Search for high-mass resonances decaying into ZZ in pp̅ collisions at √s=1.96  TeV

We search for high-mass resonances decaying into Z boson pairs using data corresponding to 6  fb-1 collected by the CDF experiment in pp̅ collisions at √s=1.96  TeV. The search is performed in three distinct final states: ZZ→ℓ+ℓ-ℓ+ℓ-, ZZ→ℓ+ℓ-νν, and ZZ→ℓ+ℓ-jj. For a Randall-Sundrum graviton G*, the...

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Detalles Bibliográficos
Autores: Aaltonen, Timo Antero, Amerio, Silvia, Amidei, Dante, Anastassov, Anton, Annovi, Alberto, Antos, Jaroslav, Apollinari, Giorgio, Appel, Jeffrey A., Casal Laraña, Bruno, Cuevas Maestro, Francisco Javier, Gómez Gramuglio, Gervasio|||0000-0002-1077-6553, Palencia Cortezón, José Enrique, Rodrigo Anoro, Teresa, Ruiz Jimeno, Alberto|||0000-0002-3639-0368, Scodellaro, Luca|||0000-0002-4974-8330, Vila Álvarez, Iván |||0000-0002-6797-7209, Vilar Cortabitarte, Rocío|||0000-0003-2045-8054, Vizán García, Jesús Manuel|||0000-0002-6823-8854, Arisawa, Tetsuo, Álvarez González, Bárbara
Tipo de recurso: artículo
Fecha de publicación:2012
País:España
Institución:Universidad de Cantabria (UC)
Repositorio:UCrea Repositorio Abierto de la Universidad de Cantabria
Idioma:inglés
OAI Identifier:oai:repositorio.unican.es:10902/2280
Acceso en línea:http://hdl.handle.net/10902/2280
Access Level:acceso abierto
Descripción
Sumario:We search for high-mass resonances decaying into Z boson pairs using data corresponding to 6  fb-1 collected by the CDF experiment in pp̅ collisions at √s=1.96  TeV. The search is performed in three distinct final states: ZZ→ℓ+ℓ-ℓ+ℓ-, ZZ→ℓ+ℓ-νν, and ZZ→ℓ+ℓ-jj. For a Randall-Sundrum graviton G*, the 95% CL upper limits on the production cross section times branching ratio to ZZ, σ(pp̅ →G*→ZZ), vary between 0.26 pb and 0.045 pb in the mass range 300<MG*<1000  GeV/c2.