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Polarization in charge exchange reaction π−+p→π0+n at 40 GeV/c for the 4-momentum transfer range 0<|t|<2 (GeV/c)2

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Zeitschrift für Physik C Particles and Fields

Abstract

The results on measuring polarization in charge exchange reaction π−+p→π0+n at 40 GeV/c are presented for the 4-momentum transfer range from 0 up to 2 (GeV/c)2. At |t|≦0.4 (GeV/c)2 the polarization has a positive sign. In the “crossover” region of π± elastic scattering a possible minimum in the polarization behaviour has been seen for the first time. the polarization is zero within the statistical accuracy near this point. In the “deep” region of the charge-exchange differential cross-section the polarization has a negative sign. The presented data are not in agreement with the modern theoretical models.

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Authors and Affiliations

  1. Institute for High Energy Physics, Serpukhov, USSR

    V. D. Apokin, I. A. Avvakumov, Yu. Sh. Bagaturia, N. I. Belikov, N. S. Borisov, E. N. Buniatova, B. V. Chuiko, A. A. Derevschikov, L. N. Glonti, Yu. M. Kazarinov, B. A. Khachaturov, M. Yu. Liburg, G. G. Macharashvili, V. N. Mataphonov, Yu. A. Matulenko, A. P. Meschanin, A. A. Morozov, A. I. Mysnik, B. S. Neganov, S. B. Nurushev, L. B. Parfenov, I. K. Potashnikova, A. F. Prudkogliad, A. I. Saraikin, V. V. Siksin, E. V. Smirnov, L. F. Soloviev, V. L. Solovianov, A. N. Vasiliev & Yu. A. Usov

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  1. V. D. Apokin
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  2. I. A. Avvakumov
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  8. A. A. Derevschikov
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  10. Yu. M. Kazarinov
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  14. V. N. Mataphonov
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  17. A. A. Morozov
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  30. Yu. A. Usov
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Apokin, V.D., Avvakumov, I.A., Bagaturia, Y.S. et al. Polarization in charge exchange reaction π−+p→π0+n at 40 GeV/c for the 4-momentum transfer range 0<|t|<2 (GeV/c)2 . Z. Phys. C - Particles and Fields 15, 293–298 (1982). https://doi.org/10.1007/BF01614420

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  • DOI: https://doi.org/10.1007/BF01614420

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