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A search for new leptons

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Zeitschrift für Physik C Particles and Fields

Abstract

A search for new leptons, charged and neutral, produced ine + e − collisions at an average c.m. energy of 44.2 GeV, has been carried out with the CELLO detector at PETRA. No such particles have been observed: we exclude pair production of new charged leptons at the 95% C.L. in the mass range 1.5–22.0 GeV/c2 and of neutral leptons in the mass range 3.1–18.0 GeV/c2. Single production of a heavy neutrino together with a standard neutrino has also been studied; we exclude an electron-like neutral lepton in the mass ranges 0.6–34.6 GeV/c2 forV—A coupling to theW boson, and 0.4–37.4 GeV/c2 forV+A coupling.

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Author notes

  1. H. Küster

    Present address: Deutsches Elektronen-Synchrotron, DESY, D-2000, Hamburg, Federal Republic of Germany

  2. F. Ould Saada

    Present address: Institut für Experimentalphysik, Universität Hamburg, D-2000, Hamburg, Federal Republic of Germany

  3. J. B. Dainton

    Present address: University of Liverpool, UK

  4. J. H. Field

    Present address: University of Genève, Geneva, Switzerland

  5. H. Jung & G. Flügge

    Present address: III. Physikalisches Institut, RWTH, Aachen, FRG

  6. C. Buttar

    Present address: Nuclear Physics Laboratory, Oxford, UK

  7. M. Poppe

    Present address: CERN, Geneva, Switzerland

  8. J. Fuster

    Present address: Instituto de Física Corpuscular, Universidad de Valencia, Spain

  9. K. Gamerdinger

    Present address: MPI, München, FRG

  10. P. Grosse-Wiesmann & R. Aleksan

    Present address: Stanford Linear Accelerator Center, Stanford, USA

  11. Ch. Kiesling

    Present address: Heisenberg-Stipendiat der Deutschen Forschungsgemeinschaft, Deutschland

  12. A. Spadafora

    Present address: Lawrence Berkeley Laboratory, Berkeley, USA

  13. J. Záček

    Present address: Nuclear Center, Charles University, Prague, CSSR

Authors and Affiliations

  1. Deutsches Elektronen-Synchrotron, DESY, D-2000, Hamburg, Federal Republic of Germany

    H. -J. Behrend, J. Bürger, L. Criegee, J. B. Dainton, J. H. Field, G. Franke, H. Jung, J. Meyer, V. Schröder, U. Timm, G. G. Winter & W. Zimmermann

  2. University of Glasgow, G128QQ, Glasgow, UK

    P. J. Bussey, C. Buttar, A. J. Campbell, D. Hendry, G. McCurrach, J. M. Scarr, I. O. Skillicorn & K. M. Smith

  3. Institut für Experimentalphysik, Universität Hamburg, D-2000, Hamburg, Federal Republic of Germany

    J. Ahme, V. Blobel, M. Feindt, H. Fenner, J. Harjes, J. H. Peters, M. Poppe & H. Spitzer

  4. Kernforschungszentrum Karlsruhe und Universität Karlsruhe, D-7500, Karlsruhe, Federal Republic of Germany

    W. -D. Apel, A. Böhrer, J. Engler, G. Flügge, D. C. Fries, J. Fuster, K. Gamerdinger, P. Grosse-Wiesmann, J. Hansmeyer, G. Hopp, J. Knapp, M. Krüger, H. Küster, P. Mayer, H. Müller, K. H. Ranitzsch, H. Schneider & J. Wolf

  5. Max-Planck-Institut für Physik und Astrophysik, D-8000, München, Federal Republic of Germany

    W. de Boer, G. Buschhorn, G. Grindhammer, B. Gunderson, Ch. Kiesling, R. Kotthaus, H. Kroha, D. Lüers, H. Oberlack, P. Schacht, S. Scholz, G. Shooshtari & W. Wiedenmann

  6. Laboratoire de l'Accélérateur Linéaire, F-91405, Orsay, France

    M. Davier, J. -F. Grivaz, J. Haissinski, P. Janot, V. Journé, Kim D. W., F. Le Diberder, A. Spadafora & J. -J. Veillet

  7. Laboratoire de Physique Nucléaire et Hautes Energies, Université de Paris, F-75230, Paris Cedex 05, France

    K. Blohm, R. George, M. Goldberg, O. Hamon, F. Kapusta, F. Kovacs, L. Poggioli & M. Rivoal

  8. University of Rome and INFN, I-00100, Rome, Italy

    G. d'Agostini, F. Ferrarotto, M. Gaspero, B. Stella & Y. Ducros

  9. Centre d'Études Nucléaires, Saclay, F-91191, Gif-sur-Yvette, France

    R. Aleksan, G. Cozzika, P. Jarry, Y. Lavagne, F. Ould Saada, F. Pierre & J. Záček

  10. Tel Aviv University, Tel Aviv, Israel

    G. Alexander, G. Bella, Y. Gnat, J. Grunhaus, A. Klatchko, A. Levy & C. Milsténe

Authors
  1. H. -J. Behrend
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  2. J. Bürger
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  3. L. Criegee
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  4. J. B. Dainton
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  5. J. H. Field
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  6. G. Franke
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  7. H. Jung
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  8. J. Meyer
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  9. V. Schröder
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  10. U. Timm
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  11. G. G. Winter
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  12. W. Zimmermann
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  13. P. J. Bussey
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  14. C. Buttar
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  15. A. J. Campbell
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  16. D. Hendry
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  17. G. McCurrach
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  18. J. M. Scarr
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  19. I. O. Skillicorn
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  20. K. M. Smith
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  21. J. Ahme
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  22. V. Blobel
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  23. M. Feindt
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  24. H. Fenner
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  25. J. Harjes
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  26. J. H. Peters
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  27. M. Poppe
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  28. H. Spitzer
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  29. W. -D. Apel
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  30. A. Böhrer
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  31. J. Engler
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  32. G. Flügge
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  33. D. C. Fries
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  34. J. Fuster
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  35. K. Gamerdinger
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  36. P. Grosse-Wiesmann
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  37. J. Hansmeyer
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  38. G. Hopp
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  39. J. Knapp
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  40. M. Krüger
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  41. H. Küster
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  42. P. Mayer
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  43. H. Müller
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  44. K. H. Ranitzsch
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  45. H. Schneider
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  51. Ch. Kiesling
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  52. R. Kotthaus
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  54. D. Lüers
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  55. H. Oberlack
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  56. P. Schacht
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  60. M. Davier
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  61. J. -F. Grivaz
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  64. V. Journé
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  67. A. Spadafora
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  72. O. Hamon
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  73. F. Kapusta
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  80. B. Stella
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  81. R. Aleksan
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  82. G. Cozzika
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  83. Y. Ducros
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  84. P. Jarry
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  86. F. Ould Saada
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  87. F. Pierre
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  88. J. Záček
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  89. G. Alexander
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  90. G. Bella
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  91. Y. Gnat
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  92. J. Grunhaus
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  93. A. Klatchko
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  94. A. Levy
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  95. C. Milsténe
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Behrend, H.J., Bürger, J., Criegee, L. et al. A search for new leptons. Z. Phys. C - Particles and Fields 41, 7–16 (1988). https://doi.org/10.1007/BF01412573

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  • DOI: https://doi.org/10.1007/BF01412573

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