Measurement of polarisation observables in K-s(0)Sigma(+) photoproduction off the proton
- Ewald, R.
- Anisovich, A. V.
- Bantes, B.
- Bartholomy, O.
- Bayadilov, D.
- Beck, R.
- Beloglazov, Y. A.
- Brinkmann, K. -T.
- Crede, V.
- Dutz, H.
- Elsner, D.
- Fornet-Ponse, K.
- Frommberger, F.
- Funke, Ch.
- Gridnev, A. B.
- Gutz, E.
- Hannappel, J.
- Hillert, W.
- Hoffmeister, P.
- Jaegle, I.
- Jahn, O.
- Jude, T. C.
- Junkersfeld, J.
- Kalinowsky, H.
- Kammer, S.
- Kleber, V.
- Klein, Frank
- Klein, Friedrich
- Klempt, E.
- Krusche, B.
- Lang, M.
- Löhner, H.
- Lopatin, I. V.
- Menze, D.
- Mertens, T.
- Messchendorp, J. G.
- Metag, V.
- Nanova, M.
- Nikonov, V. A.
- Novinski, D.
- Novotny, R.
- Ostrick, M.
- Pant, L.
- van Pee, H.
- Roy, A.
- Sarantsev, A. V.
- Schadmand, S.
- Schmidt, C.
- Schmieden, H.
- Schoch, B.
- Shende, S.
- Sokhoyan, V.
- Suele, A.
- Sumachev, V. V.
- Szczepanek, T.
- Thoma, U.
- Trnka, D.
- Varma, R.
- Walther, D.
- Wendel, Ch.
DOIAbstract
The reaction gamma p -> K-S(0)Sigma(+) is studied in the photon energy range from threshold. Linearly polarised photon beams from coherent bremsstrahlung enabled the first measurement of photon beam asymmetries in this reaction up to E-gamma = 1650 MeV. In addition, the recoil hyperon polarisation was determined through the asymmetry in the weak decay Sigma(+) -> p pi(0) up to E-gamma = 2250 MeV. The data are compared to partial wave analyses, and the possible impact on the interpretation of a recently observed prominent structure in the cross section near the K* thresholds is discussed. (C) 2014 The Authors. Published by Elsevier B.V.</p
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