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dc.date.accessioned 2019-04-09T13:51:44Z
dc.date.available 2019-04-09T13:51:44Z
dc.date.issued 1992-01-23
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/74004
dc.description.abstract The L3 detector at LEP has been used to determine the number of light neutrino families by measuring the cross section of single photon even in e+e - collisions at energies near the Z° resonance. We have observed 61 single photon candidates with more than 1.5 GeV of deposited energy in the barrel electromagnetic calorimeter, for a total integrated luminosity of 3.0 pb-1. From a likelihood fit to the single photon cross sections, we determine Nv = 3.24 ± 0.46 (statistical) _+ 0.22 (systematic). en
dc.format.extent 209-221 es
dc.language en es
dc.subject L3 detector en
dc.subject LEP en
dc.subject neutrino families en
dc.title A direct determination of the number of light neutrino families from e+ e- → vvγ at LEP en
dc.type Articulo es
sedici.identifier.other https://doi.org/10.1016/0370-2693(92)90877-7
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. 275, no. 1-2 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)