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Abstract: We report evidence for s-channel single-top-quark production in proton-antiproton collisions at center-of-mass energy vs=1.96??TeV using a data set that corresponds to an integrated luminosity of 9.4??fb-1 collected by the Collider Detector at Fermilab. We select events consistent with the s-channel process including two jets and one leptonically decaying W boson. The observed significance is 3.8 standard deviations with respect to the background-only prediction. Assuming a top-quark mass of 172.5??GeV/c2, we measure the s-channel cross section to be 1.41+0.44-0.42??pb.
Fuente: Phys. Rev. Lett. Vol. 112, Num. 23, Pag. 231804 (2014)
Publisher: American Physical Society
Publication date: 01/06/2014
No. of pages: 8
Publication type: Article
DOI: 10.1103/PhysRevLett.112.231804
ISSN: 0031-9007,1079-7114
Spanish project: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01
Publication Url: https://doi.org/10.1103/PhysRevLett.112.231804
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AALTONEN, TIMO ANTERO
BRUNO CASAL LARAÑA
FRANCISCO JAVIER CUEVAS MAESTRO
GERVASIO GOMEZ GRAMUGLIO
JOSE ENRIQUE PALENCIA CORTEZON
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
ROCIO VILAR CORTABITARTE
JESUS MANUEL VIZAN GARCIA
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