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dc.date.accessioned 2019-05-31T13:54:31Z
dc.date.available 2019-05-31T13:54:31Z
dc.date.issued 2000-04-06
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/75656
dc.description.abstract A first measurement of the cross section of the process e+e−→Zγγ is reported using a total integrated luminosity of 231 pby1 collected with the L3 detector at centre-of-mass energies of 182.7 GeV and 188.7 GeV. By selecting hadronic events with two isolated photons the eqeyTMZgg cross section is measured to be 0.49+0.20−0.17±0.04pb at 182.7 GeV and 0.47±0.10±0.04pb at 188.7 GeV. The measurements are consistent with Standard Model expectations. Limits on Quartic Gauge Boson Couplings aa0/Λ2 and ac/Λ2 of −0.009GeV−2<a0/Λ2<0.008GeV−2 and −0.007GeV−2<ac/Λ2<0.013GeV−2 are derived at 95% confidence level. en
dc.format.extent 39-49 es
dc.language en es
dc.subject quartic gauge boson en
dc.subject Física es
dc.subject LEP en
dc.subject L3 detector en
dc.title Measurement of the e+e−→Zγγ cross section and determination of quartic gauge boson couplings at LEP en
dc.type Articulo es
sedici.identifier.other https://doi.org/10.1016/S0370-2693(00)00279-3
sedici.identifier.issn 0370-2693 es
sedici.creator.person Dova, María Teresa es
sedici.creator.person L3 Collaboration es
sedici.subject.materias Ciencias Exactas es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Physics Letters B es
sedici.relation.journalVolumeAndIssue vol. 478, no. 1-3 es


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)