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Angular distribution and polarization of K*(890) in ¯pp annihilation at 5.7 GeV/c

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Czechoslovak Journal of Physics Aims and scope

Abstract

We have studied angular distributions ofK *(890) and found strong angular asymmetry forward-backward in ¯K */K * in the centre of mass system. The ¯K * are produced predominantly in original direction of ¯p while theK * follow the proton directions. We also looked for angular distributions andϱ-matrix elements in the rest system ofK *. We did not find any strong deviation from the isotropy distributions. In our research the corresponding matrix element for the angular distribution acoording to transversity axis has been found,ϱ 00=0·37 ±0·05.

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Authors and Affiliations

  1. Institute of Physics, Czechosl. Acad. Sci., Na Slovance 2, 180 40, Praha 8, Czechoslovakia

    J. Sedlák & V. Šimák

  2. Czech Technical University, Technická 4, 160 00, Praha 6, Czechoslovakia

    J. Vávra

Authors
  1. J. Sedlák
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  2. V. Šimák
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  3. J. Vávra
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Sedlák, J., Šimák, V. & Vávra, J. Angular distribution and polarization of K*(890) in ¯pp annihilation at 5.7 GeV/c. Czech J Phys 41, 441–449 (1991). https://doi.org/10.1007/BF01597947

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  • DOI: https://doi.org/10.1007/BF01597947

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