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http://acervodigital.unesp.br/handle/11449/24038- Title:
- Measurement of the WZ -> lvll cross section and limits on anomalous triple gauge couplings in p(p)over-bar collisions at root s=1.96 TeV
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- Abbott, B.
- Abolins, M.
- Acharya, B. S.
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- Gruenendahl, S.
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- Hoang, T.
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- Hohlfeld, M.
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- Lashvili, I.
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- Kumar, A.
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- Kuzmin, V. A.
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- Landsberg, G.
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- Lee, W. M.
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- Li, Q. Z.
- Lietti, S. M.
- Lim, J. K.
- Lincoln, D.
- Linnemann, J.
- Lipaev, V. V.
- Lipton, R.
- Liu, Y.
- Liu, Z.
- Lobodenko, A.
- Lokajicek, M.
- Love, P.
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- Luna-Garcia, R.
- Lyon, A. L.
- Maciel, A. K. A.
- Mackin, D.
- Madar, R.
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- Malik, S.
- Malyshev, V. L.
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- Meyer, J.
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- Novaes, Sérgio Ferraz
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- Osta, J.
- Otero y Garzon, G. J.
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- Padilla, M.
- Pangilinan, M.
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- Park, S. K.
- Parsons, J.
- Partridge, R.
- Parua, N.
- Patwa, A.
- Penning, B.
- Perfilov, M.
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- Peters, Y.
- Petrillo, G.
- Petroff, P.
- Piegaia, R.
- Piper, J.
- Pleier, M. -A.
- Podesta-Lerma, P. L. M.
- Podstavkov, V. M.
- Pol, M. -E.
- Polozov, P.
- Popov, A. V.
- Prewitt, M.
- Price, D.
- Protopopescu, S.
- Qian, J.
- Quadt, A.
- Quinn, B.
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- Ranjan, K.
- Ratoff, P. N.
- Razumov, I.
- Renkel, P.
- Rich, P.
- Rijssenbeek, M.
- Ripp-Baudot, L.
- Rizatdinova, F.
- Rominsky, M.
- Royon, C.
- Rubinov, P.
- Ruchti, R.
- Safronov, G.
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- Sanghi, B.
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- Savage, G.
- Sawyer, L.
- Scanlon, T.
- Schaile, D.
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- Schellman, H.
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- Schwienhorst, R.
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- Severini, H.
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- Shary, V.
- Shchukin, A. A.
- Shivpuri, R. K.
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- Sirotenko, V.
- Skubic, P.
- Slattery, R.
- Smirnov, D.
- Snow, G. R.
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- Snyder, S.
- Soedner-Rembold, S.
- Sonnenschein, L.
- Sopczak, A.
- Sosebee, M.
- Soustruznik, K.
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- Stark, J.
- Stolin, V.
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- Strauss, E.
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- Stroehmer, R.
- Strom, D.
- Stutte, L.
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- Wayne, M.
- Weber, G.
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- Wetstein, M.
- White, A.
- Wicke, D.
- Williams, M. R. J.
- Wilson, G. W.
- Wimpenny, S. J.
- Wobisch, M.
- Wood, D. R.
- Wyatt, T. R.
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- Xu, C.
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- Yatsunenko, Y. A.
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- Yin, H.
- Yip, K.
- Yoo, H. D.
- Youn, S. W.
- Yu, J.
- Zelitch, S.
- Zhao, T.
- Zhou, B.
- Zhu, J.
- Zielinski, M.
- Zieminska, D.
- Zivkovic, L.
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- We present a new measurement of the WZ -> lvll (l = e, mu) cross section and limits on anomalous triple gauge couplings. Using 4.1 fb(-1) of integrated luminosity of p (p) over bar collisions at root s = 1.96 TeV, we observe 34 WZ candidate events with an estimated background of 6.0 +/- 0.4 events. We measure the WZ production cross section to be 3.89(-0.90)(+1.07) pb, in good agreement with the standard model prediction. We find no evidence for anomalous WWZ couplings and set 95% C.L. limits on the coupling parameters, -0.077 < lambda(z) < 0.093 and -0.029 < Delta kappa(z) < 0.080 in the HISZ parameterization for a Lambda = 2 TeV form factor scale. These are the best limits to date obtained from the direct measurement of the WWZ vertex. (C) 2010 Elsevier B.V. All rights reserved.
- 10-Jan-2011
- Physics Letters B. Amsterdam: Elsevier B.V., v. 695, n. 1-4, p. 67-73, 2011.
- 67-73
- Elsevier B.V.
- Diboson production
- W and Z bosons
- Cross section
- Anomalous triple gauge couplings
- Tevatron
- DO
- http://dx.doi.org/10.1016/j.physletb.2010.10.047
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/24038
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