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Asymmetry of π− meson emission in nucleus-nucleus collisions as a measure of the target-to-projectile ratio of the numbers of interacting nucleons

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Zeitschrift für Physik C Particles and Fields

Abstract

Experimental data on the forward-backward asymmetry of π- emission in (d,4He,12C)181Ta interactions atp/A=4.2 GeV/c are presented. The absolute value of the asymmetry coefficient of the inclusive π- production in the nucleon-nucleonCMS decreases asA −0.35p with increasing atomic mass of projectile nucleus. A method of obtaining the target-to-projectile ratio of the numbers of participant nucleonsN t /N p through measuring the velocity of the symmetric pion emission system is proposed. It has been found that Nt/Np∼A −0.73p .

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Author notes

  1. J. Bartke

    Present address: Institute of Nuclear Physics, PL-30005, Cracow, Poland

  2. R. R. Mekhtiev

    Present address: Institute of Physics, Azerbaijan Academy of Science, SU-370143, Baku, USSR

Authors and Affiliations

  1. Joint Institute for Nuclear Research, SU-141980, Dubna, USSR

    J. Bartke, I. A. Ivanovskaya, R. R. Mekhtiev & M. I. Soloviev

  2. Scientific Research Institute for Nuclear Physics, Moscow State University, SU-119899, Moscow, USSR

    L. M. Shcheglova & A. N. Solomin

Authors
  1. J. Bartke
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  2. I. A. Ivanovskaya
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  3. R. R. Mekhtiev
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  4. M. I. Soloviev
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  5. L. M. Shcheglova
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  6. A. N. Solomin
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Bartke, J., Ivanovskaya, I.A., Mekhtiev, R.R. et al. Asymmetry of π− meson emission in nucleus-nucleus collisions as a measure of the target-to-projectile ratio of the numbers of interacting nucleons. Z. Phys. C - Particles and Fields 29, 9–13 (1985). https://doi.org/10.1007/BF01571373

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  • DOI: https://doi.org/10.1007/BF01571373

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