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A search for the supersymmetric chargino ine +e− annihilation at PETRA

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Zeitschrift für Physik C Particles and Fields

Abstract

A search has been made for the chargino, the supersymmetric partner of theW ± (or the partner of the charged Higgs bosons), ine + e − annihilation at PETRA using the JADE detector. The chargino decay modes investigated are\(l\tilde v, l\bar v\tilde \gamma , q_1 \bar q_2 \tilde \gamma\) and\(q_1 \bar q_2 \tilde g\) (with subsequent gluino decay\(\tilde g \to q\bar q\tilde \gamma\)). No evidence for such events has been observed. The 95% C.L. lower limit for the chargino mass is typically 22.5 GeV, depending only slightly on the masses of other supersymmetric particles. If the chargino is stable, the lower mass limit is 21.1 GeV (95% C.L.).

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Author notes

  1. D. Cords & A. Petersen

    Present address: SLAC, California, USA

  2. P. Laurikainen

    Present address: University of Helsinki, Helsinki, Finland

  3. N. Magnussen & D. Schmidt

    Present address: Universität-Gesamthochschule Wuppertal, FRG

  4. P. Steffen & K. Meier

    Present address: CERN, Geneva, Switzerland

Authors and Affiliations

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

    W. Bartel, L. Becker, D. Cords, R. Felst, D. Haidt, G. Knies, H. Krehbiel, P. Laurikainen, N. Magnussen, R. Meinke, B. Naroska, J. Olsson, D. Schmidt & P. Steffen

  2. II. Institut für Experimentalphysik der Universität, D-2000, Hamburg, Federal Republic of Germany

    G. Dietrich, J. Hagemann, G. Heinzelmann, H. Kado, K. Kawagoe (Deuscher Akademiescher Austauschdienst (DAAD) Fellow), C. Kleinwort, M. Kuhlen, K. Meier, A. Petersen, R. Ramcke, U. Schneekloth & G. Weber

  3. Physikalisches Institut der Universität, D-6900, Heidelberg, Federal Republic of Germany

    K. Ambrus, S. Bethke, A. Dieckmann, E. Elsen, J. Heintze, K. H. Hellenbrand, S. Komamiya, J. von Krogh, P. Lennert, H. Matsumura, H. Rieseberg, J. Spitzer & A. Wagner

  4. University, LA1 4YB, Lancaster, England

    C. K. Bowdery, A. J. Finch, F. Foster, G. Hughes & J. M. Nye

  5. University, M13 9PL, Manchester, England

    J. Allison, A. H. Ball, R. J. Barlow, J. Chrin, I. P. Duerdoth, T. Greenshaw, P. Hill, F. K. Loebinger, A. A. Macbeth, H. McCann, H. E. Mills, P. G. Murphy, K. Stephens & P. Warming

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

    R. G. Glasser, J. A. J. Skard, S. R. Wagner & G. T. Zorn

  7. Rutherford Appleton Laboratory, Chilton, OX11 0QX, Oxon, England

    S. L. Cartwright, D. Clarke, R. Marshall & R. P. Middleton

  8. International Center for Elementary Particle Physics, University, Tokyo, Japan

    T. Kawamoto, T. Kobayashi, M. Minowa, H. Takeda, T. Takeshita & S. Yamada

Authors
  1. W. Bartel
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  2. L. Becker
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  3. D. Cords
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  4. R. Felst
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  5. D. Haidt
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  6. G. Knies
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  7. H. Krehbiel
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  8. P. Laurikainen
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  9. N. Magnussen
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  10. R. Meinke
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  11. B. Naroska
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  12. J. Olsson
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  13. D. Schmidt
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  14. P. Steffen
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  15. G. Dietrich
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  16. J. Hagemann
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  17. G. Heinzelmann
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  18. H. Kado
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  19. K. Kawagoe
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  20. C. Kleinwort
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  21. M. Kuhlen
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  22. K. Meier
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  23. A. Petersen
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  24. R. Ramcke
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  25. U. Schneekloth
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  26. G. Weber
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  27. K. Ambrus
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  28. S. Bethke
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  30. E. Elsen
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  31. J. Heintze
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  32. K. H. Hellenbrand
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  33. S. Komamiya
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  34. J. von Krogh
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  38. J. Spitzer
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  39. A. Wagner
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Bartel, W., Becker, L., Cords, D. et al. A search for the supersymmetric chargino ine +e− annihilation at PETRA. Z. Phys. C - Particles and Fields 29, 505–512 (1985). https://doi.org/10.1007/BF01560282

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  • DOI: https://doi.org/10.1007/BF01560282

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