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Study of ππ0 production by pions in the nuclear Coulomb field at threshold

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Zeitschrift für Physik C Particles and Fields

Abstract

The ππ0 production in nuclear Coulomb field at threshold has been studied for the first time experimentally. The cross section of the reaction

$$\pi ^ - + (A,Z) \to \pi ^ - + \pi ^0 + (A,Z)$$

at 40 GeV on C, Al, Fe nuclei has been determined for small 4-momentum transferst<2·10−3 (GeV/c)2 and invariant mass of π-π0 S<10m 2π . The obtained result is in agreement with Adler's PCAC anomaly and colourSU(3) theory.

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Authors and Affiliations

  1. Institute of High Energy Physics, SU-142284, Serpukhov, USSR

    Y. M. Antipov, V. A. Batarin, V. A. Bessubov, N. P. Budanov, Y. P. Gorin, S. P. Denisov, S. V. Klimenko, I. V. Kotov, A. A. Lebedev, A. I. Petrukhin, S. A. Polovnikov & D. A. Stoyanova

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

    Y. A. Gornushkin, P. A. Kulinich, G. V. Micelmacher, A. G. Olshevski, J. Sedlak & V. I. Travkin

  3. Istituto di Fisica and Sezione INFN, I-20100, Milano, Italy

    F. Palombo

  4. Institute of Physics of the Georgian Academy of Sciences, SU-380086, Tbilisi, USSR

    R. V. Pirtzkhalava & V. N. Roinishvili

Authors
  1. Y. M. Antipov
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  2. V. A. Batarin
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  3. V. A. Bessubov
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  4. N. P. Budanov
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  5. Y. P. Gorin
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  6. Y. A. Gornushkin
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  7. S. P. Denisov
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  8. S. V. Klimenko
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  9. I. V. Kotov
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  10. P. A. Kulinich
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  11. A. A. Lebedev
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  12. G. V. Micelmacher
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  13. A. G. Olshevski
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  14. F. Palombo
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  15. A. I. Petrukhin
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  16. R. V. Pirtzkhalava
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  17. S. A. Polovnikov
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  18. V. N. Roinishvili
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  19. J. Sedlak
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  20. D. A. Stoyanova
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  21. V. I. Travkin
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Antipov, Y.M., Batarin, V.A., Bessubov, V.A. et al. Study of ππ0 production by pions in the nuclear Coulomb field at threshold. Z. Phys. C - Particles and Fields 27, 21–25 (1985). https://doi.org/10.1007/BF01642476

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  • DOI: https://doi.org/10.1007/BF01642476

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