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Search for pair production of neutral higgs bosons in Z0 decays

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Search for pair production of neutral higgs bosons in Z0 decays

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DELPHI Collaboration; Allen, Paul; Alted Abad, Francesc Josep; Benlloch Baviera, José María; Castillo Giménez, María Victoria; Fez Laso, M. D. M. de; Ferrer Soria, Antonio; Fuster Verdú, Juan A.; Hernández Rey, Juan José; Higón Rodríguez, Emilio; Lozano Bahilo, José Julio; Sánchez Rojo, María Ester; Sánchez Martínez, Javier; Sanchis Peris, Enrique; Sebastiá Cortés, Angel; Llosá Reig, Rafael; Valls Ferrer, Juan Antonio; Velasco González, Jorge; Zúñiga Román, Juan

Aquest document és un/a article, creat/da en: 1990

The pair production of the lightest scalar Higgs boson, h, and a pseudoscalar Higgs boson, A, was searched for in a data sample containing 10 000 hadronic Z 0 decays. The search involved both leptonic and purely hadronic decay channels of each Higgs boson. No signal was found, and limits on the Higgs boson masses, in the framework of the minimal supersymmetric extension of the standard model, ar reported up to 35 GeV/ c 2 at 95% CL, for both tan β 1 and tan β <1, where tan β is the ratio of the vacuum expectation values of the two Higgs doublets.

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