DSpace

Digital.CSIC > Ciencia y Tecnologías Físicas > Instituto de Física Corpuscular (IFIC) > (IFIC) Artículos >

Share

EndNote

Impact

Open Access item Observation of Electroweak Single Top-Quark Production

Authors:CDF Collaboration
Cabrera, Susana
Cuenca Almenar, Cristóbal
Álvarez González, B.
Casal, Bruno
Cuevas, Javier
Gómez, G.
Rodrigo, Teresa
Ruiz, Alberto
Scodellaro, Luca
Vila, Iván
Vilar, Rocío
Aaltonen, T.
Issue Date:28-Aug-2009
Publisher:American Physical Society
Citation:Physical Review Letters 103 (9): 092002 (2009)
Abstract:We report the observation of single top-quark production using 3.2 fb(-1) of pp collision data with s=1.96 TeV collected by the Collider Detector at Fermilab. The significance of the observed data is 5.0 standard deviations, and the expected sensitivity for standard model production and decay is in excess of 5.9 standard deviations. Assuming m(t)=175 GeV/c(2), we measure a cross section of 2.3(-0.5)(+0.6)(stat+syst) pb, extract the CKM matrix-element value |V-tb|=0.91 +/- 0.11(stat+syst)+/- 0.07(theory), and set the limit |V-tb|> 0.71 at the 95% C.L.
Publisher version (URL):http://dx.doi.org/ 10.1103/PhysRevLett.103.092002
URI:http://hdl.handle.net/10261/22283
ISSN:0031-9007
???metadata.dc.identifier.doi???:10.1103/PhysRevLett.103.092002
Appears in Collections:(IFIC) Artículos

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.