Photoproduction of omega mesons off the proton
- Wilson, A.
- Crede, V.
- Anisovich, A. V.
- Bacelar, J. C. S.
- Bantes, B.
- Bartholomy, O.
- Bayadilov, D.
- Beck, R.
- Beloglazov, Y. A.
- Brinkmann, K. T.
- Castelijns, R.
- Dutz, H.
- Elsner, D.
- Ewald, R.
- Frommberger, F.
- Fuchs, M.
- Funke, Chr.
- Gregor, R.
- Gridnev, A.
- Gutz, E.
- Hannappel, J.
- Hillert, W.
- Hoffmeister, P.
- Horn, I.
- Jaegle, I.
- Jude, T.
- Junkersfeld, J.
- Kalinowsky, H.
- Kleber, V.
- Klein, Frank
- Klein, Friedrich
- Klempt, E.
- Kotulla, M.
- Krusche, B.
- Lang, M.
- Loehner, H.
- Lopatin, I. V.
- Lugert, S.
- Mertens, T.
- Messchendorp, J.G
- Metag, V.
- Nanova, M.
- Nikonov, V. A.
- Novinski, D.
- Novotny, R.
- Ostrick, M.
- Pant, L. M.
- van Pee, H.
- Pfeiffer, M.
- Roy, A.
- Sarantsev, A. V.
- Schmidt, C.
- Schmieden, H.
- Shende, S.
- Sokhoyan, V.
- Sparks, N.
- Suele, A.
- Sumachev, V. V.
- Szczepanek, T.
- Thoma, U.
- Trnka, D.
- Varma, R.
- Walther, D.
- Wendel, Ch.
- Wiedner, U.
DOIAbstract
The differential cross sections and unpolarized spin-density matrix elements for the reaction gamma rho -> rho omega were measured using the CBELSA/TAPS experiment for initial photon energies ranging from the reaction threshold to 2.5GeV. These observables were measured from the radiative decay of the omega meson, omega -> pi(0)gamma. The cross sections cover the full angular range and show the full extent of the t-channel forward rise. The overall shape of the angular distributions in the differential cross sections and unpolarized spin-density matrix elements are in fair agreement with previous data. In addition, for the first time, abeam of linearly-polarized tagged photons in the energy range from 1150 MeV to 1650 MeV was used to ...
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