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http://acervodigital.unesp.br/handle/11449/24042- Title:
- Measurement of the t(t)over-bar production cross section and top quark mass extraction using dilepton events in p(p)over-bar collisions
- Abazov, V. M.
- Abbott, B.
- Abolins, M.
- Acharya, B. S.
- Adams, M.
- Adams, T.
- Aguilo, E.
- Ahsan, M.
- Alexeev, G. D.
- Alkhazov, G.
- Alton, A.
- Alverson, G.
- Alves, G. A.
- Anastasoaie, M.
- Ancu, L. S.
- Andeen, T.
- Andrieu, B.
- Anzelc, M. S.
- Aoki, M.
- Arnoud, Y.
- Arov, M.
- Arthaud, M.
- Askew, A.
- Asman, B.
- Jesus, A. C. S. Assis
- Atramentov, O.
- Avila, C.
- BackusMayes, J.
- Badaud, F.
- Bagby, L.
- Baldin, B.
- Bandurin, D. V.
- Banerjee, P.
- Banerjee, S.
- Barberis, E.
- Barfuss, A. -F.
- Bargassa, P.
- Baringer, P.
- Barreto, J.
- Bartlett, J. F.
- Bassler, U.
- Bauer, D.
- Beale, S.
- Bean, A.
- Begalli, M.
- Begel, M.
- Belanger-Champagne, C.
- Bellantoni, L.
- Bellavance, A.
- Benitez, J. A.
- Beri, S. B.
- Bernardi, G.
- Bernhard, R.
- Bertram, I.
- Besancon, M.
- Beuselinck, R.
- Bezzubov, V. A.
- Bhat, P. C.
- Bhatnagar, V.
- Blazey, G.
- Blekman, F.
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- Bloom, K.
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- Boline, D.
- Bolton, T. A.
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- Borissov, G.
- Bose, T.
- Brandt, A.
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- Bross, A.
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- Burnett, T. H.
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- Calpas, B.
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- Casey, B. C. K.
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- Chevalier-Thery, S.
- Cho, D. K.
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- Christofek, L.
- Christoudias, T.
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- Clutter, J.
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- Cooper, W. E.
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- Cutts, D.
- Cwiok, M.
- da Motta, H.
- Das, A.
- Davies, G.
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- de Jong, S. J.
- De La Cruz-Burelo, E.
- Martins, C. de Oliveira
- DeVaughan, K.
- Deliot, F.
- Demarteau, M.
- Demina, R.
- Denisov, D.
- Denisov, S. P.
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- Diehl, H. T.
- Diesburg, M.
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- Dubey, A.
- Dudko, L. V.
- Duflot, L.
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- Duperrin, A.
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- Evdokimov, V. N.
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- Ferbel, T.
- Fiedler, F.
- Filthaut, F.
- Fisher, W.
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- Guo, J.
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- Hauptman, J. M.
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- Kim, T. J.
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- Landsberg, G.
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- Li, L.
- Li, Q. Z.
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- Lipaev, V. V.
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- Liu, Z.
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- Lyon, A. L.
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- Mal, P. K.
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- Malik, S.
- Malyshev, V. L.
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- Martin, B.
- McCarthy, R.
- Meijer, M. M.
- Melnitchouk, A.
- Mendoza, L.
- Mercadante, P. G.
- Merkin, M.
- Merritt, K. W.
- Meyer, A.
- Meyer, J.
- Mitrevski, J.
- Mommsen, R. K.
- Mondal, N. K.
- Moore, R. W.
- Moulik, T.
- Muanza, G. S.
- Mulhearn, M.
- Mundal, O.
- Mundim, L.
- Nagy, E.
- Naimuddin, M.
- Narain, M.
- Neal, H. A.
- Negret, J. P.
- Neustroev, P.
- Nilsen, H.
- Nogima, H.
- Novaes, Sérgio Ferraz
- Nunnemann, T.
- O'Neil, D. C.
- Obrant, G.
- Ochando, C.
- Onoprienko, D.
- Oshima, N.
- Osman, N.
- Osta, J.
- Otec, R.
- Otero y Garzon, G. J.
- Owen, M.
- Padilla, M.
- Padley, P.
- Pangilinan, M.
- Parashar, N.
- Park, S. -J.
- Park, S. K.
- Parsons, J.
- Partridge, R.
- Parua, N.
- Patwa, A.
- Pawloski, G.
- Penning, B.
- Perfilov, M.
- Peters, K.
- Peters, Y.
- Petroff, P.
- Petteni, M.
- Piegaia, R.
- Piper, J.
- Pleier, M. -A.
- Podesta-Lerma, P. L. M.
- Podstavkov, V. M.
- Pogorelov, Y.
- Pol, M. -E.
- Polozov, P.
- Pope, B. G.
- Popov, A. V.
- Potter, C.
- Prado da Silva, W. L.
- Prospera, H. B.
- Protopopescu, S.
- Qian, J.
- Quadt, A.
- Quinn, B.
- Rakitine, A.
- Rangel, M. S.
- Ranjan, K.
- Ratoff, P. N.
- Renkel, P.
- Rich, P.
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- Ripp-Baudot, I.
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- Robinson, S.
- Rodrigues, R. F.
- Rominsky, M.
- Royon, C.
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- Safronov, G.
- Sajot, G.
- Sanchez-Hernandez, A.
- Sanders, M. P.
- Sanghi, B.
- Savage, G.
- Sawyer, L.
- Scanlon, T.
- Schaile, D.
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- Scheglov, Y.
- Schellman, H.
- Schliephake, T.
- Schlobohm, S.
- Schwanenberger, C.
- Schwienhorst, R.
- Sekaric, J.
- Severini, H.
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- Shamim, M.
- Shary, V.
- Shchukin, A. A.
- Shivpuri, R. K.
- Siccardi, V.
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- Skubic, P.
- Slattery, P.
- Smirnov, D.
- Snow, G. R.
- Snow, J.
- Snyder, S.
- Soelder-Rembold, S.
- Sonnenschein, L.
- Sopczak, A.
- Sosebee, M.
- Soustruznik, K.
- Spurlock, B.
- Stark, J.
- Stolin, V.
- Stoyanova, D. A.
- Strandberg, J.
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- Strang, M. A.
- Strauss, E.
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- Stroehmer, R.
- Strom, D.
- Stutte, L.
- Sumowidagdo, S.
- Svoisky, P.
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- Taylor, W.
- Tiller, B.
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- Titov, M.
- Tokmenin, V. V.
- Torchiani, I.
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- Tuchming, B.
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- We present a measurement of the top quark pair production cross section in p (p) over bar collisions at root s = 1.96 TeV using approximately 1 fb(-1) collected with the do detector. We consider decay channels containing two high p(T) charged leptons where one lepton is identified as an electron or a muon while the other lepton can be an electron, a muon or a hadronically decaying tau lepton. For a mass of the top quark of 170 GeV, the measured cross section is 7.5(-1.0)(+1.0)(stat)(-0.6)(+0.7)(syst)(-0.5)(+0.6)(lumi) pb. Using l tau events only, we measure: sigma(t (t) over bar) x B(t (t) over bar -> l tau b (b) over bar) = 0.13(-0.08)(+0.09)(stat)(-0.06)(+0.06)(syst)(-0.02)(+0.02)(lumi) pb. Comparing the measured cross section as a function of the mass of the top quark with a partial next-to-next-to leading order Quantum Chroniodynamics theoretical prediction, we extract a mass of the top quark of 171.5(-8.8)(+9-9) GeV, in agreement with direct measurements. (C) 2009 Elsevier B.V. All rights reserved.
- 24-Aug-2009
- Physics Letters B. Amsterdam: Elsevier B.V., v. 679, n. 3, p. 177-185, 2009.
- 177-185
- Elsevier B.V.
- http://dx.doi.org/10.1016/j.physletb.2009.07.032
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/24042
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