vector current couplings of the Z ' boson to the first generation of fermions do satisfy all the bounds from the various experimental data. The Z ' boson can have kinetic mixing with the hypercharge gauge boson and S can directly couple to the SM-like Higgs field. The kinetic mixing of Z ' with the hypercharge gauge boson, as we show by a detailed analysis, generates the observed beryllium anomaly. We find that beryllium anomaly can be properly explained by a MeV-scale sector with a minimal new field content. The minimal model we construct forms a framework in which various anomalous SM decays can be discussed.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofChinese Journal of Physicsen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBeryllium decaysen_US
dc.subjectMeV Scale physicsen_US
dc.subjectZ bosonsen_US
dc.titleA Family-nonuniversal U(1)′ model for excited beryllium decaysen_US
dc.typeArticleen_US
dc.departmentİzmir Institute of Technology. Physicsen_US
dc.identifier.volume71en_US
dc.identifier.startpage506en_US
dc.identifier.endpage517en_US
dc.identifier.wosWOS:000653723000004en_US
dc.identifier.scopus2-s2.0-85104698208en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.cjph.2020.11.021-
dc.authorwosidPulice, Beyhan/AAJ-9907-2021-
dc.identifier.wosqualityQ2-
dc.identifier.scopusqualityQ2-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairetypeArticle-
crisitem.author.dept01. Izmir Institute of Technology-
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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