Search for the HH -> b(b)over-barb(b)over-bar process via vector-boson fusion production using proton-proton collisions at root s=13 TeV with the ATLAS detector

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dc.WoS.categoriesPhysics, Particles & Fieldsen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-11-11T07:09:59Z
dc.date.available2020-11-11T07:09:59Z
dc.date.issued2020-07-16
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description37 pagesen_US
dc.description.abstractA search for Higgs boson pair production via vector-boson fusion (VBF) in the bb<overbar></mml:mover>b<mml:mover accent="true">b<mml:mo stretchy="true"><overbar></mml:mover> final state is carried out with the ATLAS experiment using 126 fb(-1) of proton- proton collision data delivered at <mml:msqrt>s</mml:msqrt> = 13 TeV by the Large Hadron Collider. This search is sensitive to VBF production of additional heavy bosons that may decay into Higgs boson pairs, and in a non-resonant topology it can constrain the quartic coupling between the Higgs bosons and vector bosons. No significant excess relative to the Standard Model expectation is observed, and limits on the production cross-section are set at the 95% confidence level for a heavy scalar resonance in the context of an extended Higgs sector, and for non-resonant Higgs boson pair production. Interpretation in terms of the coupling between a Higgs boson pair and two vector bosons is also provided: coupling values normalised to the Standard Model expectation of kappa (2V)< -0.76 and kappa(2V)> 2.90 are excluded at the 95% confidence level in data.<fig id="Figa" position="anchor"><graphic position="anchor" specific-use="HTML" mime-subtype="JPEG" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="13130_2020_13392_Figa_HTML.jpg" id="MO1"></graphicen_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1007/JHEP07(2020)108en_US
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85088168841en_US
dc.identifier.urihttps://hdl.handle.net/11411/2581
dc.identifier.urihttps://doi.org/10.1007/JHEP07(2020)108
dc.identifier.wosWOS:000568562900001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue7en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors1000+en_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHiggs physicsen_US
dc.subjectHadron-Hadron scattering (experiments)en_US
dc.titleSearch for the HH -> b(b)over-barb(b)over-bar process via vector-boson fusion production using proton-proton collisions at root s=13 TeV with the ATLAS detectoren_US
dc.typeArticleen_US

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