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  • Single spin asymmetries in inclusive $\pi^0$ production in $p+p$ and $\pi^-+p$ interactions at 40-70 GeV
    Mochalov, V. V; Davidenko, A. M; Derevschikov, A. A; Goncharenko, Y. M; Khodyrev, V. Y; Kravtsov, V. I; Matulenko, Y. A; Melnick, Y. M; Meschanin, A. P; Minaev, N. G; Morozov, D. A; Nogach, L. V; Nurushev, S. B; Prudkoglyad, L. F; Semenov, P. A; Soloviev, L. F; Vasiliev, A. N; Yakutin, A. E; Bazhanov, N. L; Borisov, N. S; Fedorov, A. N; Koloimiets, V. G; Lazarev, A. B; Neganov, A. B; Plis, Y. A; Shchevelev, O. N; Usov, Y. A

    12/2006
    Journal Article

    We present recent results of single-spin asymmetry $A_N$ measurements in $\pi^0$ inclusive production. Asymmetry was measured in $\pi^-p$ and $pp$ interactions at 40 and 70 GeV correspondingly. Significant asymmetry was observed in the polarized target fragmentation region. The results are in agreement with "universal threshold" of single-spin asymmetry.

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