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Zγ production in e+e- interactions at \(\sqrt{s} = 183-209\,\text{GeV}\)

Measurements of Zγ* production are presented using data collected by the DELPHI detector at centre-of-mass energies ranging from 183 to 209 GeV, corresponding to an integrated luminosity of about 667 pb-1. The measurements cover a wide range of the possible final state four-fermion configurations: h...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2007-08, Vol.51 (3), p.503-523
Main Authors: Adam, W, Albrecht, T, Allmendinger, T, Amapane, N, Amato, S, Anashkin, E, Asman, B, Augustin, JE, Bambade, P, Barker, G J, Baubillier, M, Behrmann, A, Ben-Haim, E, Bertrand, D, Besancon, M, Bluj, M, Bouquet, B, Bracko, M, Buschbeck, B, Canale, V, Chliapnikov, P, Cieslik, K, Da Silva, W, G Della Ricca, De Clercq, C, De Lotto, B, De Maria, N, MC Espirito Santo, Fokitis, E, Goncalves, P, Haug, S, Joram, C, Katsanevas, S, Kersevan, B P, Kluit, P, Kourkoumelis, C, Ledroit, F, Leitner, R, Liebig, W, Liko, D, Lipniacka, A, Loukas, D, Mandl, F, Marco, R, Margoni, M, Martinez-Rivero, C, Mastroyiannopoulos, N, Meroni, C, Moenig, K, Monge, R, Moreno, S, Navarria, F, Nawrocki, K, Nikolenko, M, Olshevski, A, Orava, R, Paganoni, M, Palacios, J P, Palka, H, Parkes, C, Passon, O, Peralta, L, Petrolini, A, Piotto, E, ME Pol, Pukhaeva, N, Pullia, A, Read, A, Rebecchi, P, Reid, D, Renton, P, Richard, F, Rodriguez, D, Rovelli, T, Ryabtchikov, D, Sadovsky, A, Salt, J, Schwickerath, U, Siebel, M, Smirnova, O, Stocchi, A, Strauss, J, Szczekowski, M, Szeptycka, M, Szumlak, T, Timmermans, J, Tortosa, P, Tristram, G, Trochimczuk, M, Tyapkin, IA, Tzamarias, S, Valenti, G, P Van Dam, J Van Eldik, N van Remortel, Veloso, F, Vilanova, D, Witek, M, Yushchenko, O, Zupan, M
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Language:English
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Summary:Measurements of Zγ* production are presented using data collected by the DELPHI detector at centre-of-mass energies ranging from 183 to 209 GeV, corresponding to an integrated luminosity of about 667 pb-1. The measurements cover a wide range of the possible final state four-fermion configurations: hadronic and leptonic (e+e-qq̄, μ+μ-qq̄, qq̄νν̄), fully leptonic (l+l-l’+l’-) and fully hadronic final states (qq̄qq̄, with a low mass qq̄ pair). Measurements of the Zγ* cross-section for the various final states have been compared with the Standard Model expectations and found to be consistent within the errors. In addition, a total cross-section measurement of the l+l-l’+l’- cross-section is reported, and found to be in agreement with the prediction of the Standard Model.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-007-0339-y