Study of hadron and inclusive muon production from e+e- annihilation at 39.79s 46.78 GeV

B. Adeva, S. Ansari, U. Becker, R. Becker-Szendy, J. Berdugo, A. Boehm, J. G. Branson, J. D. Burger, M. Capell, M. Cerrada, C. C. Chang, Y. H. Chang, H. S. Chen, M. Chen, M. L. Chen, M. Y. Chen, Y. K. Chi, E. Deffur, K. Deiters, M. DemarteauM. Dhina, B. Z. Dong, P. Duinker, H. S. Fesefeldt, D. Fong, M. Fukushima, L. Garrido, R. D. Han, D. Harting, G. Herten, M. C. Ho, D. Hueser, M. Hussain, M. M. Ilyas, D. Z. Jiang, M. Klein, W. Krenz, P. Kuijer, R. Leiste, Q. Z. Li, D. Linnhoefer, D. Luckey, E. J. Luit, H. Ma, C. Mana, M. A. Marquina, M. Martinez, G. G.G. Massaro, J. Mnich, K. Nadeem, H. Newman, W. D. Nowak, M. Nusbaumer, M. Pohl, F. P. Poschmann, R. R. Rau, S. Rodriguez, M. Rohde, J. A. Rubio, H. Rykaczewski, M. Sachwitz, J. Salicio, H. J. Schreiber, U. Schroeder, J. Schug, H. Stone, G. M. Swider, H. W. Tang, D. Teuchert, Samuel C.C. Ting, K. L. Tung, H. Vogt, M. Q. Wang, M. White, H. G. Wu, S. X. Wu, M. F. Wyne, B. Wyslouch, B. X. Yang, X. Yu, L. S. Zhang, Z. H. Zhang, B. Zhou, R. Y. Zhu

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44 Scopus citations


We use the reaction e+e-hadrons, in the Mark J detector at the DESY electron-positron collider PETRA, to determine the hadronic cross section up to 46.78 GeV. The production of a top quark with a charge equal to (2/3) is excluded up to 46.6 GeV with 95% C.L. The observed rise in the cross section at higher energies is consistent with the electroweak prediction for a Z0 mass of 93 GeV. We describe some unusual muon inclusive events.

Original languageEnglish
Pages (from-to)681-691
Number of pages11
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number3
StatePublished - 1986


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