Measurement of the beam asymmetry Sigma in pi(0)eta production off the proton with the CBELSA/TAPS experiment
- Gutz, E.
- Sokhoyan, V.
- van Pee, H.
- Anisovich, A. V.
- Bacelar, J. C. S.
- Bantes, B.
- Bartholomy, O.
- Bayadilov, D.
- Beck, R.
- Beloglazov, Y. A.
- Castelijns, R.
- Crede, V.
- Dutz, H.
- Ehmanns, A.
- Elsner, D.
- Essig, K.
- Ewald, R.
- Fabry, I.
- Fornet-Ponse, K.
- Fuchs, M.
- Funke, Ch.
- Gothe, R.
- Gregor, R.
- Gridnev, A. B.
- Hoeffgen, St.
- Hoffmeister, P.
- Horn, I.
- Jaegle, I.
- Junkersfeld, J.
- Kalinowsky, H.
- Kammer, S.
- Kleber, V.
- Klein, Friedrich
- Klein, Frank
- Klempt, E.
- Konrad, M.
- Kotulla, M.
- Krusche, B.
- Lang, M.
- Langheinrich, J.
- Loehner, H.
- Lopatin, I. V.
- Lotz, J.
- Lugert, S.
- Menze, D.
- Mertens, T.
- Messchendorp, J. G.
- Metag, V.
- Morales, C.
- Nanova, M.
- Nikonov, V. A.
- Novinsky, D.
- Novotny, R.
- Ostrick, M.
- Pant, L.
- Pfeiffer, M.
- Radkov, A.
- Sarantsev, A. V.
- Schadmand, S.
- Schmidt, Ch.
- Schmieden, H.
- Schoch, B.
- Shende, S.
- Suele, A.
- Sumachev, V. V.
- Szczepanek, T.
- Thoma, U.
- Trnka, D.
- Walther, D.
- Weinheimer, Ch.
- Wendel, Ch.
Publication date
March 2008
DOIAbstract
In photoproduction experiments, a large number of final states yielding various resonance contributions are accessible. To extract resonance parameters via partial-wave analysis not only the measurement of differential cross-sections is necessary, but also the determination of polarization observables. At the electron accelerator ELSA (Bonn) the coherent bremsstrahlung method was used to generate a linearly polarized photon beam. Using the CBELSA/TAPS detector setup, the beam asymmetry Sigma in the reaction gamma p -> p pi(0) eta was determined as a function of various masses and angles for photon energies between 970MeV and 1650MeV.</p
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