Search for resonant second generation slepton production at the Fermilab Tevatron

Made available in DSpace on 2022-04-28T20:09:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-01-01 We present a search for supersymmetry in the R-parity violating resonant production and decay of smuons and muon sneutrinos in the channels, 2,3,40. We analyzed 0.38fb-1 of integrated luminosity collected between April 2002 and August 2004 with the D0 detector at the Fermilab Tevatron Collider. The observed number of events is in agreement with the standard model expectation, and we calculate 95% C.L. limits on the slepton production cross section times branching fraction to gaugino plus muon, as a function of slepton and gaugino masses. In the framework of minimal supergravity, we set limits on the coupling parameter, extending significantly previous results obtained in Run I of the Tevatron and at the CERN LEP collider. © 2006 The American Physical Society. Universidad de Buenos Aires, Buenos Aires LAFEX Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro Universidade do Estado do Rio de Janeiro, Rio de Janeiro Instituto de Física Teórica Universidade Estadual Paulista, São Paulo University of Alberta, Edmonton, AB Simon Fraser University, Burnaby, BC York University, Toronto, ON McGill University, Montreal, QC Institute of High Energy Physics, Beijing University of Science and Technology of China, Hefei Universidad de los Andes, Bogotá Center for Particle Physics Charles University, Prague Czech Technical University, Prague Center for Particle Physics Institute of Physics Academy of Sciences of the Czech Republic, Prague Universidad San Francisco de Quito, Quito Laboratoire de Physique Corpusculaire IN2P3-CNRS Université Blaise Pascal, Clermont-Ferrand Laboratoire de Physique Subatomique et de Cosmologie IN2P3-CNRS, Universite de Grenoble 1, Grenoble CPPM IN2P3-CNRS Université de la Méditerranée, Marseille IN2P3-CNRS Laboratoire de l'Accélérateur Linéaire, Orsay LPNHE IN2P3-CNRS Universités Paris VI and VII, Paris DAPNIA/Service de Physique des Particules CEA Saclay IReS IN2P3-CNRS Université Louis Pasteur, Strasbourg Université de Haute Alsace, Mulhouse Institut de Physique Nucléaire de Lyon IN2P3-CNRS Université Claude Bernard, Villeurbanne III. 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