Year: 2002
Type: article
Abstract: Spin-transfer observables for $\overline{p}p\ensuremath{\rightarrow}\overline{\ensuremath{\Lambda}}\ensuremath{\Lambda}$ have been measured using a transversely polarized frozen-spin target and a beam momentum of $1.637\text{ }\text{ }\mathrm{G}\mathrm{e}\mathrm{V}\mathrm{/}\mathit{c}$. Current models of the reaction near threshold are in good agreement with existing measurements performed with unpolarized particles in the initial state but produce conflicting predictions for the spin-transfer observables ${D}_{nn}$ and ${K}_{nn}$ (the normal-to-normal depolarization and polarization transfer), which are measurable only with polarized target or beam. Measurements of ${D}_{nn}$ and ${K}_{nn}$ presented here are found to be in disagreement with predictions from these models.
Source: Physical Review Letters
Authors: B. Bassalleck, A. Berdoz, C. Bradtke, R. Bröders, B. Bunker, H. Dennert, H. Dutz, S. Eilerts, W. Eyrich, D. Fields, H. Fischer, G. Franklin, J. Franz, R. Gehring, R. Geyer, S. Goertz, J. Harmsen, J. Hauffe, F. H. Heinsius, D. Hertzog, T. Johansson, T. Jones, P. Khaustov, K. Kilian, P. Kingsberry, E. Kriegler, J. Lowe, A. Meier, A. Metzger, C. A. Meyer, W. Meyer, M. Moosburger, W. Oelert, K. D. Paschke, M. Plückthun, S. Pomp, B. Quinn, E. Radtke, G. Reicherz, K. Röhrich, K. Sachs, H. Schmitt, B. Schoch, T. Sefzick, F. Stinzing, R. Stotzer, R. Tayloe, St. Wirth
Language: Latvian
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W1491147038