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IHEP 2006 - 18 (In Russian) | |
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| V.V.Abramov, A.A. Volkov, P.I.Goncharov, A.Yu.Kalinin, A.V.Khmelnikov, A.V.Korablev, Yu.P.Korenev, A.V.Kostritskij, A.N.Krinitsyn, V.I.Kryshkin, A.A.Markov, V.V.Talov, L.K.Turchanovich | ||
| Analyzing Power Measurements of Charged Hadron Production with High Transverse Momentum in pA-Collisions at 40 GeV | ||
| Protvino, 2006. – p. 12, figs: 5, tables: 6, refs.: 12. | ||
The transverse single-spin asymmetry has been measured for charged hadrons ( pi+-, K+-, p, \bar{p}), produced in proton-nucleus collisions. The measurements have been performed at FODS-2 experimental setup using IHEP 40 GeV polarized beam and nuclear targets (C and Cu). The data are obtained in c.m. angle range 73-94o near the central region ( -0,01 < xF < 0,27, 0,7 < pT < 3,6 GeV/c ). The single-spin asymmetry for pi+- and K+-mesons becomes large at high pT values and moderate positive xF . Analyzing power for other hadrons ( pi-, K-, p, \bar{p} ) is consistent with zero in the explored pT range. The dependence of analyzing power off target nuclei mass is not significant.
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