/ Experiment-HEP hep-ex/0612039

Single spin asymmetries in inclusive pi0 production in p + p and pi- + p interactions at 40-GeV - 70-GeV.

Mochalov, V.V. (Serpukhov, IHEP) ; Davidenko, A.M. (Serpukhov, IHEP) ; Derevschikov, A.A. (Serpukhov, IHEP) ; Goncharenko, Y.M. (Serpukhov, IHEP) ; Khodyrev, V.Y. (Serpukhov, IHEP) ; Kravtsov, V.I. (Serpukhov, IHEP) ; Matulenko, Y.A. (Serpukhov, IHEP) ; Melnick, Y.M. (Serpukhov, IHEP) ; Meschanin, A.P. (Serpukhov, IHEP) ; Minaev, N.G. (Serpukhov, IHEP) ; Morozov, D.A. (Serpukhov, IHEP) ; Nogach, L.V. (Serpukhov, IHEP) ; Nurushev, S.B. (Serpukhov, IHEP) ; Prudkoglyad, L.F. (Serpukhov, IHEP) ; Semenov, P.A. (Serpukhov, IHEP) ; Soloviev, L.F. (Serpukhov, IHEP) ; Vasiliev, A.N. (Serpukhov, IHEP) ; Yakutin, A.E. (Serpukhov, IHEP) ; Bazhanov, N.L. (Dubna, JINR) ; Borisov, N.S. (Dubna, JINR) ; Fedorov, A.N. (Dubna, JINR) ; Koloimiets, V.G. (Dubna, JINR) ; Lazarev, A.B. (Dubna, JINR) ; Neganov, A.B. (Dubna, JINR) ; Plis, Y.A. (Dubna, JINR) ; Shchevelev, O.N. (Dubna, JINR) ; Usov, Y.A. (Dubna, JINR)

Page No: 631-634
Pages: 4

Abstract: 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.

Keyword(s): single-spin asymmetry ; polarization ; polarized target ; fragmentation region

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 Record created 2010-10-29, last modified 2013-11-12

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