Search for excited quarks in e+e- interactions with the cello detector

H. J. Behrend, J. Bürger, L. Criegee, J. B. Dainton, H. Fenner, J. H. Field, G. Franke, J. Fuster, Y. Holler, J. Meyer, V. Schröder, H. Sindt, U. Timm, G. G. Winter, W. Zimmermann, P. J. Bussey, C. Buttar, A. J. Campbell, D. Hendry, G. McCurrachJ. M. Scarr, I. O. Skillicorn, K. M. Smith, J. Ahme, V. Blobel, M. Feindt, J. Harjes, M. Poppe, H. Spitzer, W. D. Apel, A. Böhrer, J. Engler, G. Flügge, D. C. Fries, W. Fues, K. Gamerdinger, P. Grosse-Wiesmann, J. Hansmeyer, G. Hopp, H. Jung, J. Knapp, M. Krüger, H. Küster, P. Mayer, H. Müller, K. H. Ranitzsch, H. Schneider, J. Wolf, W. De Boer, G. Buschhorn, G. Grindhammer, B. Gunderson, Ch Kiesling, R. Kotthaus, H. Kroha, D. Lüers, H. Oberlack, B. Sack, P. Schacht, G. Shooshtari, W. Wiedenmann, A. Cordier, M. Davier, D. Fournier, M. Gaillard, J. F. Grivaz, J. Haissinski, P. Janot, V. Journé, F. Le Diberder, E. Ros, A. Spadafora, J. J. Veillet, B. Fatah, R. George, M. Goldberg, O. Hamon, F. Kapusta, F. Kovacs, L. Poggioli, M. Rivoal, G. D'Agostini, F. Ferrarotto, M. Gaspero, B. Stella, R. Aleksan, G. Cozzika, Y. Ducros, Y. Lavagne, F. Ould Saada, J. Pamela, F. Pierre, J. Zacek, G. Alexander, G. Bella, Y. Gnat, J. Grunhaus, A. Levy

Research output: Contribution to journalArticlepeer-review

Abstract

The production of excited quarks has been looked for in e+e- interactions at PETRA at center of mass energies up to 46.8 GeV using the CELLO detector. The different final state topologies considered are four-jets, two-jets and two-photons, three-jets, two-jets and one-photon. No deviation from standard QCD predictions is observed, thus yielding limits on the coupling constants and the masses of these possible quark states.

Original languageEnglish
Pages (from-to)178-184
Number of pages7
JournalPhysics Letters B
Volume181
Issue number1-2
DOIs
StatePublished - 27 Nov 1986

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