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Tests of the standard model with lepton pair production ine + e − reactions

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Zeitschrift für Physik C Particles and Fields

Abstract

The differential cross section of the reactione +e−→e +e− at a c.m. energy of 34.7 GeV has been measured. The result, together with our previously measurede +e−→α +α− data, are compared with the standard model predictions. We obtain for the weak neutral current couplings the valuesg 2 v =0.09×0.06,g 2 a =0.38×0.08. A fit of the Weinberg mixing angle gives the valueg 2 v =0.09×0.06,g 2 a =0.038×0.08. The data are also used to set limits on possible deviations from the pointlike structure of leptons. An upper limit for thee +e− coupling to a heavy spin 0 boson is also given.

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Author information

Author notes

  1. F. Raupach

    Present address: Université de Paris Sud, F-91405, Orsay, France

  2. W. Wagner

    Present address: University of California, Davis, CA, USA

  3. Ch. Gerke

    Present address: CERN, CH-1211, Geneva 23, Switzerland

  4. M. Zachara

    Present address: Institute of Nuclear Physics, PL-30055, Cracow, Poland

  5. S. L. Cartwright

    Present address: Rutherford Appleton Laboratory, Chilton, UK

  6. B. T. King

    Present address: University of Liverpool, UK

  7. O. Achterberg

    Present address: , Texaco, D-2000, Hamburg, Germany

  8. M. Krüger & S. J. Maxfield

    Present address: University of Massachusetts, Amherst, Mass, USA

  9. R. O. Polvado

    Present address: Northeastern University, Boston, Mass, USA

  10. K. Derikum

    Present address: BESSY, D-1000, Berlin, Germany

Authors and Affiliations

  1. I. Physikalisches Institut der RWTH Aachen, D-5100, Aachen, Germany

    Ch. Berger, A. Deuter, H. Genzel, W. Lackas, J. Pielorz, F. Raupach & W. Wagner

  2. University of Bergen, N 5014, Bergen, Norway

    A. Klovning & E. Lillestöl

  3. DESY, D-2000, Hamburg, Germany

    J. Bürger, L. Criegee, F. Ferrarotto, G. Franke, M. Gaspero, Ch. Gerke, G. Knies, B. Lewendel, J. Meyer, U. Michelsen, K. H. Pape, B. Stella, U. Timm, G. G. Winter, M. Zachara & W. Zimmermann

  4. University of Glasgow, G128QQ, Glasgow, UK

    P. J. Bussey, S. L. Cartwright, J. B. Dainton, B. T. King, C. Raine, J. M. Scarr, I. O. Skillicorn, K. M. Smith & J. C. Thomson

  5. II. Institut für Experimentalphysik der Universität Hamburg, D-2000, Hamburg, Germany

    O. Achterberg, V. Blobel, D. Burkart, K. Diehlmann, M. Feindt, H. Kapitza, B. Koppitz, M. Krüger, M. Poppe, H. Spitzer & R. van Staa

  6. University of Maryland, 20742, College Park, MD, USA

    C. Y. Chang, R. G. Glasser, R. G. Kellogg, S. J. Maxfield, R. O. Polvado, B. Sechi-Zorn, J. A. Skard, A. Skuja, A. J. Tylka, G. E. Welch & G. T. Zorn

  7. Universität-Gesamthochschule Siegen, D-5900, Siegen, Germany

    F. Almeida, A. Bäcker, F. Barreiro, S. Brandt, K. Derikum, C. Grupen, H. J. Meyer, H. Müller, B. Neumann, M. Rost, K. Stupperich & G. Zech

  8. Tel-Aviv University, Tel-Aviv, Israel

    G. Alexander, G. Bella, Y. Gnat & J. Grunhaus

  9. Universität-Gesamthochschule Wuppertal, D-5600, Wuppertal, Germany

    H. Junge, K. Kraski, C. Maxeiner, H. Maxeiner, H. Meyer & D. Schmidt

Authors
  1. Ch. Berger
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  2. A. Deuter
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  3. H. Genzel
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  4. W. Lackas
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  5. J. Pielorz
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  6. F. Raupach
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  7. W. Wagner
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  8. A. Klovning
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  9. E. Lillestöl
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  10. J. Bürger
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  11. L. Criegee
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  12. F. Ferrarotto
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  13. G. Franke
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  14. M. Gaspero
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  15. Ch. Gerke
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  16. G. Knies
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  17. B. Lewendel
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  18. J. Meyer
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  19. U. Michelsen
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  20. K. H. Pape
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  21. B. Stella
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  22. U. Timm
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  23. G. G. Winter
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  24. M. Zachara
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  25. W. Zimmermann
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  26. P. J. Bussey
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  27. S. L. Cartwright
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  28. J. B. Dainton
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  29. B. T. King
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  30. C. Raine
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  31. J. M. Scarr
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  32. I. O. Skillicorn
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  33. K. M. Smith
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  34. J. C. Thomson
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  35. O. Achterberg
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  36. V. Blobel
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  37. D. Burkart
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  38. K. Diehlmann
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  39. M. Feindt
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  40. H. Kapitza
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  41. B. Koppitz
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  42. M. Krüger
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  43. M. Poppe
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  44. H. Spitzer
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  45. R. van Staa
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  46. C. Y. Chang
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  47. R. G. Glasser
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  49. S. J. Maxfield
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  50. R. O. Polvado
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  51. B. Sechi-Zorn
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  52. J. A. Skard
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  54. A. J. Tylka
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  55. G. E. Welch
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  57. F. Almeida
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  68. G. Zech
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  69. G. Alexander
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  70. G. Bella
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  71. Y. Gnat
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  72. J. Grunhaus
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  73. H. Junge
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  74. K. Kraski
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  75. C. Maxeiner
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  76. H. Maxeiner
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  77. H. Meyer
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  78. D. Schmidt
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Pluto Collaboration

Additional information

Deceased

Supported by the BMFT, Federal Republic of Germany

Partially supported by Norwegian Council for Science and Humanities

Rome University, partially supported by I.N.F.N., Sezione di Roma, Italy

Supported by the U.K. Science and Engineering Research Council

Now at Universität Karlsruhe, D-7500 Karlsruhe, FRG

Partially supported by the Department of Energy, USA

Partially supported by the Israeli Academy of Sciences and Humanities—Basic Research Foundation

On leave of absence from Inst. de Fisica, Universidad Federal do Rio de Janeiro, Brasil

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Pluto Collaboration., Berger, C., Deuter, A. et al. Tests of the standard model with lepton pair production ine + e − reactions. Z. Phys. C - Particles and Fields 27, 341–349 (1985). https://doi.org/10.1007/BF01548637

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  • DOI: https://doi.org/10.1007/BF01548637

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