Direct Measurement of the Negative-Kaon Form Factor

E. B. Dally, J. M. Hauptman, J. Kubic, D. H. Stork, A. B. Watson, Z. Guzik, T. S. Nigmanov, V. D. Riabtsov, E. N. Tsyganov, A. S. Vodopianov, A. Beretvas, A. Grigorian, J. C. Tompkins, T. E. Toohig, A. A. Wehmann, J. A. Poirier, C. A. Rey, J. T. Volk, P. D. Rapp, and P. F. Shepard
Phys. Rev. Lett. 45, 232 – Published 28 July 1980
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Abstract

The electromagnetic form factor of the negative kaon has been measured by direct scattering of 250-GeV/c kaons from the stationary electrons of a liquid-hydrogen target The deviation of the measured elastic scattering cross section from the point cross section may be characterized by a root-mean-square kaon radius of rK212=0.53±0.05 fm.

  • Received 17 March 1980

DOI:https://doi.org/10.1103/PhysRevLett.45.232

©1980 American Physical Society

Authors & Affiliations

E. B. Dally*, J. M. Hauptman, J. Kubic, D. H. Stork, and A. B. Watson

  • Physics Department, University of California, Los Angeles, California 90024

Z. Guzik, T. S. Nigmanov, V. D. Riabtsov, E. N. Tsyganov, and A. S. Vodopianov

  • Joint Institute for Nuclear Research, Dubna, U. S. S. R.

A. Beretvas, A. Grigorian, J. C. Tompkins§, T. E. Toohig, and A. A. Wehmann

  • Fermi National Accelerator Laboratory, Batavia, Illinois 60510

J. A. Poirier, C. A. Rey, and J. T. Volk

  • Physics Department, University of Notre Dame, Notre Dame, Indiana 46556

P. D. Rapp** and P. F. Shepard

  • Physics Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15620

  • *Now at Varian Associates, Hansen Way, Palo Alto, Cal. 94306.
  • Now at Rutgers University, Piscataway, N.J. 08854.
  • Now at Hughes Aircraft Co., Culver City, Cal. 90230.
  • §High Energy Physics Laboratory, Stanford University, Stanford, Cal. 94305.
  • Now at Intersonics, Inc., Northbrook, Ill. 60062.
  • Now at Ohio State University, Columbus, Ohio 43210.
  • **Now at Fermi National Accelerator Laboratory, Batavia, Ill. 60510.

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Issue

Vol. 45, Iss. 4 — 28 July 1980

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