DAPNIA-04-55 |
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Measurement of analyzing powers for the reaction $\vec p+CH_2$ at $p_p$=1,75-5,3 GeV |
L.S. Azghirey, V.A. Arefiev, I. Atanasov, S.N. Basilev, Yu.P. Bushuev, V.V. Glagolev, M.K. Jones, D.A. Kirillov, P.P. Korovin, G.F. Kumbartzky, P.K. Manyakov, J. Muv{s}insk'y, L. Penchev, C.F. Perdrisat, V. Punjabi, N.M. Piskunov, I.M. Sitink, V.M.Slepnev, I.V. Slepnev, and E. Tomasi-Gustafsson |
We report a new measurement of analyzing powers for the reaction $\\vec p+CH_2\\to$ one charged particle +$X$, at proton momenta of 1.75, 3.8, 4.5 and 5.3 GeV/c. These results extend the existing data basis, necessary for proton polarimetry at intermediate energy, and confirm the feasibility of a large acceptance polarimeter based on this process. The experiment is performed at the accelerator complex of the JINR-LHE (Dubna). |