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Search for scalar top quark production in (Formula presented.) collisions at (Formula presented.) = 1.96 TeV

Abstract: We report on a search for the supersymmetric partner of the top quark (scalar top) decaying into a charm quark and a neutralino in pp¯pp¯ collisions at s?=1.96TeVs=1.96TeV. The data sample, collected by the CDF II detector at the Fermilab Tevatron, corresponds to an integrated luminosity of 2.6 fb?1. Candidate events are selected by requiring two or more jets and a large imbalance in the transverse momentum. To enhance the analysis sensitivity, at least one of the jets is required to be identified as originating from a charm quark using an algorithm specifically designed for this analysis. The selected events are in good agreement with standard model predictions. In the case of large mass splitting between the scalar top quark and the neutralino we exclude a scalar top quark mass below 180 GeV/c 2 at 95% confidence level

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., Appel J.A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Auerbach B., Aurisano A., Azfar F., Badgett W., Bae T., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauce M., Bedeschi F., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A., Bisello D., Bizjak I., Bland K.R., Bl

 Fuente: Journal of High Energy Physics

Editorial: Springer Verlag

 Año de publicación: 2012

Nº de páginas: 15

Tipo de publicación: Artículo de Revista

 DOI: 10.1007/JHEP10(2012)158

ISSN: 1126-6708,1029-8479

Url de la publicación: https://doi.org/10.1007/JHEP10(2012)158

Autores/as

AALTONEN, T.

BARBARA ALVAREZ GONZALEZ

BRUNO CASAL LARAÑA

FRANCISCO JAVIER CUEVAS MAESTRO

JOSE ENRIQUE PALENCIA CORTEZON