Search for a Heavy Top-Like Quark in p\bar{p} Collisions at {\surd}s = 1.96 TeV
Creators: name: CDF Collaboration
name: Aaltonen, T.
name: Gonzálezv, B. Álvarez
name: Amerio, S.
name: Amidei, D.
name: Anastassov, A.
name: Annovi, A.
name: Antos, J.
name: Apollinari, G.
name: Appel, J. A.
name: Apresyan, A.
name: Arisawa, T.
name: Artikov, A.
name: Asaadi, J.
name: Ashmanskas, W.
name: Auerbach, B.
name: Aurisano, A.
name: Azfar, F.
name: Badgett, W.
name: Barbaro-Galtieri, A.
name: Barnes, V. E.
name: Barnett, B. A.
name: Barriaee, P.
name: Bartos, P.
name: Baucecc, M.
name: Bauer, G.
name: Bedeschi, F.
name: Beecher, D.
name: Behari, S.
name: Bellettinidd, G.
name: Bellinger, J.
name: Benjamin, D.
name: Beretvas, A.
name: Bhatti, A.
name: Binkley, M.
name: Bisellocc, D.
name: Bizjakii, I.
name: Bland, K. R.
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name: Blumenfeld, B.
name: Bocci, A.
name: Bodek, A.
name: Bortoletto, D.
name: Boudreau, J.
name: Boveia, A.
name: Braua, B.
name: Brigliadoribb, L.
name: Brisuda, A.
name: Bromberg, C.
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name: Bucciantoniodd, M.
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name: Budd, H. S.
name: Budd, S.
name: Burkett, K.
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name: Bussey, P.
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name: Calancha, C.
name: Camarda, S.
name: Campanelli, M.
name: Campbell, M.
name: Canelli, F.
name: Canepa, A.
name: Carls, B.
name: Carlsmith, D.
name: Carosi, R.
name: Carrillok, S.
name: Carron, S.
name: Casal, B.
name: Casarsa, M.
name: Castrobb, A.
name: Catastini, P.
name: Cauz, D.
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name: Cavalli-Sforza, M.
name: Cerrif, A.
name: Cerritoq, L.
name: Chen, Y. C.
name: Chertok, M.
name: Chiarelli, G.
name: Chlachidze, G.
name: Chlebana, F.
name: Cho, K.
name: Chokheli, D.
name: Chou, J. P.
name: Chung, W. H.
name: Chung, Y. S.
name: Ciobanu, C. I.
name: Ciocciee, M. A.
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name: Compostellacc, G.
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name: Almenar, C. Cuenca
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Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: We present the results of a search for pair production of a heavy top-like (t') quark decaying to Wq final states using data corresponding to an integrated luminosity of 5.6 fb-1 collected by the CDF II detector in pp collisions at {\surd}s = 1.96 TeV. We perform parallel searches for t' \to Wb and t' \to Wq (where q is a generic down-type quark) in events containing a lepton and four or more jets. By performing a fit to the two-dimensional distribution of total transverse energy versus reconstructed t quark mass, we set upper limits on the t \bar{t} production cross section and exclude a standard model fourth-generation t' quark decaying to W b (W q) with mass below 358 (340) GeV/c2 at 95% CL.
description: submitted to Phys. Rev. Lett