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Production of charmed mesons in γγ interactions

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Zeitschrift für Physik C Particles and Fields

Abstract

Production of charmed mesons in γγ-interactions at PETRA energies has been observed in the TASSO detector. Cross sections for inclusiveD *± and\(D^0 \bar D^0 \) production have been measured. Neutral and charged meson pairs are estimated to be produced with comparable cross sections, and their sum seems to account for a sizeable fraction of σtot(γγ→hadrons) near the\(c\bar c\) threshold.

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Author information

Author notes

  1. B. Bock

    Present address: Krupp Atlas Elektr. GmbH, Bremen, FRG

  2. A. Jocksch

    Present address: Fa. Fichtner, Stuttgart, FRG

  3. A. J. Martin

    Present address: Queen Mary and Westfield College, London, UK

  4. E. Bernardi

    Present address: Robert Bosch GmbH, Schieberdingen, FRG

  5. J. Chwastowski & A. Eskreys

    Present address: Inst. of Nuclear Physics, Cracow, Poland

  6. K. Genser, J. M. Pawlak & R. Walczak

    Present address: Warsaw University, Poland

  7. W. Zeuner & M. Takashima

    Present address: CERN, Geneva, Switzerland

  8. J. Shulman

    Present address: University College, London

  9. D. Su

    Present address: RAL, Chilton, Didcot, UK

  10. L. Lyons (Visitor) & E. E. Ronat

    Present address: Nuclear Physics Lab., Oxford, UK

  11. D. Muller

    Present address: SLAC, Standford, USA

  12. S. Ritz

    Present address: Columbia University, NY, USA

  13. D. Strom

    Present address: University of Chicago, Chicago, IL, USA

Authors and Affiliations

  1. I. Physikalisches Institut der RWTH, Aachen, Germany

    W. Braunschweig, R. Gerhards, F. J. Kirschfink & H. -U. Martyn

  2. Physikalisches Institut der Universität, Bonn, Germany

    B. Bock, H. M. Fischer, H. Hartmann, J. Hartmann, E. Hilger, A. Jocksch & R. Wedemeyer

  3. H.H. Wills Physics Laboratory, University of Bristol, Bristol, UK

    B. Foster & A. J. Martin

  4. Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany

    E. Bernardi, J. Chwastowski, A. Eskreys, K. Genser, H. Hultschig, P. Joos, H. Kowalski, A. Ladage, B. Löhl, D. Lüke, D. Notz, J. M. Pawlak, K. -U. Pösnecker, E. Ros, D. Trines, R. Walczak & G. Wolf

  5. Institut für Physik, Universität, Dortmund, Germany

    H. Kolanoski

  6. II. Institut für Experimentalphysik der Universität, Hamburg, Germany

    T. Kracht, J. Krüger, E. Lohrmann, G. Poelz & W. Zeuner

  7. Department of Physics, Imperial College, London, UK

    J. Hassard, J. Shulman, D. Su & I. R. Tomalin

  8. Universidad Autonoma de Madrid, Madrid, Spain

    F. Barreiro, A. Leites & J. del Peso

  9. Rutherford Appleton Laboratory, Chilton, Didcot, UK

    J. C. Hart & D. H. Saxon

  10. Fachbereich Physik der Universität-Gesamthochschule, Siegen, Germany

    S. Brandt & M. Holder

  11. Weizmann Institute, Rehovot, Israel

    E. Duchovni, Y. Eisenberg, D. Hochman, U. Karshon, L. Lyons (Visitor), A. Montag, D. Revel, E. E. Ronat & N. Wainer

  12. Department of Physics, University of Wisconsin, Madison, WI, USA

    D. Muller, S. Ritz, D. Strom, M. Takashima, Sau Lan Wu & G. Zobernig

Authors
  1. W. Braunschweig
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  2. R. Gerhards
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  3. F. J. Kirschfink
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  4. H. -U. Martyn
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  5. B. Bock
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  6. H. M. Fischer
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  7. H. Hartmann
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  8. J. Hartmann
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  9. E. Hilger
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  10. A. Jocksch
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  11. R. Wedemeyer
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  12. B. Foster
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  13. A. J. Martin
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  14. E. Bernardi
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  15. J. Chwastowski
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  16. A. Eskreys
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  17. K. Genser
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  18. H. Hultschig
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  19. P. Joos
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  20. H. Kowalski
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  21. A. Ladage
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  22. B. Löhl
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  23. D. Lüke
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  24. D. Notz
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  25. J. M. Pawlak
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  26. K. -U. Pösnecker
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  27. E. Ros
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  28. D. Trines
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  29. R. Walczak
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  30. G. Wolf
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  31. H. Kolanoski
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  32. T. Kracht
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  33. J. Krüger
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  34. E. Lohrmann
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  35. G. Poelz
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  36. W. Zeuner
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  37. J. Hassard
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  38. J. Shulman
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  39. D. Su
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  40. I. R. Tomalin
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  41. F. Barreiro
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  42. A. Leites
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  43. J. del Peso
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  44. J. C. Hart
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  46. S. Brandt
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  47. M. Holder
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  48. E. Duchovni
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  50. D. Hochman
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  51. U. Karshon
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  52. L. Lyons
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  53. A. Montag
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  54. D. Revel
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  55. E. E. Ronat
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  56. N. Wainer
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  57. D. Muller
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  58. S. Ritz
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  59. D. Strom
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  60. M. Takashima
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  61. Sau Lan Wu
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  62. G. Zobernig
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Consortia

TASSO Collaboration

Additional information

This paper is dedicated to the memory of our friend and colleague Elhanan (Ed) Ronat

partially supported by grant CPBP 01.06

Now at Hasylab, DESY

The Nicki and J. Ira Harris professorial chair

Deceased

Supported by Bundesministerium für Forschung und Technologie

Supported by UK Science and Engineering Research Council

Supported by CAICYT

Supported by the Minerva Gesellschaft für Forschung GmbH

Supported by US Dept. of Energy, contract DE-AC0276ER000881 and by US Nat. Sci. Foundation Grant no INT-8313994 for travel

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TASSO Collaboration., Braunschweig, W., Gerhards, R. et al. Production of charmed mesons in γγ interactions. Z. Phys. C - Particles and Fields 47, 499–504 (1990). https://doi.org/10.1007/BF01552314

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  • DOI: https://doi.org/10.1007/BF01552314

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