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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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
Issue number1-2
StatePublished - 27 Nov 1986


FundersFunder number
Bundes-ministerium for Forschung und Technologic
Commissariat ~ l'Energie Atomique
Israeli Ministry of Science and Development
Science and Engineering Research Council
Institut National de Physique Nucléaire et de Physique des Particules


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