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An additional study of multi-muon events produced in pp- collisions at s=1.96 TeV

Abstract: We present one additional study of multi-muon events produced at the Fermilab Tevatron collider and recorded by the CDF II detector. We use a data set acquired with a dedicated dimuon trigger and corresponding to an integrated luminosity of 3.9 fb?1. We investigate the distribution of the azimuthal angle between the two trigger muons in events containing at least four additional muon candidates to test the compatibility of these events with originating from known QCD processes. We find that this distribution is markedly different from what is expected from such QCD processes and this observation strongly disfavors the possibility that multi-muon events result from an underestimate of the rate of misidentified muons in ordinary QCD events.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Aaltonen T., Álvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Apresyan A., Arisawa T., Artikov A., Ashmanskas W., Auerbach B., Azfar F., Badgett W., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bedeschi F., Beecher D., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Binkley M., Bisello D., Bizjak I., Bland K.R., Blumenfeld

 Fuente: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2012) Volume 710, Issue 2, Pages 278-283

Editorial: Elsevier

 Fecha de publicación: 01/04/2012

Nº de páginas: 6

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2012.02.081

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2012.02.081

Autores/as

AALTONEN, T.

BARBARA ALVAREZ GONZALEZ

BRUNO CASAL LARAÑA

FRANCISCO JAVIER CUEVAS MAESTRO

JOSE ENRIQUE PALENCIA CORTEZON