New Polarization Program at U70 (SPASCHARM Project)

A.N.Vasiliev , V.V.Mochalov , S.I.Alekhin , N.A.Bazhanov , N.I.Belikov , A.A.Belyaev , N.S.Borisov , B.V.Chujko

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Y.M.Goncharenko V.N.Grishin A.M.Davidenko A.A.Derevschikov V.A.Kachanov V.Y.Kharlov A.S.Kozhin D.A.Konstantinov V.G.Kolomiets V.A.Kormilitsin V.I.Kravtsov A.B.Lazarev A.K.Likhoded A.V.Luchinsky A.A.Lukhanin Yu.A.Matulenko Yu.M.Melnick A.P.Meschanin N.G.Minaev D.A.Morozov A.B.Neganov L.V.Nogach S.B.Nurushev Yu.A.Plis A.F.Prudkoglyad A.V.Ryazantsev P.A.Semenov O.N.Shchevelev S.R.Slabospitsky L.F.Soloviev M.N.Ukhanov Yu.A.Usov A.V.Uzunian A.S.Vovenko A.E.Yakutin

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classification ✦ hep-ex

keywords polarizationproductionprogramasymmetriesbeamcharmoniumdedicatedsingle-spin

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The new polarization program SPASCHARM is being prepared in Protvino. The program has two stages. The first stage is dedicated to single-spin asymmetries in the production of miscellaneous light resonances with the use of 34 GeV $\pi^-$-beam. Inclusive and exclusive reactions will be studied simultaneously. The second stage is dedicated to single-spin and double-spin asymmetries in charmonium production with the use of 70 GeV polarized proton beam which will allow us to understand charmonium hadronic production mechanism and make gluon polarization $\Delta g(x)$ extraction at large $x$.

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New Polarization Program at U70 (SPASCHARM Project)

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