Measurement of the W-Boson Helicity in Top-Quark Decays From Tt¯ Production in Lepton+jets Events in Pp Collisions At?s = 7 Tev Th
| dc.contributor.author | CMS Collaboration | |
| dc.contributor.author | Karapınar, Güler | |
| dc.coverage.doi | 10.1007/JHEP10(2013)167 | |
| dc.date.accessioned | 2019-10-30T07:05:56Z | |
| dc.date.available | 2019-10-30T07:05:56Z | |
| dc.date.issued | 2013 | |
| dc.description.abstract | The W-boson helicity fractions in top-quark decays are measured with tt̄ events in the lepton+jets final state, using proton-proton collisions at a centre-of-mass energy of 7TeV, collected in 2011 with the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 5.0 fb -1. The measured fractions of longitudinal, left-, and right-handed helicity are F0 = 0:682±0:030 (stat.)± 0:033 (syst.), F= 0:310 ±0:022 (stat.)± 0:022 (syst.), and F= 0:008± 0:012 (stat.) ± 0:014 (syst.), consistent with the standard model predictions. The measured fractions are used to probe the existence of anomalous Wtb couplings. Exclusion limits on the real components of the anomalous couplings gL; gR are also derived. | en_US |
| dc.description.sponsorship | The Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authority | en_US |
| dc.identifier.citation | Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., ...CMS Collaboration (2013). Measurement of the W-boson helicity in top-quark decays from tt̄ production in lepton+jets events in pp collisions at√s = 7 TeV Th. Journal of High Energy Physics, 2013(10). doi:10.1007/JHEP10(2013)167 | en_US |
| dc.identifier.doi | 10.1007/JHEP10(2013)167 | en_US |
| dc.identifier.issn | 1029-8479 | |
| dc.identifier.issn | 1029-8479 | |
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| dc.identifier.uri | https://doi.org/10.1007/JHEP10(2013)167 | |
| dc.identifier.uri | https://hdl.handle.net/11147/7318 | |
| 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 | Quark production | en_US |
| dc.subject | Quarks | en_US |
| dc.subject | Large Hadron Collider (LHC) | en_US |
| dc.subject | CMS detector | en_US |
| dc.title | Measurement of the W-Boson Helicity in Top-Quark Decays From Tt¯ Production in Lepton+jets Events in Pp Collisions At?s = 7 Tev Th | en_US |
| dc.type | Article | en_US |
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| gdc.description.department | İzmir Institute of Technology. Mathematics | en_US |
| gdc.description.issue | 10 | en_US |
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| gdc.oaire.keywords | ANOMALOUS WTB COUPLINGS | |
| gdc.oaire.keywords | top physics; hadron-hadron scattering | |
| gdc.oaire.keywords | Nuclear and High Energy Physics | |
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| gdc.oaire.keywords | Hadron-Hadron scattering | |
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| gdc.oaire.keywords | PARTICLE PHYSICS | |
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| gdc.oaire.keywords | Hadron-Hadron Scattering; Top physics | |
| gdc.oaire.keywords | ANOMALOUS WTB COUPLINGS; PARTON DISTRIBUTIONS; LHC; FRACTIONS | |
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