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dc.date.accessioned 2019-02-22T18:41:19Z
dc.date.available 2019-02-22T18:41:19Z
dc.date.issued 2000-12-01
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/72551
dc.description.abstract The production of c and b quarks γγ collisions is studied with the L3 detector at LEP with 410 pb−1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final states containing c and b quarks are identified by detecting electrons or muons from their semileptonic decays. The cross sections σ(e+e− →e+e−c¯cX) and σ(e+e− →e+e−b¯bX) are measured and compared to next-to-leading order perturbative QCD calculations. The cross section of b production is measured in γγ collisions for the first time. It is in excess of the QCD prediction by a factor of three. en
dc.format.extent 10-20 es
dc.language en es
dc.subject Física es
dc.title Measurements of the cross sections for open charm and beauty production in γγ collisions at √s = 189–202 GeV en
dc.type Articulo es
sedici.identifier.other https://doi.org/10.1016/S0370-2693(01)00134-4
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-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Physics Letters B es
sedici.relation.journalVolumeAndIssue vol. 503, no. 1-2 es


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