A search for substructure of leptons and quarks with the CELLO detector

H. J. Behrend*, L. Criegee, J. H. Field, G. Franke, H. Jung, J. Meyer, O. Podobrin, V. Schröder, G. G. Winter, P. J. Bussey, C. Buttar, A. J. Campbell, D. Hendry, S. Lumsdon, I. O. Skillicorn, J. Ahme, V. Blobel, M. Feindt, H. Fenner, J. HarjesJ. Köhne, J. H. Peters, H. Spitzer, T. Weihrich, W. D. Apel, J. Engler, G. Flügge, D. C. Fries, J. Fuster, K. Gamerdinger, P. Grosse-Wiesmann, H. Küster, H. Müller, K. H. Ranitzsch, H. Schneider, W. de Boer, G. Buschhorn, G. Grindhammer, B. Gunderson, C. Kiesling, R. Kotthaus, H. Kroha, D. Lüers, H. Oberlack, P. Schacht, S. Scholz, W. Wiedenmann, M. Davier, J. F. Grivaz, J. Haissinski, V. Journé, F. Le Diberder, J. J. Veillet, K. Blohm, R. George, M. Goldberg, O. Hamon, F. Kapusta, L. Poggioli, M. Rivoal, G. d'Agostini, F. Ferrarotto, M. Iacovacci, G. Shooshtari, B. Stella, G. Cozzika, Y. Ducros, G. Alexander, A. Beck, G. Bella, J. Grunhaus, A. Klatchko, A. Levy, C. Milsténe

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Differential cross section data of the CELLO experiment on pair production of muons, taus, and heavy quarks in e+e--annihilation are presented and analysed, together with our data on Bhabha scattering, in terms of compositeness effects characterized by the mass scale Λ. We discuss difficulties in the combination of limits Λ from different experiments. The appropriate parameter to combine different results turns out to be e{open}=±1/Λ2, which is in contrast to Λ Gaussian distributed.

Original languageEnglish
Pages (from-to)149-156
Number of pages8
JournalEuropean Physical Journal C
Issue number2
StatePublished - Jun 1991


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