Evidence for the 125 Gev Higgs Boson Decaying To a Pair of Tau Leptons

dc.contributor.author Karapınar, Güler
dc.coverage.doi 10.1007/JHEP05(2014)104
dc.date.accessioned 2021-01-24T18:47:18Z
dc.date.available 2021-01-24T18:47:18Z
dc.date.issued 2014
dc.description.abstract A search for a standard model Higgs boson decaying into a pair of tau leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 fb(-1) at a centre-of-mass energy of 7 TeV and 19.7 fb(-1) at 8 TeV. Each tau lepton decays hadronically or leptonically to an electron or a muon, leading to six different final states for the tau-lepton pair, all considered in this analysis. An excess of events is observed over the expected background contributions, with a local significance larger than 3 standard deviations for m (H) values between 115 and 130 GeV. The best fit of the observed H -> tau tau signal cross section times branching fraction for m(H) = 125 GeV is 0.78 +/- 0.27 times the standard model expectation. These observations constitute evidence for the 125 GeV Higgs boson decaying to a pair of tau leptons. en_US
dc.description.sponsorship Science and Technology Facilities CouncilScience & Technology Facilities Council (STFC) [ST/J004901/1, CMS, ST/L00609X/1 GRIDPP, ST/J005665/1, ST/I505580/1, ST/I005912/1 GRIDPP, ST/K003844/1, GRIDPP, ST/F007094/1, ST/K003844/1 GRIDPP, ST/I005912/1, ST/K001639/1, ST/I505572/1, ST/L005603/1, ST/K003542/1, ST/L00609X/1, ST/K001256/1] Funding Source: researchfish; Direct For Mathematical & Physical ScienNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1151640, 0906479, 1205960, 1314131, 1120138] Funding Source: National Science Foundation; Division Of PhysicsNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1205960, 1306951, 1120138, 1314131] Funding Source: National Science Foundation en_US
dc.identifier.doi 10.1007/JHEP05(2014)104 en_US
dc.identifier.issn 1029-8479
dc.identifier.uri https://doi.org/10.1007/JHEP05(2014)104
dc.identifier.uri https://hdl.handle.net/11147/10620
dc.language.iso en en_US
dc.publisher Springer Verlag en_US
dc.relation.ispartof Journal of High Energy Physics en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject Hadron-Hadron Scattering en_US
dc.subject Higgs physics en_US
dc.title Evidence for the 125 Gev Higgs Boson Decaying To a Pair of Tau Leptons en_US
dc.type Article en_US
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gdc.description.department İzmir Institute of Technology. Physics en_US
gdc.description.issue 5 en_US
gdc.description.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
gdc.description.scopusquality Q1
gdc.description.volume 2014
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gdc.oaire.keywords Fisica delle particelle
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gdc.oaire.keywords Root-s=7 Tev
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gdc.oaire.keywords leptonic decay [Higgs particle]
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