Depolarization and spin transfer in [formula omitted] with a polarized target

The reaction p p→ Λ Λ was examined by LEAR experiment PS185/3 at 1.525 and 1.640 GeV/c. The proton target was transversely polarized in order to measure the depolarization and spin transfer. Theoretical calculations of D nn, the component of the depolarization normal to the production plane, differ...

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Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2004, Vol.214, p.167-170
Main Authors: Bassalleck, B, Berdoz, A, Bradtke, C, Bröders, R, Bunker, B, Dennert, H, Dutz, H, Eilerts, S, Eyrich, W, Fields, D, Fischer, H, Franklin, G, Franz, J, Gehring, R, Geyer, R, Goertz, S, Hamann, N, Harmsen, J, Hauffe, J, Heinsius, F, Hertzog, D, Johansson, T, Jones, T, Khaustov, P, Kilian, K, Kingsberry, P, Kriegler, E, Lowe, J, Meier, A, Metzger, A, Meyer, C, Meyer, W, Moosburger, M, Oelert, W, Paschke, K, Plückthun, M, Pomp, S, Quinn, B, Reicherz, G, Röhrich, K, Sachs, K, Schmitt, H, Schoch, B, Sefzick, T, Stinzing, F, Stotzer, R, Tayloe, R, Wirth, St
Format: Article
Language:English
Subjects:
Antilambda
Antiproton
Polarization
Spin transfer
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Summary:The reaction p p→ Λ Λ was examined by LEAR experiment PS185/3 at 1.525 and 1.640 GeV/c. The proton target was transversely polarized in order to measure the depolarization and spin transfer. Theoretical calculations of D nn, the component of the depolarization normal to the production plane, differ greatly according to whether quark-gluon or meson-exchange models are employed. The measured D nn and spin transfer K nn appear to be inconsistent with the specific models cited.
ISSN:0168-583X
1872-9584
DOI:10.1016/S0168-583X(03)01768-3